QUARTER-BRICK QUARTER-BRICK SERIES. Single Output Ultra Products. Special Features

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1 QUARTER-BRICK SERIES Embedded Power for Business-Critical Continuity QUARTER-BRICK SERIES 1 of 28 Total Power: W Total Power: -- Input Voltage: 36-75Vdc Input Voltage: -- # of Outputs: Single Output # of Outputs: -- Special Features High efficiency topology High output current Low profile, inch (7.62 mm) height Unprecedented useable output power levels Wide operating ambient temperature range, -40 C to +85 C 80% to 110% output trim Basic insulation Overvoltage and overtemperature protection Remote ON/OFF Approvals to EN VDE and UL/cUL V, 100 ms input voltage transient rated Monotonic startup behavior into normal and prebiased loads Secondary side control, no optocouplers, fast transient response Available RoHS compliant 2 year warranty The Typhoon Quarter-Brick Ultra series is a new high efficiency, open frame, isolated 200 W converter series in an industry standard quarter-brick package. This Typhoon Ultra series delivers very high output current at low voltages, and excellent useable output power for today's high-end applications. The design takes advantage of open-frame construction to provide a low mass, low thermal impedance single board design. The features an input voltage range of 36 Vdc to 75 Vdc and output voltages of 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V. The output voltage on each model is adjustable from 80% to 110% of the nominal value. Typical efficiency for the 2.5 V model is 91%. This converter also has a remote ON/OFF capability. Overcurrent and overvoltage protection features are included as standard. With full international safety approval including EN VDE and UL/cUL60950, the Quarter-Brick converter reduces compliance costs and time to market.

2 2 of 28 Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability. Absolute Maximum Ratings Input voltage - continuous V in (cont) Vdc Vin(+) - V in(-) Input voltage - peak/surge Vin (peak) Vdc Transients of 100 ms or less in duration Input voltage - remote pin Vrem (peak) Vdc Peaks of any duration Operating temperature T op C Measured at hotspot Storage temperature T storage C Output power (LQS100A48-1V5J) Output power (LQS100A48-1V8J) Output power (LQS80A48-2V5J) Output power (LQS60A48-3V3J) Output power (LQS40A48-5V0J) Pout (max) Pout (max) Pout (max) Pout (max) Pout (max) W W W W W All specifications are typical at nominal input Vin = 48 V, full rated resistive load at 25 C ambient unless otherwise specified. Input Characteristics Input voltage - operating V in (oper) Vdc Input current - no load l in 150 madc V in (min) - V in (max), enabled Input current - quiescent l in (off) 5 madc Converter disabled Inrush current (i 2 t) l inrush 0.01 A 2 s Inrush current ratio I t /I m 22 Input ripple rejection Input fuse 50 db 10 Frequency <1 khz A Slow blow/antisurge HRC recommended 200 V Rating. See Application Note 141 Turn On/Off Input voltage - turn on V in (on) Vdc Input voltage - turn off V in (off) Vdc Turn on delay - enabled, T delay ms With the Remote ON/OFF signal then power applied (power) asserted, time from when Vin V in (oper) until Vout is within total regulation band Turn on delay - power T delay ms With V in = V in (nom), then applied, then enabled (enable) band Remote ON/OFF asserted, time until Vo is within total error Rise time Trise 3 5 ms From 10% to 90%, full resistive load, no external capacitance

