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RT9607 Datasheet(PDF) 1 Page - Richtek Technology Corporation

Part # RT9607
Description  Dual Channel Synchronous-Rectified Buck MOSFET Driver
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9607 Datasheet(HTML) 1 Page - Richtek Technology Corporation

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RT9607/A
1
DS9607/A-07 April 2011
www.richtek.com
Dual Channel Synchronous-Rectified Buck MOSFET Driver
Ordering Information
General Description
The RT9607/A is a dual power channel MOSFET driver
specifically designed to drive four power N-MOSFETs in a
synchronous-rectified buck converter topology. These
drivers combined with RichTek
’ s series of Multi-Phase
Buck PWM controllers provide a complete core voltage
regulator solution for advanced microprocessors.
The RT9607/A can provide flexible gate driving for both
high side and low side drivers. This gives more flexibility
of MOSFET selection.
The output drivers of the part are capble to driver a 3nF
load in 30/40ns rising/falling time with fast propagation
delay from input transition to the gate of the power
MOSFET. This device implements bootstrapping on the
upper gates with only a single external capacitor required
for each power channel. This reduces implementation
complexity and allows the use of higher performance, cost
effective, N-MOSFETs. Adaptive shoot-through protect-ion
is integrated to prevent both MOSFETs from conducting
simultaneously.
The RT9607/A can detect high side MOSFET drain-to-
source electrical short at power on and pull the 12V power
by low side MOS and cause power supply to go into over
current shutdown to prevent damage of CPU.
RT9607 has longer UGATE/LGATE dead time which can
drive the MOSFETs with large gate RC value, avoiding
the shoot-through phenomenon. RT9607A is targeted to
drive small gate RC value MOSFETs and performs better
efficiency.
Features
Drives Four N-MOSFETs
Adaptive Shoot-Through Protection
Propagation Delay 40ns
Support High Switching Frequency
Fast Output Rise Time
5V to 12V Gate-Drive Voltages for Optimal Efficiency
Tri-State Input for Bridge Shutdown
Supply Under-Voltage Protection
RoHS Compliant and 100% Lead (Pb)-Free
Applications
Core Voltage Supplies for motherboard/desktop PC
microprocessor core power
High Frequency Low Profile DC-DC Converters
High Current Low Voltage DC-DC Converters
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.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
RT9607/A
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Package Type
QV : VQFN-16L 3x3 (V-Type)
S : SOP-14
Short Dead Time
Long Dead Time


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