R2A20134ASP

R03DS0067EJ0301 Rev.3.01

Page 2 of 13

Jan 08, 2016

Pin Arrangement

FB

VREF

RT

COMP

VCC

(Top view)

CS

GND

OUT

1

4

3

2

8

5

6

7

Pin Function

Pin No.

Pin Name

Input/Output

Function

1

FB

Input

Error amplifier input terminal

2

COMP

Output

Error amplifier output terminal

3

RT

Input/Output

A resistor connection terminal for RAMP current setting

4

VREF

Output

Reference voltage output terminal

5

CS

Input

Overcurrent detection and overvoltage detection input terminal

6

GND

—

Ground

7

OUT

Output

Power MOSFET drive terminal

8

VCC

Input

Supply voltage terminal