NON-ISOLATED DC/DC CONVERTERS
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- Laureen Mitchell
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1 S7AH-05A / V7AH-05A Series Nonisolated Compact, low profile surface mount package Fixed frequency High efficiency means less power dissipation Excellent thermal performance Optimized for cost Remote on/off Undervoltage lockout UVLO) Over current and short circuit protection Description The Bel S7AH-05A and V7AH-05A modules are a series of non-isolated, step down DC/DC power converters that operate from a nominal 12V source. These converters are available in a range of output voltages from to. They are packaged in a compact, overmolded package rated at 5A. Optional lead forming provides a vertical mount product for minimal footprint or a surface mount option for a very low profile. Standard features include remote on/off, over current and short circuit protection, output voltage adjust and industrial temperature ranges -40 to +85 C). The output is closely regulated and the efficiency is typically 91.5% at full load. These products may be used almost anywhere low voltage silicon is employed and a 12V source is available. Typical applications include file servers, routers, line cards and other computing and communications equipment. Applications Distributed power architectures Data networking equipment Telecommunications Computers and peripherals Part Number Selection Output Voltage Input Voltage Max. Output Current Max. Output Power Typical Efficiency Part Number Surface Mount Part Number Vertical Mount 12V 5A 25W 91.5% S7AH-05A0 V7AH-05A0 12V 5A 25W 91.5% S 7AH-05AF* V7AH-05AF* 12V 5A 16.5W 88% S7AH-05A0 V7AH-05A0 12V 5A 12.5W 86% S7AH-05A2 V7AH-05A2 12V 5A 9.0W 8% S7AH-05A1 V7AH-05A1 12V 5A 7.5W 81% S7AH-05A1 V7AH-05A1 12V 5A 6.0W 78% S7AH-05A120 V7AH-05A120 12V 5A 5.0W 76% S7AH-05A0 V7AH-05A0 12V 5A 4.5W 7% S7AH-05A090 V7AH-05A ~.6V 12V 5A 18.2W 88% S7AH-05A1A0 V7AH-05A1A0 0.9 ~.6V 12V 5A 18.2W 88% S 7AH-05A1AF* V7AH-05A1AF* * F indicates fast start up. page 1
2 Absolute Maximum Ratings Parameter Symbol Min Typical Max Unit Continuous Input Voltage Output Enable Terminal Voltage Ambient Temperature Storage Temperature Vin V Vouten V Tamb C tor C Note: Use beyond the maximum ratings may cause a reliability degradation of the DC/DC converter or may permanently damage the device. Input Specifications Parameter Module Symbol Min Typical Max Units Operating Input Voltage Vin V Input Current Iin A No Load Input Current Remote Off Input Current 1 Input Reflected Ripple Current ma ma ma rms 1 Input Reflected Ripple Current P-P) 1 mapk I 2 t Inrush Current Transient A 2 s Turn On Voltage Threshold Turn Off Voltage Threshold 9. 8 V V Note: Input capacitance one 270µF/16V, ESR = Ω max at 25 C. 1. With simulated source impedance of 0nH, 5Hz to 20MHz. page 2
3 Output Specifications Parameter Module Symbol Min Typical Max Units 1 Output Voltage Set Point Vout V Load Regulation Line Regulation Regulation Over Temperature -40 to 85 C) Total Output Voltage Regulation -40 to 85 C) Note: specifications are typical at nominal input, full load at 25 C unless otherwise stated. 1. Vin = 12V, Iout = full load, Ta = 25 C. page
4 Output Specifications Parameter Module Symbol Min Typical Max Units 2 Output Ripple and Noise p-p 2 Output Ripple and Noise rms Output Current Range Output DC Current Limit Iout 0 5 A Ioutlim A Short Circuit Surge Ioutsurge A 2 s Turn on Ton ms Turn on - Ton 20 ms Overshoot at Turn On 0 % Overshoot at Turn On % Output Capacitance Cout µ F Note: specifications are typical at nominal input, full load at 25 C unless otherwise stated MHz, 22µF/6.V X5R ceramic cap on output µf/v X5R ceramic cap for module).. For fast start up modules. page 4