3 3 of 28 Signal Electrical Interface Characteristic - Signal Name Symbol Min Typ Max Units Notes and Conditions At remote ON/OFF (control) pin See Notes 1 and 2 Open collector or equivalent compatible Control pin open circuit voltage V ih V I ih = 0 μa; open circuit voltage High level input voltage V ih 2.4 V Converter guaranteed ON when control pin is greater than V ih (min) High level input current I ih 10 μa Current flowing into control pin when pin is pulled high (max. at V ih = 75 V) Acceptable high level I ih (leakage) -10 μa Acceptable leakage current from leakage current signal pin into the open collector driver (neg = from converter) Low level input voltage V ii 0.4 V Converter guaranteed off when control pin is less than V il (max) Low level input current I il (max) ma V ii = 0.0 V, maximum source current from converter with short circuit Common Protection/Control Overtemperature shutdown Tots C Hotspot temperature, threshold non-latching shutdown protection Remote sense compensation 10 % % of Vo (nom), compensation includes trim. See Application Note 141 Reliability and Service Life Mean time between failure MTBF 3,866,933 Hours Telcordia Tech. SR-332 Tamb = 25 C, Tcase = 20 C rise airflow = 400 LFM, V in = V in (nom), I out = 50% I out (max) Isolation Input to output test voltage 2250 Vdc Test duration 1 s Input to output capacitance 1200 pf Input to output resistance 10 MΩ Measured with 500 Vdc Input to output insulation system Basic

4 4 of 28 Other Specifications Switching frequency f sw 480 khz Fixed frequency (all models) Environmental Requirements Thermal performance C Hotspot temperature Altitude 3000 m Derate total max. output current by 20% 9843 ft Derate total max. output current by 20% m Derate total max. output current by 50% ft Derate total max. output current by 50% Type Parameter Reference Test Level Air temperature IEC Ab/Ad: -40 C, 16 h cold IEC Bb/Bd: dry heat +70 C, 16 h IEC Nb: Rate of -5 C/+45 C, 0.5 C/min 2 cycles, 3 h each change Relative humidity IEC C, 93% RH, 4 days 50% of samples powered Cb: damp heat, steady at 10% load and 50% unpowered state Vibration IEC axes, 5 sweeps per axis unpowered on test card Fc: sinusoidal Freq. range and displacement 5-9 Hz, 1.2 mm. Freq. range and acceleration Hz, 10 m/s 2 Shock and bump IEC bumps each of 6 directions, mounted on powered on Eb: bump test card, shock spectrum half-sine, duration EMC Electromagnetic Compatibility Phenomenon Port Standard Test level Notes and conditions Immunity: ESD Enclosure EN kv contact Level 3, (output within specification) 8 kv air Level 3, (output within specification Radiated field Enclosure EN V/m Level 3, (output within specification) X and Y axes Conducted DC power EN V Input transients DC power 100 V, With recommended Class B external filter, no load, 10 J 100 ms (output remains within ±9%)

5 5 of 28 Standards Compliance List Characteristic EN VDE UL/cUL st edition 3rd edition Safety Agency Approvals Standard Category UL/cUL60950 File Number E135734/60950 VDE File No Licence No Material Ratings Characteristic - Signal Name Flammability rating Material type Notes and Conditions UL94V-0 FR4 PCB Model Numbers Model Number Input Voltage Output Voltage Overvoltage Protection Output Current (Max.) Typical Efficiency Pinout LQS100A48-1V5J Vdc 1.5 V 1.8 V 100 A 88.5% Double P LQS100A48-1V8J Vdc 1.8 V 2.1 V 100 A 89.5% Double P LQS80A48-2V5J Vdc 2.5 V 3.0 V 80 A 91.0% Double P LQS60A48-3V3J Vdc 3.3 V 4.0 V 60 A 91.0% Double P LQS40A48-5V0J Vdc 5.0 V 6.0 V 40 A 92.0% Double P RoHS Compliance Ordering Information The J at the end of the Partnumber indicates that the Part is Pb-free (RoHS 6/6 compliant). TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please contact your local sales representative for details.

