RT9624H

2

DS9624H-02

July 2015

www.richtek.com

©

Copyright

2015 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Function Pin Description

Pin No.

Pin Name

Pin Function

1

BOOT

Bootstrap Supply for High-Side Gate Driver.

2

PWM

PWM Signal Input. Connect this pin to the PWM output of the controller.

3

NC

No Internal Connection.

4

VCC

Supply Voltage Input.

5

LGATE

Low-Side Gate Driver Output. Connect this pin to the Gate of low-side power

N-MOSFET.

6,

9 (Exposed Pad)

GND

Ground. The exposed pad must be soldered to a large PCB and connected to

GND for maximum power dissipation.

7

PHASE

Connect this pin to the Source of the high-side N-MOSFET and the Drain of the

low-side N-MOSFET.

8

UGATE

High-Side Gate Driver Output. Connect this pin to the Gate of high-side power

N-MOSFET.

Ordering Information

Note :

Richtek products are :

ments of IPC/JEDEC J-STD-020.

(TOP VIEW)

WDFN-8SL 2x2

Pin Configurations

BOOT

VCC

PWM

UGATE

PHASE

GND

LGATE

NC

7

6

5

1

2

3

4

8

9

Lead Plating System

G : Green (Halogen Free and Pb Free)

RT9624H

Package Type

QWA : WDFN-8SL 2x2 (W-Type)

(Exposed Pad-Option 1)