5 Output Specifications Parameter Module Symbol Min Typical Max Units Transient Response V % to 0% of Max Load V 0% to % of Max Load Transient Response V % to 0% of Max Load 0 1 V 0% to % of Max Load 0 1 Transient Response V % to 0% of Max Load 0 1 V 0% to % of Max Load 0 1 Transient Response V % to 0% of Max Load 0 1 V 0% to % of Max Load 0 1 Note: specifications are typical at nominal input, full load at 25 C unless otherwise stated.. di/dt = 0.5A/uS, Ta = 25 C. ~ modules with 220µF/6.V Tant cap module with 0µF/V tant cap). page 5
6 Output Specifications Parameter Module Symbol Min Typical Max Units Transient Response V % to 0% of Max Load 120 V 0% to % of Max Load 120 Transient Response V % to 0% of Max Load 120 V 0% to % of Max Load 120 Transient Response V % to 0% of Max Load 120 V 0% to % of Max Load 120 Transient Response V % to 0% of Max Load 120 V 0% to % of Max Load 120 Note: specifications are typical at nominal input, full load at 25 C unless otherwise stated.. di/dt = 0.5A/uS, Ta = 25 C. ~ modules with 220µF/6.V Tant cap module with 0µF/V tant cap). page 6
7 General Specifications Parameter Module Symbol Min Typical Max Units 1 Efficiency η % Switching Frequency ~ Fsw khz Output Voltage Trim Range 2 40 % Wide Trim) Output Voltage Trim Range 2 Narrow Trim) % Weight 4. 9 g 1. Vin=12V, full load and Ta=25 C. 2. See graphs on pages Control Specifications Parameter Module Symbol Min Typical Max Units Remote On/Off Vouten V Signal Low Unit Off) Signal High Unit On) V V. With remote on/off pin 1 open, the module is on. page 7
8 Efficiency Data MODULE MODULE 0% 95% EFFICIENCY 95% 90% 85% % 75% 70% OUTPUT CURRENT EFFICIENCY 90% 85% % 75% 70% OUTPUT CURRENT MODULE MODULE EFFICIENCY 95% 90% 85% % 75% 70% 65% OUTPUT CURRENT EFFICIENCY 90% 85% % 75% 70% 65% 60% OUTPUT CURRENT page 8
9 Efficiency Data MODULE MODULE EFFICIENCY 90% 85% % 75% 70% 65% 60% OUTPUT CURRENT EFFICIENCY 85% % 75% 70% 65% 60% 55% % OUTPUT CURRENT MODULE MODULE EFFICIENCY 85% % 75% 70% 65% 60% 55% % EFFICIENCY 85% % 75% 70% 65% 60% 55% % OUTPUT CURRENT OUTPUT CURRENT page 9
10 Ripple and Noise ~ modules with 22µF/6.V X5R ceramic cap at the output. module with µf/v X5R ceramic cap at the output. Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C page
11 Ripple and Noise ~ modules with 22µF/6.V X5R ceramic cap at the output. module with µf/v X5R ceramic cap at the output. Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C Ripple and noise at full load and 12Vdc input, dc output and Ta=25 C page 11
12 Transient Response Transient response: di/dt = 0.5A/µS, ~ modules with 220µF/6.V tant cap, module with 0µF/V tant cap. Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C page 12
13 Transient Response Transient response: di/dt = 0.5A/µS, ~ modules with 220µF/6.V tant cap, module with 0µF/V tant cap. Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C page 1
14 Transient Response Transient response: di/dt = 0.5A/µS, ~ modules with 220µF/6.V tant cap, module with 0µF/V tant cap. Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C page 14
15 Transient Response Transient response: di/dt = 0.5A/µS, ~ modules with 220µF/6.V tant cap, module with 0µF/V tant cap. Vout= % to 0% load transients at 12V input and Ta=25 C Vout= 0% to % load transients at 12V input and Ta=25 C Thermal Considerations Vin = 12V x7ah-05a1a0 0.9 ~ page 15
16 Thermal Considerations x7ah-05a1a0 ~ x7ah-05a0 page 16
17 Output Voltage Set-Point Adjustment Trim Down Test Circuit Trim Up Test Circuit Vo Vo Trim Trim Gnd Gnd x7ah-05a1a0 Trim Resistor Calculation Rtrim up = ) Kohm page 17
18 Output Voltage Set-Point Adjustment x7ah-05a090 Trim Resistor Calculation Rtrim up = ) Kohm page 18
19 Output Voltage Set-Point Adjustment x7ah-05a0 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up =.712.8) Kohm page 19
20 Output Voltage Set-Point Adjustment x7ah-05a120 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up =.712 ) Kohm page 20
21 Output Voltage Set-Point Adjustment x7ah-05a1 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up = ) Kohm page 21
22 Output Voltage Set-Point Adjustment x7ah-05a1 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up = ) Kohm page 22
