UNISONIC TECHNOLOGIES CO., LTD 1.5A, VERY LOW DROP VOLTAGE REGULATORS DESCRIPTION As the UTC linear integrated LDO, the UTC M2915A/B shows a high current, high accuracy, low-dropout voltage. The features are: 4mV dropout voltage, very low ground current. Cause the series have been designed for high current loads, so they are also used in lower current, extremely low dropout-critical systems (in which their tiny dropout voltage and ground current values are important attributes). FEATURES * Very low dropout voltage : typ..4@i OUT =1.5A * Output current guaranteed 1.5A * Fixed and adjustable output voltage * Thermal limit and Internal current * Logic controlled electronic shutdown available * Over voltage protection ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing M2915AL-xx-TN4-R M2915AG-xx-TN4-R TO-252-4 Tape Reel M2915BL-xx-TN4-R M2915BG-xx-TN4-R TO-252-4 Tape Reel M2915AL-xx-TN5-R M2915AG-xx-TN5-R TO-252-5 Tape Reel M2915BL-xx-TN5-R M2915BG-xx-TN5-R TO-252-5 Tape Reel 1 of 9 Copyright 212 Unisonic Technologies Co., Ltd
MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-252-4 TO-252-5 5 :5.V AD :ADJ PIN CONFIGURATION PIN DESCRIPTIONS PIN NO. PIN NAME PIN FUNCTION 1 INH Inhibit Function Input 2 V IN Input voltage 3 GND GND 4 V OUT Output Voltage 5 ADJ/NC Adjustable Version Input /Not connected for fixed version UNISONIC TECHNOLOGIES CO., LTD 2 of 9
BLOCK DIAGRAM Adjutable Version V IN 2 Dump Protection Current Limit INH 1 Start-Up POWER 4 V OUT Thermal Protection Voltage Reference + ADJ 5-3 GND Fixed Version V IN 2 Dump Protection Current Limit INH 1 Start-Up POWER 4 V OUT Thermal Protection Voltage Reference + NC 5-3 GND UNISONIC TECHNOLOGIES CO., LTD 3 of 9
ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNITS DC Input Voltage V IN 3 V DC Output Voltage V OUT -.3 ~ +2 V Inhibit Input Voltage V INH -.3 ~ +2 V Over Voltage Protection M2915A 14 V OVP M2915B 35 V Output current I OUT Internally Limited ma Power Dissipation P D Internally Limited mw Junction Temperature T J +15 C Operating Temperature T OPR -4 ~ +85 C Storage Temperature T STG -55 ~ +15 C Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θ JA 1 C/W Junction to Case θ JC 8 C/W ELECTRICAL CHARACTERISTICS (I OUT =1mA, T J =25 C, V INH =2V (Note 2), C I =.33μF, C O =1μF, unless otherwise specified) M2915-5.V (V IN =7.V) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT V IN =6V~1.5V, I OUT =1mA~1.5A M2915A 4.9 5. 5.1 V Output Voltage V OUT V IN =6V~1.5V, I OUT =1mA~1.5A V IN =3V, I OUT =1mA~1mA M2915B 4.95 5. 5.5 V Load Regulation ΔVOUT VOUT I OUT =1mA~1.5A.2 1. % Line Regulation ΔVOUT V IN =6V ~ 13V M2915A VOUT V IN =6V ~ 3V M2915B.6.5 % Supply Voltage Rejection SVR f=12hz, V IN =7±1V, I OUT =.75A (Note 1) 49 64 db I OUT =25mA, T J =-4~125 C (Note 3).1 V Dropout Voltage V D I OUT =.75A, T J =-4~125 C (Note 3).2 V I OUT =1.5A, T J =-4~125 C (Note 3).4.7 V I OUT =.75A, T J =-4~125 C 15 4 ma I OUT =1.5A, T J =-4~125 C 3 8 ma Quiescent Current I Q V IN =13V,V INH =GND,T J =-4~125 C M2915A.13.18 ma V IN =3V,V INH =GND,T J =-4~125 C M2915B Short Circuit Current I SC V IN -V OUT =5.5V 2.2 A Control Input Logic Low V IL OFF MODE (Note 2), T J =-4~125 C.8 V Control Input Logic High V IH ON MODE (Note 2), T J =-4~125 C 2 V Control Input Current I INH V INH =13V, T J =-4~125 C 5 1 μa Output Noise Voltage e N B P =1Hz~1KHz, I OUT =1mA 2 μv RMS Thermal Shutdown T SHDN 15 C UNISONIC TECHNOLOGIES CO., LTD 4 of 9