6 6 of 28 LQS100A48-1V5J Model Input Characteristics Input current - operating I in 3.53 Adc V in = V in (nom) ; I out = I out (max) ; V o = V o (nom) Input current - maximum I in (max.) 4.76 Adc V in = V in (min) ; I out = I out (max) ; V o = V o (nom), measured at converter Input Capacitor ripple current I in (ripple) 100 ma rms I out = I out (max), measured 250 ma pk-pk without standard filter. See Application Note 141 Reflected ripple current I in (refl) 4 ma rms I out = I out (max), measured 15 ma pk-pk with standard filter. See Application Note 141 Input capacitance - C input 4.3 μf Internal to converter Internal Input capacitance - C bypass 33 μf Recommended customer External bypass added capacitance, <0.7 Ω ESR LQS100A48-1V5J Model Electrical Characteristics - O/P Nominal set-point voltage Vo (nom) Vdc V in = V in (nom) ; I out = I out (nom) Total regulation band V o Vdc For all line, static load and temperature until end of life Line regulation % I out = I out (nom), V in (min) to V in (max) Load regulation % V in = V in (nom), I out (min) to I out (max) Temperature regulation 0.02 ±%/ C V in = V in (nom), I out =I out (max) Output current continuous Iout Adc Output current - short circuit I sc 30 A rms Continuous, unit auto recovers from short, V o < 100 mv Load transient response - V dynamic Peak deviation for 50% to 75% peak deviation 10 mv step load, di/dt = 100 ma/μs, 50 mv step load, di/dt = 1 A/μs Load transient response - T recovery 20 μs Settling time to within 1% of recovery output set point voltage for 50% to 75% load step External load capacitance C ext 0 40,000 μf Higher load capacitance values may be possible. Contact Artesyn Technologies for details Output voltage - noise V p-p mv pk-pk Measurement bandwidth 20 MHz V rms mv rms See Application Note 141 for test set-up

7 7 of 28 LQS100A48-1V5J Model Protection and Control Features Overvoltage setpoint V ov Vdc Non-latching. See Application Note 141 for details Overcurrent limit inception I oc Adc V o = 90% of V o (nom) Output voltage trim range 110 % Trim up (% of V o nom ) Limit output to 150 Watts 80 % Trim down (% of V o nom ) See Application Note 141 for details of trim equations and trim curves Open sense voltage 1.50 Vdc LQS100A48-1V5J Model Efficiency Efficiency h % I out = 100% l out (max), V in = V in (nom) Efficiency h 91 % I out = 50% I out (max), V in = V in (nom)

8 8 of 28 LQS100A48-1V8J Model Input Characteristics Input current - operating I in 4.19 Adc V in = V in (nom) ; I out = I out (max) ; V o = V o (nom) Input current - maximum I in (max.) 5.65 Adc V in = V in (min) ; I out = I out (max) ; V o = V o (nom), measured at converter Input Capacitor ripple current I in (ripple) 100 ma rms Iout = I out (max), measured 250 ma pk-pk without standard filter. See Application Note 141 Reflected ripple current Iin (refl) 6 ma rms I out = I out (max), measured 20 ma pk-pk with standard filter. See Application Note 141 Input capacitance - C input 4.3 µf Internal to converter Internal Input capacitance - C bypass 33 µf Recommended customer External bypass added capacitance, <0.7 Ω ESR LQS100A48-1V8J Model Electrical Characteristics - O/P Nominal set-point voltage Vo (nom) Vdc V in = V in (nom) ; I out = I out (nom) Total regulation band V o Vdc For all line, static load and temperature until end of life Line regulation % Iout = I out (nom), V in (min) to V in (max) Load regulation % Vin = V in (nom), I out (min) to I out (max) Temperature regulation 0.02 ±%/ C Vin = V in (nom), I out = I out (max) Output current continuous Iout Adc Output current - short circuit I sc 30 A rms Continuous, unit auto recovers from short, V o < 100 mv Load transient response - V dynamic Peak deviation for 50% to 75% peak deviation 20 mv step load, di/dt = 100 ma/µs, 60 mv step load, di/dt = 1 A/µs Load transient response - Tr ecovery 20 µs Settling time to within 1% of recovery output set point voltage for 50% to 75% load step External load capacitance C ext 0 40,000 µf Higher load capacitance values may be possible. Contact Artesyn Technologies for details Output voltage - noise V p-p mv pk-pk Measurement bandwidth 20 MHz V rms mv rms See Application Note 141 for test set-up

