UTCM2950-3.0

UTC M2950/2951 LINEAR INTEGRATED CIRCUIT 250 mA 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. Available in 3-pin TO-92, DIP-8 and SOP-8 packages. 1 TO-92 SOP-8 FEATURES *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. DIP-8 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 PIN CONFIGURATIONS LINEAR INTEGRATED CIRCUIT UTC M2950 1 2 3 OUTPUT GND INPUT TO-92 Plastic Package Bottom View OUTPUT SENSE 1 2 8 7 6 5 INPUT FEEDBACK 5V TAP SHUTDOWN 3 UTC M2951 GND 4 ERROR SOP-8 OR DIP-8 PACKAGE FOR UTC M2951 OUTPUT NC 1 2 8 7 6 5 INPUT NC NC SHUTDOWN 3 UTC M2950 GND 4 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 BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNRAGULATED DC FEEDBACK 7 INPUT 8 OUTPUT 1 5V 250mA MAX. SENSE 182KΩ ERROR AMPLIFIER 60mV 60KΩ ERROR 1.23 REF ERROR DETECTION COMPARATOR 2 FROM CMOS OR TTL SHUT DOWN 5V TAP 3 6 1.5 µF 330KΩ 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 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 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R102-004,D UTC M2950/2951 LINEAR INTEGRATED CIRCUIT TYP. 2.5 3.0 3.3 3.6 5.0 2.5 3.0 3.3 3.6 5.0 2.5 3.0 3.3 3.6 5.0 MAX. 2.55 3.06 3.36 3.67 5.10 2.55 3.06 3.36 3.67 5.10 2.55 3.06 3.36 3.67 5.10 100 0.1 0.1 80 450 120 12 170 200 280 0.2 0.2 150 600 140 22 200 300 430 160 100 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