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參數資料
| 型號： | FAN5069 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | PWM and LDO Controller Combo |
| 中文描述： | PWM和LDO控制器組合 |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 379K |
| 代理商： | FAN5069 |
FAN5069 Rev. 1.1.0
1
www.fairchildsemi.com
October 2005
2005 Fairchild Semiconductor Corporation
F
FAN5069
PWM and LDO Controller Combo
Features
■
General Purpose PWM Regulator and LDO Controller
■
Input Voltage Range: 3V to 24V
■
Output Voltage Range: 0.8V to 15V
■
VCC
- 5V
- Shunt Regulator for 12V Operation
■
Support for Ceramic Cap on PWM Output
■
Programmable Current Limit for PWM Output
■
Programmable Switching Frequency (200KHz to 600KHz)
■
R
DS(ON)
Current Sensing
■
Internal Synchronous Boot Diode
■
Soft-Start for both PWM and LDO
■
Multi-Fault Protection with Optional Auto-restart
■
16-pin TSSOP Package
Applications
■
PC/Server Motherboard Peripherals
- VCC_MCH (1.5V), VDDQ (1.5V) and VTT_GTL(1.25V)
■
Power Supply for
- FPGA, DSP, Embedded Controllers, Graphic Card Proces-
sor, and Communication Processors
■
Industrial Power Supplies
■
High Power DC-to-DC Converters
Description
The FAN5069 combines a high efficiency PWM controller and a
LDO (Low DropOut) linear regulator controller. Synchronous
rectification provides high efficiency over a wide range of load
currents. Efficiency is further enhanced by using the low-side
MOSFET's R
DS(ON)
to sense current.
Both the linear and PWM regulator soft-start are controlled by a
single external capacitor, to limit in rush current from the supply
when the regulators are first enabled. Current limit for PWM is
also programmable.
The PWM regulator employs a Summing-Current-Mode control
with external compensation to achieve fast load transient
response and provide system design optimization.
FAN5069 is offered in both industrial temperature grade (-40°C
to +85°C) as well as commercial temperature grade (-10°C to
+85°C)
Ordering Information
Note: Contact Fairchild Sales for availability of other package options.
Part Number Operating Temp. Range Pb-Free
Package
Packing Method
Qty/Reel
FAN5069MTCX
-10°C to +85°C
Yes
16-Lead TSSOP
Tape and Reel
2500
FAN5069EMTCX
-40°C to +85°C
Yes
16-Lead TSSOP
Tape and Reel
2500
相關PDF資料 |
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| FAN5069EMTCX | PWM and LDO Controller Combo |
| FAN5070 | High Performance Programmable Synchronous DC-DC Controller |
| FAN5070M | Voltage-Mode SMPS Controller |
| FAN5071 | High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5069_06 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:PWM and LDO Controller Combo |
| FAN5069_08 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:PWM and LDO Controller Combo |
| FAN5069B_BAC3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5069C_BAD3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5069EMTCX | 功能描述:電流型 PWM 控制器 PWM and ULDO Controller Combo RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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