9 9 of 28 LQS100A48-1V8J Model Protection and Control Features Overvoltage setpoint V ov Vdc Non-latching. See Application Note 141 for details Overcurrent limit inception I oc Adc V o = 90% of V o (nom) Output voltage trim range 110 % Trim up (% of Vo nom ) Limit output to 180 Watts 80 % Trim down (% of Vo nom ) See Application Note 141 for details of trim equations and trim curves Open sense voltage 1.80 Vdc LQS100A48-1V8J Model Efficiency Efficiency h % Iout = 100% l out (max), V in = V in (nom) Efficiency h 91.5 % Iout = 50% I out (max), V in = V in (nom)

10 10 of 28 LQS80A48-2V5J Model Input Characteristics Input current - operating I in 4.58 Adc V in = V in (nom) ; I out = I out (max) ; V o = V o (nom) Input current - maximum I in (max.) 6.20 Adc V in = V in (min) ; I out = I out (max) ; V o = V o (nom), measured at converter Input Capacitor ripple current I in (ripple) 100 ma rms I out = I out (max), measured 250 ma pk-pk without standard filter. See Application Note 141 Reflected ripple current I in (refl) 4 ma rms I out = I out (max), measured 15 ma pk-pk with standard filter. See Application Note 141 Input capacitance - C input 4.3 μf Internal to converter Internal Input capacitance - C bypass 33 μf Recommended customer External bypass added capacitance, <0.7 Ω ESR LQS80A48-2V5J Model Electrical Characteristics - O/P Nominal set-point voltage Vo (nom) Vdc V in = V in (nom) ; I out = I out (nom) Total regulation band V o Vdc For all line, static load and temperature until end of life Line regulation % I out = I out (nom), V in (min) to V in (max) Load regulation % V in = V in (nom), I out (min) to I out (max) Temperature regulation 0.02 ±%/ C V in = V in (nom), I out =I out (max) Output current continuous Iout 0 80 Adc Output current - short circuit I sc 35 A rms Continuous, unit auto recovers from short, V o < 100mV Load transient response - V dynamic Peak deviation for 50% to 75% peak deviation 10 mv step load, di/dt = 100 ma/μs, 70 mv step load, di/dt = 1 A/μs Load transient response - T recovery 20 μs Settling time to within 1% of recovery output set point voltage for 50% to 75% load step External load capacitance C ext 0 20,000 μf Higher load capacitance values may be possible. Contact Artesyn Technologies for details Output voltage - noise V p-p mv pk-pk Measurement bandwidth 20 MHz V rms mv rms See Application Note 141 for test set-up

11 11 of 28 LQS80A48-2V5J Model Protection and Control Features Overvoltage setpoint V ov Vdc Non-latching. See Application Note 141 for details Overcurrent limit inception I oc Adc V o = 90% of V o (nom) Output voltage trim range 110 % Trim up (% of V o nom ) Limit output to 200 Watts 80 % Trim down (% of V o nom ) See Application Note 141 for details of trim equations and trim curves Open sense voltage 2.5 Vdc LQS80A48-2V5J Model Efficiency Efficiency h % I out = 100% l out (max), V in = V in (nom) Efficiency h 92 % I out = 50% I out (max), V in = V in (nom)

