NJM2857 Datasheet, PDF (1/11 Pages) New Japan Radio – LOW DROPOUT VOLTAGE REGULATOR

NJM2857
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2857 is a low dropout voltage regulator.
This product has Reverse Current Protection without external SBD
Advanced Bipolar technology achieves low noise, high ripple
rejection and high supply voltage.
1.5A output current capacity, 4.7µF small decoupling capacitor,
built-in noise bypass capacitor make the NJM2857 suitable for
various applications.
FEATURES
High Ripple Rejection
80dB typ. (f=1kHz, Vo=3V Version)
Output Noise Voltage
Vno=55µVrms typ. (Vo=3V Version)
Output capacitor with ceramic capacitor
Output Current
Io(max.)=1.5A
High Precision Output
Vo ±1.0%
Low Dropout Voltage
0.20V typ. (Io=1A)
ON/OFF Control
Internal Reverse Current Protection
Internal Thermal Overload Protection
Internal Over Current Protection
Bipolar Technology
Package Outline
TO-252-5
PIN CONFIGURATION
3
1.CONTROL
2.V_IN
3.GND
4.Vo
5.N.C.
12 3 45
NJM2857DL3
EQUIVALENT CIRCUIT
PACKAGE OUTLINE
NJM2857DL3
V_IN
CONTROL
Reverse
Current
Protection
Bandgap
Reference
Thermal
Protection
V_OUT
GND
Ver.2010-02-08
Current
Limit
-1-