Datasheet > RS5RJ3327B-T1

RS5RJ3327B-T1

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
理光 - RICOH		光电二极管
页数	文件大小	规格书
29页	574K
描述
Switching Regulator, Voltage-mode, 0.25A, 100kHz Switching Freq-Max, CMOS, PDSO8, SOP-8

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RS5RJ3327B-T1 数据手册

VFM STEP-UP DC/DC CONVERTER WITH

VOLTAGE REGULATOR AND DETECTOR

NO. EA-024-0204

RS5RJ SERIES

OUTLINE

The RS5RJ series are CMOS-based step-up DC/DC converter ICs equipped with a voltage regulator (VR) and

a voltage detector (VD). Each of these step-up DC/DC converter ICs consists of a VFM DC/DC converter, a linear

regulator and a voltage detector. These ICs are output-voltage-fixed type regulators which function as a linear

regulator when input voltage is high, and as step-up DC/DC converter + linear regulator when input voltage is

low, by using an inductor, a diode and a capacitor as external parts for the ICs.

Since a voltage detector is built in these ICs, the potentials such as the output voltage of DC/DC converters can

be monitored.

In addition, these step-up DC/DC converter ICs are suitable for battery-powered and hand-held instruments

because internal circuits can be turned off by the chip enable function so that the standby current can be mini-

mized.

FEATURES

...........................................

•

Low Supply Current

Typ. 15µA (RS5RJ3624A : VIN=3.0V,at no load)

Istandby=Max. 1.0µA (RS5RJxxxxA)

.....................................................

•

Standby Mode

Istandby=Max. 10.0µA (RS5RJxxxxB)

Operating Voltage VIN=1.2V to 10V

.......................

•

Low Voltage Operation Possible

High Output Voltage Accuracy

.........................

Fixed Output Voltage Accuracy 2.5ꢀ

2.5ꢀ

...................

High Detector Threshold Accuracy

Output Voltage can be set at User's request (refer to Selection Guide).

Voltage close to battery's voltage can be output because these ICs are of a step-up / step-down type

(Ex. a fixed voltage of 3V can be output by a 3V battery).

•

Built-in Protection Circuits for Lx Driver

Pin for External Driver is equipped, and a large current output can be obtained.

....................................................

Small Package

8pin SOP

APPLICATIONS

•

Power source for cameras, camcorders, and hand-held audio equipment.

Power source for small OA apparatus such as note type personal computers,and word processors.

Power source for hand-held communication appliances such as pagers,cordless telephones, and cellular phones.

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