12 12 of 28 LQS60A48-3V3J Model Input Characteristics Input current - operating I in 4.53 Adc V in = V in (nom) ; I out = I out (max) ; V o = V o (nom) Input current - maximum I in (max.) 6.20 Adc V in = V in (min) ; I out = I out (max) ; V o = V o (nom), measured at converter Input Capacitor ripple current I in (ripple) 100 ma rms I out = I out (max), measured 250 ma pk-pk without standard filter. See Application Note 141 Reflected ripple current I in (refl) 4 ma rms I out = I out (max), measured 15 ma pk-pk with standard filter. See Application Note 141 Input capacitance - C input 4.3 μf Internal to converter Internal Input capacitance - C bypass 33 μf Recommended customer External bypass added capacitance, <0.7 Ω ESR LQS60A48-3V3J Model Electrical Characteristics - O/P Nominal set-point voltage Vo (nom) Vdc V in = V in (nom) ; I out = I out (nom) Total regulation band V o Vdc For all line, static load and temperature until end of life Line regulation % I out = I out (nom), V in (min) to V in (max) Load regulation % V in = V in (nom), I out (min) to I out (max) Temperature regulation 0.02 ±%/ C V in = V in (nom), I out =I out (max) Output current continuous Iout 0 60 Adc Output current - short circuit I sc 30 A rms Continuous, unit auto recovers from short, V o < 100 mv Load transient response - V dynamic Peak deviation for 50% to 75% peak deviation 15 mv step load, di/dt = 100 ma/μs, 70 mv step load, di/dt = 1 A/μs Load transient response - T recovery 20 μs Settling time to within 1% of recovery output set point voltage for 50% to 75% load step External load capacitance C ext 0 10,000 μf Higher load capacitance values may be possible. Contact Artesyn Technologies for details Output voltage - noise V p-p mv pk-pk Measurement bandwidth 20 MHz V rms mv rms See Application Note 141 for test set-up

13 13 of 28 LQS60A48-3V3J Model Protection and Control Features Overvoltage setpoint V ov Vdc Non-latching. See Application Note 141 for details Overcurrent limit inception I oc Adc V o = 90% of V o (nom) Output voltage trim range 110 % Trim up (% of V o nom ) Limit output to 198 Watts 80 % Trim down (% of V o nom ) See Application Note 141 for details of trim equations and trim curves Open sense voltage 3.30 Vdc LQS60A48-3V3J Model Efficiency Efficiency h % I out = 100% l out (max), V in = V in (nom) Efficiency h 92.5 % I out = 50% I out (max), V in = V in (nom)

14 14 of 28 LQS40A48-5V0J Model Input Characteristics Input current - operating I in 4.53 Adc V in = V in (nom) ; I out = I out (max) ; V o = V o (nom) Input current - maximum I in (max.) 6.20 Adc V in = V in (min) ; I out = I out (max) ; V o = V o (nom), measured at converter Input Capacitor ripple current I in (ripple) 100 ma rms I out = I out (max), measured 250 ma pk-pk without standard filter. See Application Note 141 Reflected ripple current I in (refl) 4 ma rms I out = I out (max), measured 15 ma pk-pk with standard filter. See Application Note 141 Input capacitance - C input 4.3 μf Internal to converter Internal Input capacitance - C bypass 33 μf Recommended customer External bypass added capacitance, <0.7 Ω ESR LQS40A48-5V0J Model Electrical Characteristics - O/P Nominal set-point voltage Vo (nom) Vdc V in = V in (nom) ; I out = I out (nom) Total regulation band V o Vdc For all line, static load and temperature until end of life Line regulation % I out = I out (nom), V in (min) to V in (max) Load regulation % V in = V in (nom), I out (min) to I out (max) Temperature regulation 0.02 ±%/ C V in = V in (nom), I out =I out (max) Output current continuous Iout 0 40 Adc Output current - short circuit I sc 15 A rms Continuous, unit auto recovers from short, V o < 100 mv Load transient response - V dynamic Peak deviation for 50% to 75% peak deviation 15 mv step load, di/dt = 100 ma/μs, 70 mv step load, di/dt = 1 A/μs Load transient response - T recovery 20 μs Settling time to within 1% of recovery output set point voltage for 50% to 75% load step External load capacitance C ext 0 3,300 μf Higher load capacitance values may be possible. Contact Artesyn Technologies for details Output voltage - noise V p-p mv pk-pk Measurement bandwidth 20 MHz V rms mv rms See Application Note 141 for test set-up

15 15 of 28 LQS40A48-5V0J Model Protection and Control Features Overvoltage setpoint V ov Vdc Non-latching. See Application Note 141 for details Overcurrent limit inception I oc Adc V o = 90% of V o (nom) Output voltage trim range 110 % Trim up (% of V o nom ) Limit output to 200 Watts 80 % Trim down (% of V o nom ) See Application Note 141 for details of trim equations and trim curves Open sense voltage 5 Vdc LQS40A48-5V0J Model Efficiency Efficiency h % I out = 100% l out (max), V in = V in (nom) Efficiency h 93 % I out = 50% I out (max), V in = V in (nom)

