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參數(shù)資料
| 型號： | RT9205-ACS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| 中文描述： | 雙穩(wěn)壓器-同步降壓PWM型DC - DC和線性控制器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 316K |
| 代理商： | RT9205-ACS |
Preliminary
RT9205/A
DS9205/A-03 May 2003
www.richtek.com
1
Dual Regulators - Synchronous Buck PWM DC-DC and
Linear Controller
General Description
The RT9205/A is a dual-output power controllers
designed for high performance graphics cards and
personal
computers.
The
synchronous buck controller, a linear controller and
protection functions into a small 14-pin package.
IC
integrates
a
The RT9205/A uses an internal compensated voltage
mode PWM control for simplying design. An internal
0.8V reference allows the output voltage to be
precisely regulated to meet low output voltage
requirement. A fixed 300kHz oscillation frequency
reduces the component size for saving board area.
The RT9205/A also features over voltage protection
(OVP) and under voltage lock-out (UVLO).
Applications
z
PC Motherboard
z
Cable Modems, Set-Top-Box, and XDSL Modems
z
DSP and Core Communications Processor Supplies
z
Memory Power Supplies
z
Personal Computer Peripherals
z
Industrial Power Supplies
z
5V Input DC-DC Regulators
z
Low Voltage Distributed Power Supplies
z
Graphic Cards
Features
z
Operates at 5V
z
0.8V Internal Reference
z
Drives Two N-channel MOSFET
z
Voltage Mode PWM Control
z
Fast Transient Response
z
Fixed 300kHz Oscillator Frequency
z
Dynamic 0~100% Duty Cycle
z
Internal PWM Loop Compensation
z
Internal Soft-Start
z
Adaptive Non-overlapping Gate Driver
z
Over-voltage Protection Uses Lower MOSFET
Pin Configurations
Part Number
Pin Configurations
RT9205/ACS
(Plastic SOP-14)
TOP VIEW
Ordering Information
RT9205/A
LGATE
PGND
GND
VCC
1
2
3
4
14
13
12
11
UGATE
BOOT
NC
NC
DRV
FBL
NC
5
6
7
10
9
8
NC
FB
NC
Operating Temperature Range
C : Commercial Standard
Package Type
S : SOP-14
UVP : Hiccup Mode
UVP : Latch Mode
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| RT9205-ACS | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9205AGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205APS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205GS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205PS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9206 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:High Efficiency, Synchronous Buck with Dual Linear Controllers |
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