ELECTRICAL CHARACTERISTICS(Cont.) M2915-ADJ (V IN =3.23V) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Minimum Operating Input Voltage V IN I OUT =1mA~1.5A, T J =-4~125 C 2.5 V Load Regulation ΔV OUT I OUT =1mA~1.5A.2 1. % Line Regulation ΔV OUT V IN =2.5V~13V, I OUT =1mA M2915A V IN =2.5V~3V, I OUT =1mA M2915B.6.5 % Reference Voltage V REF I OUT =1mA~1.5A, V IN =2.5~4.5V -1% 1.23 +1% T J =-4~125 C (Note 4) -2% +2% V Supply Voltage Rejection SVR f=12hz, V IN =3.23±1V, I OUT =.75A (Note 1) 45 75 db I OUT =.75A, T J =-4~125 C 15 4 ma I OUT =1.5A, T J =-4~125 C 3 8 ma Quiescent Current I Q V IN =13V,V INH =GND,T J =-4~125 C M2915A.13.18 ma V IN =3V,V INH =GND,T J =-4~125 C M2915B Adjust Pin Current I ADJ T J =-4~125 C (Note 1) 1 μa Short Circuit Current I SC V IN -V OUT =5.5V 2.2 A Control Input Logic Low V IL OFF MODE (Note 2), T J =-4~125 C.8 V Control Input Logic High V IH ON MODE (Note 2), T J =-4~125 C 2 V Control Input Current I INH V INH =13V, T J =-4~125 C 5 1 μa Output Noise Voltage e N B P =1Hz ~1KHz, I OUT =1mA 5 μv RMS Thermal Shutdown T SHDN 15 C Note: 1. Guaranteed by design. 2. Only for version with Inhibit function. 3. Dropout voltage is defined as the input-to-output differential when the output voltage drops to 98% of its nominal value with V OUT +1V applied to V IN. 4. Reference voltage is measured between output and GND pin, with ADJ PIN tied to V OUT UNISONIC TECHNOLOGIES CO., LTD 5 of 9
TYPICAL APPLICATION CIRCUITS OFF ON V IN M2915 INH (Note) IN OUT GND ADJ.33μF R 1 + 1μF V OUT R 2 V OUT =V REF (1+R 1 /R 2 ) Note: Only for version with inhibit function. UNISONIC TECHNOLOGIES CO., LTD 6 of 9
TYPICAL CHARACTERISTICS Quiescent Current, IQ (A) 35 3 25 2 15 1 5 Quiescent Current vs. Supply Voltage NO LOAD T J =25 C Quiescent Current,IQ (A) 3 25 2 15 1 5 Quiescent Current vs. Output Current V IN =4.5V T J =25 C 2 4 6 8 1 12 14 16 Supply Voltage,V S (V).4.8 1.2 1.6 Output Current,I OUT (A) Quiescent Current, IQ (A) 2 18 16 14 12 1 8 6 4 2 Quiescent Current vs. Output Current V IN =13V T J =25 C.4.8 1.2 1.6 Output Current,I OUT (A) Output Voltage,VOUT (V) 2.8 2.4 2. 1.6 1.2.8 Output Voltage vs. Input Voltage.4 I LOAD =1.5A T J =25 C 2 4 6 8 1 12 14 Input Voltage,V IN (V) Output Voltage, VOUT (V) 2.575 2.55 2.525 2.5 2.475 2.45 2.425 Output Voltage vs. Temperature V IN =4.5V I LOAD =1.5A 2.4-5 5 1 Reference Voltage, VOUT (V) 1.25 1.2 1.15 1.1 1.5 Reference Voltage vs. Temperature V IN =3.23V V REF =1.23V I LOAD =1.5A 1. 125-5 5 1 125 UNISONIC TECHNOLOGIES CO., LTD 7 of 9
TYPICAL CHARACTERISTICS(Cont.) Quiescent Current vs. Temperature 1.6 Quiescent Current vs. Temperature 9 Quiescent Current, IQ (ma) 8 7 6 5 4 3 2 V IN =4.5V I O =1.5A Quiescent Current, IQ (ma) 1.55 1.5 1.45 1.4 V IN =4.5V I O =1mA 1-5 5 1 15 1.35-5 -25 25 5 75 1 125 15 Short Circuit Current, ISC (A) 3.5 3 2.5 2 1.5 1.5 Short Circuit Current vs. Temperature V IN =5V -5 5 1 Adjust Pin Current, IADJ (na) 14 12 1 8 6 4 Adjust Pin Current vs. Temperature V IN =3.23V I LOAD =1mA 2 15-5 5 1 15 Line Transient [ ] Load Transient [ ] V I V O V O I O V I =3.5~5.5V,I O =1mA,V O =2.5V,C O =1µF V I =5V,I O =1mA~1.5A,V O =2.5V,C O =1µF UNISONIC TECHNOLOGIES CO., LTD 8 of 9
TYPICAL CHARACTERISTICS(Cont.) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD 9 of 9