R1224N472M データシートの表示（PDF） - RICOH Co.,Ltd.

部品番号

コンポーネント説明

メーカー

R1224N472M

PWM/VFM step-down DC/DC Converter

RICOH Co.,Ltd. 

R1224N

PIN CONFIGURATIO

• SOT-23-5

5

4

(mark side)

123

PIN DESCRIPTION

Pin No

1

2

3

4

5

Symbol

CE

GND

VOUT (VFB)

EXT

VIN

Pin Description

Chip Enable Pin (“H” Active)

Ground Pin

Pin for Monitoring Output Voltage (Feedback Voltage)

External Transistor Drive Pin (CMOS Output)

Power Supply Pin

ABSOLUTE MAXIMUM RATINGS

Symbol

VIN

VEXT

VCE

VOUT

IEXT

PD

Topt

Tstg

Item

VIN Supply Voltage

EXT Pin Output Voltage

CE Pin Input Voltage

VOUT/VFB Pin Input Voltage

EXT Pin Inductor Drive Output Current

Power Dissipation (SOT-23-5)*

Operating Temperature Range

Storage Temperature Range

Rating

20

−0.3 to VIN+0.3

−0.3 to VIN+0.3

−0.3 to VIN+0.3

± 50

420

−40 to +85

−55 to +125

Unit

V

V

V

V

A

mW

°C

°C

* ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.

4

Share Link: