UTC M2950/2951 LINEAR INTEGRATED CIRCUIT 250 mA LOW-DROPOUT VOLTAGE REGULATOR 1 DESCRIPTION TO-92 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. Available in 3-pin TO-92, DIP-8 and SOP-8 packages. SOP-8 FEATURES DIP-8 *High accuracy 2.5, 3.0, 3.3, 3.6 or 5V fixed output for TO-92, SOP-8 package. *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 error flag available for DIP and SOP package. *Output voltage programmable for DIP and SOP package. APPLICATIONS *Battery powered equipment. *High efficient linear regulator down to 1.24V. *Cellular phones. UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATIONS UTC M2950 1 2 3 OUTPUT INPUT GND TO-92 Plastic Package Bottom View OUTPUT 1 SENSE 2 SHUTDOWN 3 GND UTC M2951 4 8 INPUT 7 FEEDBACK 6 5V TAP 5 ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC M2951 OUTPUT 1 NC 2 SHUTDOWN 3 GND 8 UTC M2950 4 INPUT 7 NC 6 NC 5 ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC M2950 Fig.1 UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM FEEDBACK UNRAGULATED DC INPUT 7 8 OUTPUT 5V 250mA MAX. 1 SENSE FROM CMOS OR TTL SHUT DOWN 3 182KΩ ERROR AMPLIFIER 60mV 5V TAP 2 6 60KΩ ERROR ERROR DETECTION COMPARATOR 1.23 REF 330KΩ 1.5 µF 5 TO CMOS OR TTL GND 4 FOR UTC M2951 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Feedback Voltage Shutdown Voltage Comparator Output Voltage Storage Temperature Operating Junction Temperature UTC SYMBOL Vcc Vfeedback Vshutdown Vco Tstr Tj VALUE -0.3~+18 -1.5~+18 -0.3~+18 -0.3~+18 -65~+150 -40~+125 UNIT V V V V °C °C UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Tested at Tj=25°C, VIN=6V, IL=100µA and CL=1µF, unless otherwise specified) PARAMETER PART NUMBER TEST CONDITION MIN. Output Voltage UTC M2950-2.5 TJ=25°C 2.45 UTC M2950-3.0 2.94 UTC M2950-3.3 3.23 UTC M2950-3.6 3.53 UTC M2950-5.0 4.90 UTC M2951 (note 1) UTC M2950-2.5 -25°C<=TJ<=<=+85°C 2.45 UTC M2950-3.0 2.94 UTC M2950-3.3 3.23 UTC M2950-3.6 3.53 UTC M2950-5.0 4.90 UTC M2951 (note 1) Output Voltage UTC M2950-2.5 100µA<=IL<=250 mA 2.45 UTC M2950-3.0 Tj<=Tj(max) 2.94 UTC M2950-3.3 3.23 UTC M2950-3.6 3.53 UTC M2950-5.0 4.90 UTC M2951 (note 1) Output Voltage 20 Temperature Coefficient Line Regulation 6V<=VIN<=18V 0.03 Load Regulation 100µA<=IL<=250 mA 0.04 Dropout Voltage IL=100µA 50 IL=250mA (note 2) 380 Ground Current IL=100µA 75 IL=250mA 8 Dropout Ground Current VIN=4.5V,IL=100µA 110 Current Limit Vout=0 160 Output Noise 10Hz to CL=1µF 260 100KHz CL=200µF CL=3.3µF (Bypass=0.01µF pins 7 to (UTC M2951)) TYP. 2.5 3.0 3.3 3.6 5.0 MAX. 2.55 3.06 3.36 3.67 5.10 UNIT 2.5 3.0 3.3 3.6 5.0 2.55 3.06 3.36 3.67 5.10 V 2.5 3.0 3.3 3.6 5.0 2.55 3.06 3.36 3.67 5.10 V 100 ppm/°C 0.2 0.2 150 600 140 22 200 300 430 % % 0.1 0.1 80 450 120 12 170 200 280 V mV µA mA µA mA µV 160 100 For M2951 8-Pin version only Reference Voltage Reference Voltage Feedback pin Bias Current Reference