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RN5RG

VOLTAGE REGULATOR WITH EXTERNAL POWER TRANSISTOR

RICOH Co.,Ltd. 

VOLTAGE REGULATOR WITH

EXTERNAL POWER TRANSISTOR

RN5RG SERIES

OUTLINE

The RN5RG Series are voltage regulator ICs with an external power transistor with high output voltage accu-

racy and lowest supply current by CMOS process. Each of these voltage regulator ICs consists of a voltage refer-

ence unit, an error amplifier and resistors.

These ICs are suitable for constructing regulators with ultra-low dropout voltage and an output current in the

range of several tens mA to several hundreds mA.

Furthermore, these ICs have a chip enable function, so that the supply current on standby can be minimized.

Since the package for these ICs are SOT-23-5 (Mini-mold) package, high density mounting of the ICs

on boards is possible.

FEATURES

• Ultra-Low Supply Current ..............................TYP. 50µA

• Standby Mode.....................................................TYP. 0.2µA

• Ultra-Low Dropout Voltage .............................TYP. 0.1V (IOUT=100mA : dependent on External Tr.)

• Low Temperature-Drift Coefficient of Output Voltage ...................TYP. ±100 ppm/˚C

• Excellent Line Regulation ................................TYP. 0.1%/V

• Output Voltage .................................................Stepwise setting with a step of 0.1V in the range of 2.0V to 6.0V is

possible (refer to Selection Guide).

• High Accuracy Output Voltage ........................±2.5%

• Small Package ..................................................SOT-23-5(Mini-Mold)

APPLICATIONS

• Power source for battery-powered equipment.

• Power source for cameras, VCRs, camcorders, hand-held audio instruments, and hand-held communication

equipment.

• Power source for domestic appliances.

BLOCK DIAGRAM

VDD

2

EXT

4

VOUT

3

+

–

Vref

5

CE

GND

1

1

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