RT9624H Datasheet, PDF (2/13 Pages) Richtek Technology Corporation – Single Phase Synchronous Rectified Buck MOSFET Driver

RT9624H
Ordering Information
RT9624H
Package Type
QWA : WDFN-8SL 2x2 (W-Type)
(Exposed Pad-Option 1)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
Richtek products are :
 RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
 Suitable for use in SnPb or Pb-free soldering processes.
Pin Configurations
(TOP VIEW)
BOOT 1
PWM 2
NC 3
VCC 4
8 UGATE
7 PHASE
6 GND
9 _{5 LGATE}
WDFN-8SL 2x2
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.
Copyright ©2015 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS9624H-02 July 2015