rt9204 ETC-unknow, rt9204 Datasheet
rt9204
Manufacturer Part Number
rt9204
Description
Dual Regulator - Standard Buck Pwm Dc-dc And Linear Power Controller
Manufacturer
ETC-unknow
Datasheet
1.RT9204.pdf
(14 pages)
General Description
The RT9204 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 uses a 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 protects the converter and regulator by
monitoring the output under voltage.
Applications
DS9204-00 February 2002
Motherboard Power Regulation for Computers
Subsystems Power Supplies
Cable Modems, Set Top Box, and DSL Modems
DSP
Memory Power Supplies
Personal Computer Peripherals
Industrial Power Supplies
5V-Input DC-DC Regulators
Low Voltage Distributed Power Supplies
Supplies
Dual Regulator - Standard Buck PWM DC-DC and Linear
and
Core
Communications
processor
Preliminary
Features
Pin Configurations
Ordering Information
RT9204
(Plastic SOP-8)
RT9204CS
Operate from 5V
0.8V Internal Reference
Voltage Mode PWM Control
Fast Transient Response
Fixed 600kHz Oscillator Frequency
Full 0~100% Duty Cycle
Internal Soft Start
Internal PWM Loop Compensation
Part Number
Operating temperature range
C : Commercial standard
Package type
S : SOP-8
Power Controller
GND
VCC
DRV
Pin Configurations
FBL
1
2
3
4
TOP VIEW
www.richtek-ic.com.tw
RT9204
8
7
6
5
UGATE
BOOT
SD
FB
1
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