16 16 of 28 LQS100A48-1V5J Model OUTPUT CURRENT (A) m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) EFFICIENCY (%) AMBIENT TEMPERATURE (ºC) INPUT VOLTAGE (V) Figure 1: Derating Curve with Forced Air Figure 2: Efficiency vs. Line 100 EFFICIENCY (%) Vin 48 Vin 75 Vin OUTPUT CURRENT (A) Figure 3: Efficiency vs. Load Figure 4: Turn-On Characteristic Top (Vout), Bottom (Vin) Figure 5: Control On/Off Characteristic Top (Vout), Bottom (Remote ON/OFF) Figure 6: Typical Transient Response 75-50% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout)

17 17 of 28 LQS100A48-1V5J Model Figure 7: Typical Transient Response 50-75% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout) Figure 8: Typical Output Ripple and Noise Measurement Figure 9: Current Limit Characteristic Figure 10: Turn-Off Characteristic

18 18 of 28 LQS100A48-1V8J Model OUTPUT CURRENT (A) m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) EFFICIENCY (%) AMBIENT TEMPERATURE (ºC) INPUT VOLTAGE (V) Figure 11: Derating Curve with Forced Air Figure 12: Efficiency vs. Line EFFICIENCY (%) Vin 48 Vin 75 Vin OUTPUT CURRENT (A) Figure 13: Efficiency vs. Load Figure 14: Turn-On Characteristic, Top (Vout), Bottom (Vin) Figure 15: Control On/Off Characteristic, Top (Vout), Bottom (Remote ON/OFF) Figure 16: Typical Transient Response 75-50% Step Load Change (1 A/µs), Top (Vout), Bottom (Iout)

19 19 of 28 LQS100A48-1V8J Model Figure 17: Typical Transient Response 50-75% Step Load Change (1 A/µs), Top (Vout), Bottom (Iout) Figure 18: Typical Output Ripple and Noise Measurement Figure 19: Current Limit Characteristic Figure 20: Turn-Off Characteristic

20 20 of 28 LQS80A48-2V5J Model OUTPUT CURRENT (A) m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) EFFICIENCY (%) AMBIENT TEMPERATURE (ºC) INPUT VOLTAGE (V) Figure 21: Derating Curve with Forced Air Figure 22: Efficiency vs. Line 100 EFFICIENCY (%) Vin 48 Vin 75 Vin OUTPUT CURRENT (A) Figure 23: Efficiency vs. Load Figure 24: Turn-On Characteristic Top (Vout), Bottom (Vin) Figure 25: Control On/Off Characteristic Top (Vout), Bottom (Remote ON/OFF) Figure 26: Typical Transient Response 75-50% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout)

21 21 of 28 LQS80A48-2V5J Model Figure 27: Typical Transient Response 50-75% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout) Figure 28: Typical Output Ripple and Noise Measurement Figure 29: Current Limit Characteristic Figure 30: Turn-Off Characteristic

22 22 of 28 LQS60A48-3V3J Model OUTPUT CURRENT (A) m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) EFFICIENCY (%) AMBIENT TEMPERATURE (ºC) INPUT VOLTAGE (V) Figure 31: Derating Curve with Forced Air Figure 32: Efficiency vs. Line 100 EFFICIENCY (%) Vin 48 Vin 75 Vin OUTPUT CURRENT (A) Figure 33: Efficiency vs. Load Figure 34: Turn-On Characteristic Top (Vout), Bottom (Vin) Figure 35: Control On/Off Characteristic Top (Vout), Bottom (Remote ON/OFF) Figure 36: Typical Transient Response 75-50% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout)

23 23 of 28 LQS60A48-3V3J Model Figure 37: Typical Transient Response 50-75% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout) Figure 38: Typical Output Ripple and Noise Measurement Figure 39: Current Limit Characteristic Figure 40: Turn-Off Characteristic

