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RT9624H

Description
Single Phase Synchronous Rectified Buck MOSFET Driver, Active, 1, 12V, 25ns, 12ns, 24ns, 10ns
Categorylogic    Gate   
File Size156KB,13 Pages
ManufacturerRichtek Technology Corporation
Websitehttps://www.richtek.com/
Download Datasheet Parametric View All

RT9624H Overview

Single Phase Synchronous Rectified Buck MOSFET Driver, Active, 1, 12V, 25ns, 12ns, 24ns, 10ns

RT9624H Parametric

Parameter NameAttribute value
StatusActive
Number of Channels1
Vcc (typ)(V)12
UGATE Rise Time (typ)(ns)25
UGATE Fall Time (typ)(ns)12
LGATE Rise Time (typ)(ns)24
LGATE Fall Time (typ)(ns)10
UGATE Source Resistance (typ)(Ohm)1.7
UGATE Sink Resistance (typ)(Ohm)1.4
LGATE Source Resistance (typ)(Ohm)1.6
LGATE Sink Resistance (typ)(Ohm)1.1
Disable PinNo
Built-In Bootstrap DiodeYes
Iq (typ)(mA)0.12
FeaturesBuilt-in Bootstrap Switch;Tri-State Input
Package TypeWDFN2x2-8S
Datasheethttps://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS9624H-02.pdf
®
RT9624H
Single Phase Synchronous Rectified Buck MOSFET Driver
General Description
The RT9624H is a high frequency, synchronous rectified,
single phase MOSFET driver designed for normal MOSFET
driving applications and high performance CPU VR driving
capabilities.
The RT9624H can be supplied from 4.5V to 13.2V. The
applicable power stage VIN range is from 5V to 24V. The
IC also builds in an internal power switch to replace
external bootstrap diode.
The RT9624H can support switching frequency efficiently
up to 500kHz. The IC has both the UGATE and LGATE
driving circuits for synchronous rectified DC/DC converter
applications. The shoot through protection mechanism is
designed to prevent shoot through between high-side and
low-side power MOSFETs. The RT9624H has tri-state
PWM input with shutdown function, which can force driver
to output low UGATE and LGATE signals.
The RT9624H is available in a small footprint WDFN-8SL
2x2 package.
Features
Drive Two N-MOSFETs
Shoot-Through Protection
Embedded Bootstrap Switch
Support High Switching Frequency
Fast Output Rising Time
Tri-State PWM Input for Output Shutdown
Small 8-Lead WDFN Package
RoHS Compliant and Halogen Free
Applications
Core Voltage Supplies for Desktop, Motherboard CPU
High Frequency Low Profile DC/DC Converters
High Current Low Voltage DC/DC Converters
Core Voltage Supplies for GFX Card
Marking Information
27 : Product Code
27W
W : Date Code
Simplified Application Circuit
RT9624H
12V
R1
C1
UGATE
PWM
Controller
PWM
GND
PHASE
+
VCC
BOOT
R2
C
BOOT
R3
Q1
V
IN
C5
C6
L1
V
OUT
R5
Q2
C2
R4
LGATE
C3
C4
Copyright
©
2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9624H-02 July 2015
www.richtek.com
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