Voltage Temperature Coefficient Feedback Bias Current temperature Coefficient (Note 4) 1.22 1.19 1.235 20 1.25 1.27 40 V V nA 50 ppm/°C 0.1 nA/°C Error Comparator UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R102-004,D UTC M2950/2951 PARAMETER LINEAR INTEGRATED CIRCUIT PART NUMBER TEST CONDITION Output Leakage Current Output Low Voltage VOH=18V VIN=4.5V IOL=400µA Upper Threshold Voltage Lower Threshold Voltage Hysteresis (Note 3) MIN. TYP. MAX. 1 250 3.2 µA mV %VO (Note 3) 7.6 (Note 3) UNIT 15 %VO mV Shutdown Input Input Logic Voltage Shutdown Pin Input Current Regulator Output Current Shutdown 1.3 Low(Regulator ON) High(Regulator OFF) Vshutdown=2.4V Vshutdown=18V Vshutdown>=2V,VIN<=18V, Vout=0, Feedback pin tied to 5V Tap. V 0.70 2.0 30 50 µA 450 3 600 10 µA µA Note 1: Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense (Vout=5V) and Vshutdown<=0.8V. Note 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. Note 3:Comparator thresholds are expressed in terms of percentage value of voltage output. Note 4:Vref≤Vout≤(Vin-1V), 2.3V≤Vin≤30V, 100µA≤IL≤250mA, TJ≤TJMAX UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUIT (10 Ampere Low Dropout Regulator) C U R R EN T L IM IT S E C T IO N +V IN =V t+ 0 .5 V ou 0 .0 5 Ω 680Ω 2N 3906 U TC D 65H 0 470Ω 8 4 .7 M Ω +V IN E R R O R 5 U TC M 2951 3 20kΩ 220Ω SD FB G N D 4 O U T R 1 7 Vout 1 +V 10kΩ 4 .7 µ F 1% 250m A 100µF R 2 47Ω 0 .0 3 3 µ F V o u t= 1 .2 3 V * ( 1 + R 1 /R 2 ) For 5V o u tp u t u s e in te r n a l r e s is to r s .W ir e p in 6 to 7 a n d w ir e p in 2 to + V o u t Fig.2 Vin UTC UTC UTC UTC UTC M2950-2.5 M2950-3.0 M2950-3.3 M2950-3.6 M2950-5.0 Vout Fig.3 UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS RL=20Ω 2 1 0 0 1 3 2 4 5 600 6 RL=20Ω 1 2 INPUT VOLTAGE(V) Fig. 7 Ground Pin Current 3 4 5 6 DROPOUT VOLTAGE(mV) RL=50kΩ 3 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 0 INPUT CURRENT(mA) OUTPUT VOLTAGE(V) 5 4 Fig. 6 Dropout Voltage Fig.5 Input Current Fig.4 Dropout Characteristics 6 7 8 INPUT VOLTAGE(V) 9 10 11 Shutdown Threshold Voltage(V) QUIESCENT CURRENT(mA) QUIESCENT CURRENT(µΑ) 80 70 60 50 -75 -50 -25 0 25 50 75 100 125 V IN=6V IL=250mA 7 6 150 -75 -50 TEMPERATURE(°C) 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 125 150 1.8 1.6 1.4 1.2 1.0 0.8 0.6 -75 TEMPERATURE(°C) -50 -25 0 25 50 75 100 125 150 TEMPERATURE(°C) Fig. 11 Dropout Voltage Fig. 10 Short Circuit Current 500 300 400 290 Dropout Voltage(mV) SHORT CIRCUIT CURRENT(mA) -25 50 Fig. 9 Shutdown Threshold Voltage 9 8 IL=100µA 100 -75 Fig. 8 Ground Pin Current VIN=6V IL=100µA 90 300 TEMPERATURE(°C) 10 100 400 0 12 120 110 IL=250mA 500 280 270 260 250 240 230 -75 300 200 100 0 -50 -25 0 25 50 75 TEMPERATURE(°C) 100 125 150 100 150 200 250 OUTPUT CURRENT(mA) 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. UTC UNISONIC TECHNOLOGIES CO., LTD. 7 QW-R102-004,D