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UNISONIC TECHNOLOGIES CO., LTD M2950/2951 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 8 Copyright © 2015 Unisonic Technologies Co., Ltd QW-R102-004.J 200mA LOW-DROPOUT VOLTAGE REGULATOR DESCRIPTION The UTC M2950/2951 is a monolithic integrated voltage regulator with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications. FEATURES * Fixed output versions, 2.5V, 3V, 3.3V, 3.6V and 5V, are available. * Extremely low quiescent current and dropout voltage. * Extremely tight load and line regulation. * Current and thermal limiting. * Very low temperature coefficient. * Logic controlled shutdown and err flog available for 8 pin package. * Output voltage programmable for M2951 ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing M2950L-xx-D08-T M2950G-xx-D08-T DIP-8 Tube - M2950G-xx-S08-R SOP-8 Tape Reel M2950L-xx-T92-B M2950G-xx-T92-B TO-92 Tape Box M2950L-xx-T92-K M2950G-xx-T92-K TO-92 Bulk M2951L-D08-T M2951G-D08-T DIP-8 Tube - M2951G-S08-R SOP-8 Tape Reel Note: Pin Assignment: I:VIN O:V OUT G:GND
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 8 www.unisonic.com.tw QW-R102-004.J MARKING INFORMATION (FOR M2950) PACKAGE VOLTAGE CODE MARKING DIP-8 SOP-8 TO-92 25: 2.5V 30: 3.0V 33: 3.3V 36:3.6V 50:5.0V MARKING INFORMATION (FOR M2951) DIP-8 SOP-8 25: 2.5V 30: 3.0V 33: 3.3V 36:3.6V 50:5.0V
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 8 www.unisonic.com.tw QW-R102-004.J PIN CONFIGURATIONS 21 3 OUTPUT GND INPUT TO-92 Plastic Package Bottom View INPUT FEEDBACK 5V TAPSHUTDOWN SENSE OUTPUT UTC M2951 GND ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC M2951 INPUT NC NCSHUTDOWN NC OUTPUT UTC M2950 GND ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC M2950 UTC M2950 BLOCK DIAGRAM FOR UTC M2951
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 8 www.unisonic.com.tw QW-R102-004.J ABSOLUTE MAXIMUM RATINGS (TJ=25C, unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC -0.3~+18 V Feedback Voltage V FB -1.5~+18 V Shutdown Voltage V SHDN -0.3~+18 V Comparator Output Voltage V CO -0.3~+18 V Operation Junction Temperature T J -40~+125 C Storage Temperature T STG -65~+150 C Note: 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 RATING UNIT TO-92 160 SOP-8 180 Junction to Ambient DIP-8 θJA 105 C/W TO-92 83 Junction to Case SOP-8 θJC 45 C/W ELECTRICAL CHARACTERISTICS (TJ=25C, VIN=6V, IL=100A, CL=1F, unless otherwise specified.) For All Versions: PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT TJ=25C (Note 1) V OUT×0.98 V OUT V OUT×1.02 V Output Voltage V OUT -25C≦TJ≦+85C(Note 1) V OUT×0.98 V OUT V OUT×1.02 V Output Voltage V OUT 100 μA≦IL≦200mA, TJ≦TJ(MAX) VOUT×0.98 V OUT V OUT×1.02 V Output Voltage Temperature Coefficient TcVo 20 100 ppm/ C Line Regulation ∆VOUT 6V≦VIN≦18V 0.03 0.1 0.2 % Load Regulation ∆VOUT 100μA≦IL≦=200 mA 0.04 0.1 0.2 % IL=100μA 50 80 150 Dropout Voltage V D IL=200mA (Note 2) 380 450 600 mV IL=100μA 75 120 140 μV Ground Current I G IL=200mA 8 12 22 mA Dropout Ground Current V IN=4.5V, IL=100μA 110 170 200 μV Current Limit I LIMIT V OUT=0V 200 420 mA CL=1μF 260 280 430 CL=200μF 160 Output Noise (10Hz ~ 100KHz) (Bypass=0.01F pins 7 to 1 (UTC M2951)) eN CL=3.3μF 100 μV
