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參數資料
| 型號： | FAN5232MTC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | SMPS Controller |
| 中文描述： | SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | TSSOP-14 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 76K |
| 代理商： | FAN5232MTC |
www.fairchildsemi.com
REV. 1.1.1 10/7/02
Features
Three outputs: Adjustable Buck, 3.3V-Always,
5V-Always
Adjustable synchronous switcher, 5V – 80% Vin
1% internal reference precision
Current mode with voltage feed-forward
Precision current limit option
Charge pump works at all loads
No shoot-through current
Independent shutdown pins for ACPI
Power Good, input UVLO, output OV
5.6V to 24V input voltage range
Applications
LCD PCs
Notebook PCs and PDAs
Hand-held portable instruments
Description
The FAN5232 is a high efficiency and high precision DC/DC
controller for PCs. It has a synchronous switcher whose
output can be adjusted from 5V up to 80% of Vin. It also has
two linear regulators for standby, 3.3V and 5V. The PWM
utilizes both input and output voltage feedback in a
current-mode control, allowing for fast and stable loop
response over a wide range of input and output variations.
Synchronous switching provides best efficiency over a wide
range of loads. Current sense based on MOSFET R
gives maximum efficiency, while also permitting use of an
optional sense resistor for high precision.
DS,on
The FAN5232 is available in a 14 pin TSSOP package.
Block Diagram
1
2
3
4
5
6
7
14
13
12
11
10
9
8
FAN5232
Vin = 16–22V
SDNADJ
3.3V-Always
5V-Always
SDWN
PWRGD
12V @ 8A
+
FAN5232
Adjustable PWM Buck Controller for LCD PCs
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| FAN5233 | System Electronics Regulator for Mobile PCs |
| FAN5233MTC | Analog IC |
| FAN5233MTCX | Analog IC |
| FAN5234MTC | Mobile-Friendly PWM/PFM Controller |
| FAN5234MTCX | Mobile-Friendly PWM/PFM Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5232MTC_NL | 功能描述:開關變換器、穩壓器與控制器 ANG FG 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 |
| FAN5232MTC_Q | 功能描述:開關變換器、穩壓器與控制器 DC/DC 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 |
| FAN5232MTCX | 功能描述:開關變換器、穩壓器與控制器 PWM Buck Controller adjustable 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 |
| FAN5233 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:System Electronics Regulator for Mobile PCs |
| FAN5233MTC | 功能描述:開關變換器、穩壓器與控制器 DC/DC 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 |
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