RT9612AGQW データシートの表示（PDF） - Richtek Technology
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RT9612AGQW Datasheet PDF : 15 Pages
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RT9612A/B
Function Pin Description
SOP-8
1
Pin No.
SOP-8 (Exposed Pad)/ Pin Name
WDFN-8EL 3x3
1
BOOT
2
2
PWM
3
3
NC
4
4
VCC
5
5
LGATE
6
6,
9 (Exposed Pad)
GND
7
7
PHASE
8
8
UGATE
Pin Function
Floating Bootstrap Supply pin for Upper Gate Drive.
Input PWM Signal for Controlling the Driver.
No Internal Connection.
12V Supply Voltage.
Lower Gate Driver Output. Connect this pin to gate of low side
power N-MOSFET.
Ground. The exposed pad must be soldered to a large PCB
and connected to GND for maximum power dissipation.
Connect this pin to the source of the high side MOSFET and
the drain of the low side MOSFET.
Upper Gate Drive Output. Connect this pin to gate of high side
power N-MOSFET.
Function Block Diagram
VCC
PWM
Internal
3.6V
15k
15k
POR
Tri-State
Detect
Bootstrap
Control
Shoot-Through
Protection
Turn Off
Detection
Shoot-Through
Protection
VCC
BOOT
UGATE
12k
PHASE
12k
LGATE
12k
GND
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
4
is a registered trademark of Richtek Technology Corporation.
DS9612A/B-03 June 2012
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