23 Output Voltage Set-Point Adjustment x7ah-05a2 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up = ) Kohm page 2
24 Output Voltage Set-Point Adjustment x7ah-05a0 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up =.712 ) Kohm page 24
25 Output Voltage Set-Point Adjustment x7ah-05a0 Trim Resistor Calculation Rtrim down = ) Kohm Rtrim up = ) Kohm page 25
26 Mechanical S7AH-05A [.16] Suggested PCB Pad Layout [1.65] 0.60 [15.24] 0.0 [1.27] [21.72] 0.1 [2.79] 0.70 [17.78] 0.0 [2.54] R0.015 [R0.8] typ R0.008 [R0.20] typ [0.0] [1.27] 0.0 [8.1] [2.54] [0.51] x [.16] 0.7 [19.81] [0.] [1.40] 2x [2.29] 2x Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.1] unless otherwise noted. Pin Function Remote On/Off 2 +Vin Ground 4 +Vo 5 Trim 6 No Connection No Connection page 26
27 Mechanical V7AH-05A [17.78] [15.24] 0.0 [1.27] [6.7] min 0.0 [1.27] 0.0 [2.54] [.16] [0.51] 0.08 [7.82] Dimensions are in inches [millimeters]. Standard dimension tolerance is ±0.005 [0.1] unless otherwise noted. Pin Function 1 Remote On/Off 2 +Vin Ground 4 +Vo 5 Trim CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 0702 Tel Fax FAR EAST Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel Fax EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel Fax page 27
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FEATURES Smallest Encapsulated 20W! Package Size 1.0 x1.0 x0.4 Ultra-wide 4:1 Input Range Very high Efficiency up to % Operating Temp. Range - C to +85 C Output Voltage Trimmable I/O-isolation Voltage
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Model 1.8V Units Parameter Output Voltage Setpoint 1.78 1.82 Vdc Line/Load Regulation Max 0.1% / 0.2% % Vo Output total regulation 1.75 1.85 Vdc Output adjust (note 4) 90-110 %Vo,nom Remote-sense Comp.
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ISOLATED DC-DC CONVERTER CEB75 SERIES APPLICATION NOTE Approved By: Department Approved By Checked By Written By Enoch Louis Joyce Research and Development Department Danny Quality Assurance Department
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More informationDelphi ND Series Non-Isolated Point of Load
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More informationTBD. Delphi E36SR Series DC/DC Power Modules: 18~60 in, 12V/4A out, 48W FEATURES OPTIONS APPLICATIONS
FEATURES High efficiency: 91% @ 12V/4A Size: 58.4x22.8x8.73mm (2.30 x0.90 x0.34 ) Standard footprint Industry standard pin out TBD Fixed frequency operation Input UVLO, Output OCP, OVP, OTP 1500V isolation
More informationDESCRIPTION. Inhibit On/Off 4. Figure 1. Connection Diagram
DESCRIPTION The MPDTH series non-isolated DC/DC power modules are small in size but big on performance and flexibility. Their high output current, compact footprint and industry-leading features offer
More informationDelphi NE Series Non-Isolated Point of Load
FEATURES High Efficiency: 94.% @ 12Vin, 5V/2A out Size: Vertical: 3.5x15.5x12.mm (1.2 x.61 x.47 ) Horizontal: 3.5x15.5x12.9mm (1.2 x.61 x.51 ) Wide input range: 4.5V~13.8V Output voltage programmable from.59vdc
More informationElectrical Specifications
Series 0 Watts C-Class Non-Isolated SXX06E Rev. 08.0.06 Page of 2 of Total Power: 0 Watts Input Voltage: 3-3.8 Vdc No. of s: Single Special Features 0 A current rating Adjustable output voltage: 0.9 -.
More informationH80SV12017 * * FEATURES. Delphi Series H80SV, half Brick Family DC/DC Power Modules: 16.8~137.5 Vin, 54/48/24/15/12Vout,200W APPLICATIONS
H80SV12017 200W DC/DC Power Modules Delphi Series H80SV, half Brick Family DC/DC Power Modules: 16.8~137.5 Vin, 54/48/24/15/12Vout,200W The H80SV series Half-Brick is isolated 200W DC/DC converters with
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Automation Datacom IPC Industry Measurement Telecom Automobile Boat Charger Medical PV Railway PART NUMBER STRUCTURE FED30-48 S 05 - N HC Series Name Input Output Output Remote Control Assembly Option
More informationNotes: Add G suffix at the end of the model number to indicate Tray Packaging.
