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參數資料
| 型號： | FAN5037M |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Analog IC |
| 中文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 101K |
| 代理商： | FAN5037M |
www.fairchildsemi.com
REV. 1.0.3 9/26/01
Features
High power switch-mode DC-DC controller can provide
in excess of 13A
Output voltage adjustable from 1.2V to 3.6V
85% efficiency
Cumulative accuracy < 3% over line, load, and
temperature variations
Overvoltage and short circuit protection
Built-in soft start
No overshoot at turn-on
Applications
I/O and AGP power for desktop computers
High efficiency power for ASICs
High efficiency power for DSPs
Adjustable step-down power supplies
Description
The FAN5037 is a high power, switch-mode DC-DC control-
ler that provides efficient power for all low-voltage applica-
tions. This controller has a built-in Soft Start feature which
offers system protection during power-up by reducing both
inrush current and output overshoot. When combined with
the appropriate external circuitry, the FAN5037 can deliver
load currents as high as 13A at efficiencies as high as 88%.
The FAN5037 can generate output voltages from 1.2V up to
3.6V using external resistors.
The FAN5037 is designed to operate in a constant on-time
control mode under all load conditions. Its accurate low TC
reference eliminates the need for precision external compo-
nents in order to achieve the tight tolerance voltage regula-
tion required by many applications. Short circuit current
protection is provided through the use of a current sense
resistor, while overvoltage protection is provided internally.
Block Diagram
Feedback Control
Oscillator
Digital Logic
FAN5037
1.20V
Reference
Vout
+12V
5V
+5V
1
CEXT
VCCA 2
IFBL 4
IFBH 3
VCCP 8
7
DRV
GNDP 6
VFB 5
FAN5037
Adjustable S witc hing Regulator Controller
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5037M_Q | 功能描述:開關變換器、穩壓器與控制器 Switching Controller adustable RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5037MX | 功能描述:DC/DC 開關控制器 Switching Controller adustable RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5038 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual Voltage Controller for DSP Power |
| FAN5038M | 功能描述:數字信號處理器和控制器 - DSP, DSC Dual Volt Controller DSP Power RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| FAN5038MX | 功能描述:數字信號處理器和控制器 - DSP, DSC Dual Volt Controller DSP Power RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
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