RS5RM3945A-T2 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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RS5RM3945A-T2

PWM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR

RICOH Co.,Ltd. 

RS5RM

BLOCK DIAGRAM

VSS 1

OSC

VLX Limiter

PWM

CE 2

VDOUT 3

VDIN 4

–

+

Soft Start

Vref1

+

Vref2

–

–

+

8 LX

7 EXT

6 VDD

5 VOUT

SELECTION GUIDE

In the RS5RM Series, the output voltage, the detector threshold, the version symbols, and the taping type for

the ICs can be selected at the user's request.

The selection can be made by designating the part number as shown below:

RS5RM× × × × × – × × ← Part Number

↑ ↑↑ ↑

a bc d

Code

Contens

a

Setting Output Voltage (VOUT):

Stepwise setting with a step of 0.1V in the range of 1.5V to 6.0V is possible.

b

Setting Detector Threshold (–VDET):

Stepwise setting with a step of 0.1V in the range of 1.2V to 5.0V is possible.

Designation of Version Symbols:

c

A: Operation of all the internal circuits is stopped by setting CE pin at VDD level.

B: Operation of only Step-up DC/DC converter is stopped by setting CE pin atVDD level.

Designation of Taping Type:

Ex. 8pin SOP : T1, T2

d

(refer to Taping Specification)

“T2” is prescribed as a standard.

For example, the product with Output Voltage 5.0V, Detector Threshold 4.5V, Version A, and Taping Type T1,

is designated by Part Number RS5RM5045A-T1.

2

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