R2A20135SP

Preliminary

R03DS0061EJ0200 Rev.2.00

Page 2 of 11

Jul 24, 2013

Pin Arrangement

(Top view)

FB

1

COMP

2

RT

3

FB+

VCC

OUT

GND

PWM

4

8

7

6

5

Pin Function

Pin No.

Pin Name

Input/Output

Function

1

FB

Input

Error amplifier input pin

2

COMP

Output

Error amplifier output pin

3

RT

Input/Output

A resistor connection pin for RAMP current setting

4

FB+

Input/Output

A conductor connection pin for PWM voltage stability and DC dimming

5

PWM

Input

Input PWM signal

6

GND

—

Ground

7

OUT

Output

Power MOSFET drive pin

8

VCC

Input

Supply voltage pin