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?2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
September 2006
FAN5069 Rev. 1.1.5
FAN5069
PWM and LDO Controller Combo
Features
?SPAN class="pst FAN5069EMTCX_2464147_1">  General Purpose PWM Regulator and LDO Controller
?SPAN class="pst FAN5069EMTCX_2464147_1">  Input Voltage Range: 3V to 24V
?SPAN class="pst FAN5069EMTCX_2464147_1">  Output Voltage Range: 0.8V to 15V
 V
CC
 5V
?SPAN class="pst FAN5069EMTCX_2464147_1">  Shunt Regulator for 12V Operation
?SPAN class="pst FAN5069EMTCX_2464147_1">  Support for Ceramic Cap on PWM Output
?SPAN class="pst FAN5069EMTCX_2464147_1">  Programmable Current Limit for PWM Output
?SPAN class="pst FAN5069EMTCX_2464147_1">  Programmable Switching Frequency (200KHz to 
600KHz)
?SPAN class="pst FAN5069EMTCX_2464147_1">  R
DS(ON)
 Current Sensing
?SPAN class="pst FAN5069EMTCX_2464147_1">  Internal Synchronous Boot Diode
?SPAN class="pst FAN5069EMTCX_2464147_1">  Soft-Start for both PWM and LDO
?SPAN class="pst FAN5069EMTCX_2464147_1">  Multi-Fault Protection with Optional Auto-restart
?SPAN class="pst FAN5069EMTCX_2464147_1">  16-pin TSSOP Package
Applications
?SPAN class="pst FAN5069EMTCX_2464147_1">  PC/Server Motherboard Peripherals
 V
CC_MCH
 (1.5V), V
DDQ
 (1.5V) and
V
TT_GTL
 (1.25V)
?SPAN class="pst FAN5069EMTCX_2464147_1">  Power Supply for 
 FPGA, DSP, Embedded Controllers, Graphic Card
Processor, and Communication Processors
?SPAN class="pst FAN5069EMTCX_2464147_1">  Industrial Power Supplies
?SPAN class="pst FAN5069EMTCX_2464147_1">  High-Power DC-to-DC Converters
Description
The FAN5069 combines a high-efficiency Pulse-Width-
Modulated (PWM) controller and an LDO (Low DropOut)
linear regulator controller. Synchronous rectification pro-
vides high efficiency over a wide range of load currents.
Efficiency is further enhanced by using the low-side
MOSFETs R
DS(ON)
 to sense current.
Both the linear and PWM regulator soft-start are con-
trolled by a single external capacitor, to limit in-rush cur-
rent 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 design optimization.
FAN5069 is offered in both industrial temperature grade
(-40癈 to +85癈) as well as commercial temperature
grade (-10癈 to +85癈).
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癈 to +85癈
Yes
16-Lead TSSOP
Tape and Reel
2500
FAN5069EMTCX
-40癈 to +85癈
Yes
16-Lead TSSOP
Tape and Reel
2500
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相关代理商/技术参数
FAN5069MTCX 功能描述:开关变换器、稳压器与控制器 PWM and ULDO Controller Combo RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
FAN5070 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:High Performance Programmable Synchronous DC-DC Controller
FAN5070M 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Voltage-Mode SMPS Controller
FAN5071 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms
FAN5071AB WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN5071M 功能描述:DC/DC 开关控制器 DC/DC RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
FAN5071MX 制造商:Rochester Electronics LLC 功能描述:- Bulk
FAN5077MPX 制造商:Fairchild Semiconductor Corporation 功能描述: