LP2950/2951 LP2950-3 LP2950 LP2951F LP2951P LP2951 2N3906 D65H0 LP2950-5

LINEARINTEGRATEDCIRCUIT 100 mA LOW-DROPOUT VOLTAGE REGULATOR 1 DESCRIPTION TO-92 The Contek LP2950/2951 is a monolithic

LP2950/2951 LP2950/2951 LINEARINTEGRATEDCIRCUIT 100 mA LOW-DROPOUT VOLTAGE REGULATOR 1 DESCRIPTION TO-92 The Contek LP2950/2951 LP2950/2951 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 DIP-8 FEATURES *High accuracy 3.0, 3.3, or 5V fixed output for TO-92 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. ORDERING INFORMATION PART NUMBER TEMPERATURE RANGE Contek LP2950-3 LP2950-3.0 Contek LP2950-3 LP2950-3.3 Contek LP2950 LP2950 Contek LP2951F LP2951F Contek LP2951P LP2951P -40 ~ +125 -40 ~ +125 -40 ~ +125 -40 ~ +125 -40 ~ +125 C C C C C PACKAGE 3-Pin TO-92 3-Pin TO-92 3-Pin TO-92 8-Pin SOP-8 8-Pin DIP-8 plastic plastic plastic plastic plastic Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com ACCURACY 1.0% 2.0% 1.0% 2.0% 2.0% 1 LP2950/2951 LP2950/2951 LINEARINTEGRATEDCIRCUIT PIN CONFIGURATIONS Contek LP2950 LP2950 2 OUTPUT 1 SENSE 2 SHUTDOWN 1 3 3 OUTPUT INPUT 8 GND 4 GND TO-92 Plastic Package Bottom View 7 FEEDBACK 6 5V TAP 5 Contek LP2951 LP2951 INPUT ERROR SOP-8 OR DIP-8 PACKAGE Fig. 1 BLOCK DIAGRAM UNRAGULATED FEEDBACK DC INPUT 7 8 OUTPUT 5V150mA MAX. 1 SENSE FROM CMOS ORTTL SHUT DOWN 3 182kW ERROR 5V TAP AMPLIFIER 60mV 1.23 REF 60k W ERROR DETECTION COMPARATOR ERROR GND 2 6 W 330K 1.5 mF 5 TOCMOS ORTTL 4 Contek 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~+30 -1.5~+30 -0.3~+30 -0.3~+30 -65~+150 -40~+125 Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com UNIT V V V V C C 2 LP2950/2951 LP2950/2951 LINEARINTEGRATEDCIRCUIT ELECTRICAL CHARACTERISTICS ( Tested at Tj=25 C,VIN=6V,I L=100A and C L=1F.unless otherwise specified) PARAMETER PART NUMBER Output Voltage Contek LP2950-3 LP2950-3.0 Contek LP2950-3 LP2950-3.3 Contek LP2950 LP2950 Contek LP2951 LP2951 Contek LP2950-3 LP2950-3.0 Contek LP2950-3 LP2950-3.3 Contek LP2950 LP2950 Contek LP2951 LP2951 Contek LP2950-3 LP2950-3.0 Contek LP2950-3 LP2950-3.3 Contek LP2950 LP2950 Contek LP2951 LP2951 Output Voltage Output Voltage Temperature Coefficient Line Regulation Load Regulation Dropout Voltage TEST CONDITION TJ=25 C (note 1) -25 C