UNISONIC TECHNOLOGIES CO., M2950/2951 LINEAR INTEGRATED CIRCUIT 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 M2950L-xx-D08-T M2950G-xx-D08-T M2950L-xx-S08-R M2950G-xx-S08-R M2950L-xx-T92-B M2950G-xx-T92-B M2950L-xx-T92-K M2950G-xx-T92-K M2951L-D08-T M2951G-D08-T M2951L-S08-R M2951G-S08-R Note: Pin Assignment: I:VIN O:VOUT G:GND Package Packing DIP-8 SOP-8 TO-92 TO-92 DIP-8 SOP-8 Tube Tape Reel Tape Box Bulk Tube Tape Reel OUTPUT VOLTAGE CODE(For M2950) OUTPUT VOLTAGE 2.5V 3.0V 3.3V 3.6V 5.0V CODE 25 30 33 36 50 www.unisonic.com.tw Copyright © 2011 Unisonic Technologies Co., 1 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATIONS UTC M2950 1 2 OUTPUT 3 INPUT GND TO-92 Plastic Package Bottom View OUTPUT 1 SENSE 2 8 INPUT 7 FEEDBACK OUTPUT 1 NC 2 SHUTDOWN 3 6 5V TAP 4 5 ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC LP2951 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw INPUT 7 NC 6 NC 5 ERROR UTC M2950 UTC M2951 GND 8 SHUTDOWN 3 GND 4 SOP-8 OR DIP-8 PACKAGE FOR UTC LP2950 2 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM FOR UTC M2951 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TJ=25°C, unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.3~+18 V Feedback Voltage VFB -1.5~+18 V Shutdown Voltage VSHDN -0.3~+18 V Comparator Output Voltage VCO -0.3~+18 V Operation Junction Temperature TJ -40~+125 °C Storage Temperature TSTG -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 Junction to Ambient Junction to Case SYMBOL TO-92 SOP-8 DIP-8 TO-92 SOP-8 θJA θJC RATING 160 180 105 83 45 UNIT °C/W °C/W ELECTRICAL CHARACTERISTICS (TJ=25°C, VIN=6V, IL=100μA, CL=1μF, unless otherwise specified.) For All Versions: PARAMETER SYMBOL Output Voltage VOUT Output Voltage Output Voltage Temperature Coefficient Line Regulation Load Regulation VOUT TcVo ΔVOUT ΔVOUT Dropout Voltage VD Ground Current IG Dropout Ground Current Current Limit Output Noise (10Hz ~ 100KHz) (Bypass=0.01μF pins 7 to 1 (UTC M2951)) TEST CONDITION TJ=25°C (Note 1) -25°C≦TJ≦+85°C(Note 1) 100μA≦IL≦200mA, TJ≦TJ(MAX) ILIMIT eN VOUT×0.98 VOUT×0.98 VOUT×0.98 TYP VOUT VOUT VOUT 20 6V≦VIN≦18V 100μA≦IL≦=200 mA IL=100μA IL=200mA (Note 2) IL=100μA IL=200mA VIN=4.5V, IL=100μA VOUT=0V CL=1μF CL=200μF CL=3.3μF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 0.03 0.04 50 380 75 8 110 160 260 0.1 0.1 80 450 120 12 170 200 280 MAX VOUT×1.02 UNIT V V V 100 ppm/°C 0.2 0.2 150 600 140 22 200 300 430 160 100 % % VOUT×1.02 VOUT×1.02 mV μA mA μA mA μV 4 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Cont.) For UTC M2951 8-Pin Version Only PARAMETER SYMBOL ERROR COMPARATOR Output Leakage Current IO(LEAK) Output Low Voltage VOL Upper VTHU Threshold Voltage Lower VTHL Hysteresis VHYS SHUTDOWN INPUT Low VIL Input Logic Voltage High VIH Shutdown Pin Input Current ISHDN Regulator Output Current Shutdown IDFF TEST CONDITION MIN TYP VOH=18V VIN=VOUT×90%, IOL=400μA (Note 3) UNIT 1 250 μA mV 3.2 7.6 (Note 3) Regulator ON Regulator OFF VSHDN=2.4V VSHDN=18V VSHDN≧2V, VIN≦18V, VOUT=0V Feedback pin tied to 5V Tap. MAX 15 %VO mV 1.3 0.7 30 450 50 600 μA 3 10 μA 2.0 V For UTC M2951 8-Pin Version Only PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Reference Voltage VREF VOH=18V 1.22 1.235 1.25 V Reference Voltage VREF Over temperature(Note 4) 1.19 1.27 V Feedback pin Bias Current IFB 20 40 nA Reference Voltage Temperature VREF(TC) 50 ppm/°C Coefficient Feedback Bias Current IFB(TC) 0.1 nA/°C Temperature Coefficient Note: 1. Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense (VOUT=5V) and VSHDN≦0.8V. 2. Dropout Voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V differential. 3. Comparator thresholds are expressed in terms of percentage value of voltage output. 4. VREF≦VOUT≦(VIN-1V), 2.3V≦VIN≦30V, 100μA≦IL≦250mA, TJ≦TJ(MAX) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUIT 10 Ampere Low Dropout Regulator CURRENT LIMIT SECTION +VIN=VOUT+0.5V 0.05Ω 680Ω 2N3906 UTC D65H2 470Ω 8 +VIN 4.7MΩ ERROR 5 UTC M2951 3 220Ω 20kΩ SD GND 4 FB +VOUT 200m A 10kΩ R1 7 VOUT 1 100μF 1% 4.7 F R2 47Ω 0.033μF VOUT=1.23V*(1+R1/R2) For 5V output use internal resistors. Wire pin 6 to 7 and wire pin 2 to +VOUT VIN UTC M2950-2.5 UTC M2950-3.0 UTC M2950-3.3 UTC M2950-3.6 UTC M2950-5.0 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw VOUT 6 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Input Current Dropout Characteristics 6 310 290 5 4 RL=20 270 RL=50k 250 RL=20 3 230 210 2 190 1 0 170 0 1 3 4 2 Input Voltage(V) 5 6 150 0 2 4 6 8 Input Voltage(V) 10 12 Ground Pin Current Dropout Voltage 130 600 120 IL=200mA 500 110 400 100 300 90 IL=100μA 80 100 70 50 60 0 -75 -50 -25 0 25 50 75 100 125 150 Temperature(°С) VIN=6V IL=100μA 50 -75 -50 -25 0 25 50 75 100 125 150 Temperature(°С) Shutdown Threshold Voltage Ground Pin Current 1.8 10 1.6 9 VIN=6V IL=200mA 8 1.4 1.2 1.0 7 0.8 6 -75 -50 -25 0 25 50 75 100 125 150 Temperature(°С) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0.6 -75 -50 -25 0 25 50 75 100 125 150 Temperature(°С) 7 of 8 QW-R102-004.G M2950/2951 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) Dropout Voltage Short Circuit Current 500 300 400 290 280 300 270 200 260 250 100 240 230 -75 -50 -25 0 25 50 75 100 125 150 Temperature(°С) 0 50 100 150 Output Current(mA) 200 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 www.unisonic.com.tw 8 of 8 QW-R102-004.G