SLIN12F1Ax RoHS Compliant Rev.A Features Wide Input Voltage Range Over Temperature Protection Output Voltage Programmable Output Over Current Protection Fixed Switching Frequency Ability to Sink and Source
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MI2000ERW Miniature 1 x 1 20W, Ultra-Wide 2:1 Input DC/DC Con vert ers Key Features: 20W Output Power 2:1 Input Voltage Range Miniature 1 x 1 Case 1,500 VDC Isolation Meets CISPR 32/EN 55032 High Efficiency
More informationISOLATED DC-DC Converter EC4A-E SERIES APPLICATION NOTE
ISOLATED DC-DC Converter EC4A-E SERIES APPLICATION NOTE Approved By: Department Approved By Checked By Written By Enoch Eunice Joyce Research and Development Department Danny Jack Benny Quality Assurance
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Data Sheet SE014S110 Power Module; dc-dc Converter: Features The SE014S110 Power Module uses advanced, surface-mount technology and delivers high-quality, compact, dc-dc conversion at an economical price.
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FEATURES Efficiency up to 89% Wide input range, 9V-36V Package with Industry Standard Pinout Package Dimension: 25.4 x25.4 x10.2mm (1.0 x1.0 x0.40 )(No HSK) Over voltage protection, hiccup mode Over current
More informationHP2303. High Efficiency DC\DC Power Module. 8.4 mm mm mm FEATURES: GENERAL DESCRIPTION: APPLICATIONS:
FEATURES: High Power Density Power Module Standard DOSA footprint Maximum Load:12A Input Voltage Range from 4.5V to 16.0V Output Voltage Range from 0.6V to 5.5V 97% Peak Efficiency Voltage Mode Control
More informationeatures Descripti Unionn ~ 5.5V 3A for each channel Applications Non-isolated MQ7221A 15Vdc and dc output. each outpu protection etc for V OUT2 TRIM1
Applications Workstations, servers Desktop computers DSP applications Distributed power architectures Telecommunications equipment Data communications equipment Wireless communications equipment Descripti
More informationCV SERIES. 1.8 to 45 Watts VDC, VDC, 10-30VDC Input Ranges Adjustable Output Voltage Non-Isolated DC/DC Converters
DATASHEET CV SERIES 2.-.VDC, 4.-4VDC, 0-30VDC Input Ranges FEATURES Output Current up to 3A Output Power Range 2.-.VDC, 4.-4VDC, and 0-30VDC Input Voltage Ranges High Efficiency - 9% at 2VDC and Full Load
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0 Watts xxx Series Wide 4: Input Range Single Output Industry Standard /4 Brick -40 C to +0 C Operation 0 VDC Isolation Output Trim ±0% Remote On/Off Year Warranty Dimensions: QSC0:. x.4 x 0. (.9 x. x.
More informationDelphi D12S300-1 Non-Isolated Point of Load
FEATURES High Efficiency: 94% @ 12Vin, 5.V/6A out Wide input range: 4.5V~13.8V Output voltage programmable from.6vdc to 5.Vdc via external resistors No minimum load required Fixed frequency operation Input
More informationCool Power Technologies
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The Products: Y-Series Applications Intermediate Bus Architectures Telecommunications Data communications Distributed Power Architectures Servers, workstations Benefits High efficiency no heat sink required
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Model List Model Number Input Voltage (Range) Output Voltage Output Current Input Current (typ input voltage) Load Regulation Maxcapacitive Load (Cap ESR>=1mohm;Full Efficiency (typ.) load;5%overshoot
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More informationFor more information, please visit the product page. input voltage 1 range. output voltage
date 9/12/218 page 1 of 1 SERIES: V78E--SMT DESCRIPTION: NON-ISOLATED DC SWITCHING REGULATOR FEATURES 1 A of output current efficiency up to SMT package industrial operating temp -~+ C designed to meet
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More information0.8V Vin Single output
SIL15E-12V SERIES 0.8V - 3.63Vin Single output 15A Current rating Input voltage range: 10.0V - 14.0V Output voltage range: 0.8V - 3.63V Ultra high efficiency: 94% @ 12Vin and 3.3Vout Extremely low internal
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Automation Datacom IPC Industry Measurement Telecom Automobile Boat Charger Medical PV Railway PART NUMBER STRUCTURE FED30-48 S 05 W - N HC Series Name Input Output Output Input Remote Control Assembly
More informationEfficiency (typ.) (Range) Load. Output Current Input Current Reflected Ripple
FEATURES Highest Power Density 1" x 1" x 0.4" Shielded Metal Package Ultra Wide 4:1 Input Range Excellent Efficiency up to % Operating Temp. Range - C to + C Optional Heatsink I/O-isolation Voltage 10VDC
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