NJM2871/A, NJM2872/A
LOW DROPOUT VOLTAGE REGULATOR
s GENERAL DESCRIPTION The NJM2871/A, NJM2872/A are low dropout voltag...
NJM2871/A, NJM2872/A
LOW DROPOUT VOLTAGE
REGULATOR
s GENERAL DESCRIPTION The NJM2871/A, NJM2872/A are low dropout voltage
regulators designed for cellular phone application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. s PACKAGE OUTLINE
NJM2871F/AF NJM2872F/AF
s FEATURES qHigh Ripple Rejection 70dB typ. (f=1kHz) qOutput Noise Voltage Vno=30µVrms (Cp=0.01µF) qOutput capacitor with 1.0uF ceramic capacitor (Vo≥2.7V) qOutput Current Io(max.)=150mA qHigh Precision Output Vo±2% Vo±1%:A Version qLow Dropout Voltage 0.10V typ. (Io=60mA) qON/OFF Control (Active High) qOperating Voltage Range +2.5V∼+14V (Vo≤2.0V version) qInternal Short Circuit Current Limit qInternal Thermal Overload Protection qBipolar Technology qPackage Outline MTP5 (MTP5:2.8×2.9×1.1mm)
s PIN CONFIGURATION
1 2 3 4 5
NJM2871F/AF
PIN FUNCTION 5 1. CONTROL (Active High) 1 2 2. GND 3. NOISE BYPASS 3 4 4. VOUT 5. VIN NJM2872F/AF
PIN FUNCTION 1.VIN 2.GND 3.CONTROL (Active High) 4.NOISE BYPASS 5.VOUT
s EQUIVALENT CIRCUIT
VIN Cont
Thermal Protection
VOUT
Noise Bypass
Bandgap Reference
GND
NJM2871/A, NJM2872/A
(Ta=25°C) RATINGS UNIT +14 V +14(note 1) V 200 mW −40 ∼ +85 °C −40 ∼ +125 °C (note 1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg s ELECT...
