NJM2891 NJM2891PB1 FFP12-B1 NJM2891PB1-2121 NJM2891PB1-2725 NJM2891PB1-2727 - Datasheet Archive

 

2ch LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2891 is low dropout voltage regulator designed for cellular phone

 

NJM2891 NJM2891 2ch LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2891 NJM2891 is low dropout voltage regulator designed for cellular phone application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. PACKAGE OUTLINE NJM2891PB1 NJM2891PB1 FEATURES High Ripple Rejection 70dB typ. (f=1kHz , Vo=3V Version) Output Noise Voltage Vno=30µVrms typ.(Cp=0.01µF) Output capacitor with 1.0µF ceramic capacitor (Vo2.7V) Output Current Io(max.)=150mA × 2ch High Precision Output Vo±1.0% Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline FFP12-B1 FFP12-B1 (2.0×2.0×0.85mm) PIN CONFIGURATION 9 8 7 7 8 9 10 6 6 10 11 5 5 11 12 4 4 12 1 2 3 3 TOP 2 PIN FUNCTION 1. VOUT2 2. VOUT2 3. GND 4. CONTROL2 5. VIN2 6. VIN1 7. CONTROL1 8. VOUT1 9. VOUT1 10. NOISE BYPASS1 11. NC 12. NOISE BYPASS2 1 BOTTOM NJM2891PB1 NJM2891PB1 EQUIVALENT CIRCUIT VIN1/ VIN2 VOUT1/ VOUT2 Cont1/Cont2 Thermal Protection Bandgap Reference GND Noise Bypass1 / Noise Bypass2 NJM2891 NJM2891 (Ta=25°C) RATINGS UNIT +14 V +14(*1) V 300(*2) mW -40 +85 °C -40 +125 °C (*1):When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. (*2):On board. (25mm×25mm×0.2mm) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg Operating Voltage VIN=+2.5V +14.0V (In case of Vo