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 8 www.unisonic.com.tw QW-R102-004.J ELECTRICAL CHARACTERISTICS (Cont.) For UTC M2951 8-Pin Version Only PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT ERROR COMPARATOR Output Leakage Current I O(LEAK) V OH=18V 1 μA Output Low Voltage V OL V IN=VOUT×90%, IOL=400μA 250 mV Upper V THU 3.2 Threshold Voltage Lower V THL (Note 3) 7.6 %VO Hysteresis V HYS (Note 3) 15 mV SHUTDOWN INPUT Low V IL Regulator ON 1.3 0.7 Input Logic Voltage High V IH Regulator OFF 2.0 V VSHDN=2.4V 30 50 Shutdown Pin Input Current I SHDN VSHDN=18V 450 600 μA Regulator Output Current Shutdown IDFF VSHDN≧2V, VIN≦18V, VOUT=0V Feedback pin tied to 5V Tap. 3 10 μA For UTC M2951 8-Pin Version Only PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Reference Voltage V REF V OH=18V 1.22 1.235 1.25 V Reference Voltage V REF Over temperature(Note 4) 1.19 1.27 V Feedback pin Bias Current I FB 20 40 nA Reference Voltage Temperature Coefficient VREF(TC) 50 ppm/ C Feedback Bias Current Temperature Coefficient IFB(TC) 0.1 nA/ C Note: 1. Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense OUT=5V) and VSHDN≦0.8V. Dropout Voltage is defined as t he input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V differential. Comparator thresholds are expressed in terms of percentage value of voltage output. V REF≦VOUT≦(VIN-1V), 2.3V≦VIN≦30V, 100A≦IL≦250mA, TJ≦TJ(MAX)
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 8 www.unisonic.com.tw QW-R102-004.J APPLICATION CIRCUIT
10 Ampere Low Dropout Regulator
+VIN FB VOUTGND SD ERROR UTC M2951 CURRENT LIMIT SECTION +VIN=VOUT+0.5V 0.05Ω 470Ω 680Ω 4.7MΩ 20kΩ 220Ω 0.033μF 47Ω 4.7 F 100μF 10kΩ 2N3906 +VOUT 200m A VOUT=1.23V*(1+R1/R2) For 5V output use internal resistors. Wire pin 6 to 7 and wire pin 2 to +VOUT UTC D65H2 UTC M2950-2.5 UTC M2950-3.0 UTC M2950-3.3 UTC M2950-3.6 UTC M2950-5.0 VIN VOUT
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 8 www.unisonic.com.tw QW-R102-004.J TYPICAL CHARACTERISTICS Dropout Characteristics Input Voltage(V) Input Current Input Voltage(V) 1 2 34 560 RL=50k RL=20 024681 0 1 2 150 170 190 210 230 250 270 290 310 RL=20 Dropout Voltage Temperature(°С) Ground Pin Current Temperature(°С) -75 -50 -25 0 25 50 75 100 125 150 100 300 400 500 600 IL=200mA IL=100μA 100 110 120 -75 -50 -25 0 25 50 75 100 125 150 VIN=6V IL=100μA 130 Ground Pin Current Temperature(°С) Shutdown Threshold Voltage Temperature(°С) -75 -50 -25 0 25 50 75 100 125 150-75 -50 -25 0 25 50 75 100 125 150 VIN=6V IL=200mA 0.6 0.8 1.0 1.2 1.4 1.6 1.8
M2950/2951 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 8 of 8 www.unisonic.com.tw QW-R102-004.J TYPICAL CHARACTERISTICS(Cont.) Dropout Voltage Output Current(mA) 50 100 150 200 100 200 300 400 500 UTC assumes no respon sibility for equipment failures that result fr om 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 writ ten 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.