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參數(shù)資料
| 型號： | RT9206 |
| 英文描述： | Step-down DC/DC Converter |
| 中文描述： | 降壓直流/直流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 315K |
| 代理商： | RT9206 |
Preliminary
RT9203/A
DS9203/A-04 May 2003
www.richtek.com
1
Dual Regulators - Synchronous Buck PWM DC-DC and
Linear Controller
General Description
The RT9203/A is a dual-output power controllers
designed for high performance graphics cards and
personal computers. The IC integrates a synchronous
buck controller, a linear controller and protection
functions into a small 8-pin package.
The RT9203/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 RT9203/A also features over voltage protection
(OVP) and under voltage lock-out (UVLO).
Applications
z
PC Motherboard
z
Cable Modems, Set-Top-Box, and DSL 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
RT9203/ACS
(Plastic SOP-8)
TOP VIEW
Ordering Information
RT9203/A
BOOT
UGATE
GND
LGATE
1
2
3
4
8
7
6
5
FB
FBL
DRV
VCC
Operating Temperature Range
C : Commercial Standard
Package Type
S : SOP-8
UVP : Hiccup Mode
UVP : Latch Mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9206GS | 功能描述:IC REG TRPL BCK/LINEAR 16SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| RT9206PS | 制造商:Richtek Technology Corporation 功能描述: |
| RT9209 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Synchronous Buck PWM DC-DC with Enable & PGOOD |
| RT9209AGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Synchronous Buck PWM DC-DC with Enable & PGOOD |
| RT9209APS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Synchronous Buck PWM DC-DC with Enable & PGOOD |
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