24 24 of 28 LQS40A48-5V0J Model OUTPUT CURRENT (A) m/s (400 LFM) 1.5 m/s (300 LFM) 1 m/s (200 LFM) 0.5 m/s (100 LFM) EFFICIENCY (%) AMBIENT TEMPERATURE (ºC) INPUT VOLTAGE (V) Figure 41: Derating Curve with Forced Air Figure 42: Efficiency vs. Line 100 EFFICIENCY (%) Vin 48 Vin 75 Vin OUTPUT CURRENT (A) Figure 43: Efficiency vs. Load Figure 44: Turn-On Characteristic Top (Vout), Bottom (Vin) Figure 45: Control On/Off Characteristic Top (Vout), Bottom (Remote ON/OFF) Figure 46: Typical Transient Response 75-50% Step Load Change(1 A/μs), Top (Vout), Bottom (Iout)

25 25 of 28 LQS40A48-5V0J Model Figure 47: Typical Transient Response 50-75% Step Load Change (1 A/μs), Top (Vout), Bottom (Iout) Figure 48: Typical Output Ripple and Noise Measurement Figure 49: Current Limit Characteristic Figure 50: Turn-Off Characteristic

26 26 of (58.4) 0.15 (3.8) (50.80) (3.00) ø ±0.002 (ø1.02 ±0.05) (6 pls) 1.45 (36.8) (7.62) (7.62) TOP VIEW (3.81) (3.81) ±0.020 (18.42 ±0.51) ø0.062 ±0.002 (ø1.57 ±0.05) (4 pls) CLEARANCE (See Option Table) 0.15 (3.8) 2.30 (58.4) (50.80) (3.00) (4.78) HEIGHT (See Option Table) 1.45 (36.8) (7.62) ±0.020 (18.42 ±0.51) (7.62) ø ±0.008 (ø1.47 ±0.02) (6 pls) Ref IPC-2222 Level B RECOMMENDED HOLE PATTERN (3.81) (3.81) ø ±0.003 (ø1.88 ±0.08) (4 pls) Ref IPC-2222 Level B Dimensions in Inches (mm) Tolerances (unless otherwise specified) x.xx ±0.02 (x.x ±0.5) x.xxx ±0.010 (x.xx ±0.25) Pin Connections Pin No. Function 1 +Vin 2 ON/OFF 3 -Vin 4 -Vout 5 -Vout 6 -Sense 7 Trim 8 +Sense 9 +Vout 10 +Vout Dimension Options Option Clearance Height ±0.016 (0.41) (0.56) (0.76) A (0.76)) (7.62) E (1.78) (8.64) Figure 51 - Mechanical Drawing, Dimension Options and Pinout Table for The Double P Pinout

27 27 of 28 Note 1 The remote ON/OFF pin is referenced to Vin-. Note 2 Active low Remote ON/OFF is available. Standard product is active high. When ordering active low parts, designate with the Suffix R e.g. LQS100A48-1V5JRAJ. See Application Note 141 for detailed information regarding ON/OFF control implementation. CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is accessible only to trained personnel. The user must provide the recommended fusing in order to comply with safety approvals.

28 QUARTER-BRICK SERIES Embedded Power for Business-Critical Continuity Americas 5810 Van Allen Way Carlsbad, CA USA Telephone: Facsimile: of 28 Europe (UK) Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) Facsimile: +44 (0) Asia (HK) 16th - 17th Floors, Lu Plaza 2 Wing Yip Street, Kwun Tong Kowloon, Hong Kong Telephone: Facsimile: For global contact, visit: technicalsupport@astec.com technicalsupport@artesyn.com While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Emerson Network Power. The global leader in enabling business-critical continuity. AC Power Connectivity DC Power Embedded Power Inbound Power Integrated Cabinet Solutions Outside Plant Precision Cooling Site Monitoring and Services EmersonNetworkPower. com Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co Emerson Electric Co.