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RT9204GS

Description
Dual Regulators - Standard Buck PWM DC-DC and Linear Controller
File Size187KB,14 Pages
ManufacturerRichtek Technology Corporation
Websitehttps://www.richtek.com/
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RT9204GS Overview

Dual Regulators - Standard Buck PWM DC-DC and Linear Controller

Preliminary
RT9204/A
Dual Regulators - Standard Buck PWM DC-DC and
Linear Controller
General Description
The RT9204/A is a dual power controllers designed for
high performance graphics cards and computer
applications. The IC integrates a standard buck controller,
a linear regulator driver and protection functions into a
small 8-pin package.
The RT9204/A uses an internal compensated voltage
mode PWM control for simple application design. An
internal 0.8V reference allows the output voltage to be
precisely regulated to low voltage requirement. A fixed
600kHz oscillator reduce the component size for saving
board area.
The RT9204/A protects the converter and regulator by
monitoring the output under voltage.
Features
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Operate from 5V
0.8V Internal Reference
Voltage Mode PWM Control
Fast Transient Response
Fixed 600kHz Oscillator Frequency
Full 0 to 100% Duty Cycle
Internal Soft Start
Internal PWM Loop Compensation
RoHS Compliant and 100% Lead (Pb)-Free
Applications
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Ordering Information
RT9204/A
Package Type
S : SOP-8
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
UVP : Hiccup Mode
UVP : Latch Mode
Note :
RichTek Pb-free and Green 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.
}100%matte
tin (Sn) plating.
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Motherboard Power Regulation for Computers
Subsystems Power Supplies
Cable Modems, Set Top Box, and DSL Modems
DSP and Core Communications Processor Supplies
Memory Power Supplies
Personal Computer Peripherals
Industrial Power Supplies
5V-Input DC-DC Regulators
Low Voltage Distributed Power Supplies
Pin Configurations
(TOP VIEW)
GND
VCC
DRV
FBL
2
3
4
8
7
6
5
UGATE
BOOT
SD
FB
SOP-8
DS9204/A-08 March 2007
www.richtek.com
1

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