2010.03 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com

2

GR6953

Pin Configuration

TOP VIEW

Pin Description

Pin No.

Name

Function

1

VCC

Low side and logic fixed supply

2

RT

Oscillator timing resistor input, in phase with HO for normal IC operation

3

CT

Oscillator timing capacitor input, the oscillator frequency according to the following

equation: f = 0.7213 / (RT x CT)

4

SGND

Signal ground

5

PGND

Low side MOSFET source

6

VS

High side floating supply return and power output

7

HV

High side MOSFET drain

8

VB

High side floating supply

Block Diagram

1

2

3

4

VCC

CT

VB

HO

VS

LO

8

7

6

5

COM

RT

VCC

RT

CT

SGND

VB

HV

VS

PGND

1

2

3

4

VCC

CT

VB

HO

VS

LO

8

7

6

5

COM

RT

VCC

RT

CT

SGND

VB

HV

VS

PGND