參數(shù)資料
型號: FAN5069EMTCX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: PWM and LDO Controller Combo
中文描述: 0.15 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, TSSOP-16
文件頁數(shù): 1/20頁
文件大?。?/td> 379K
代理商: FAN5069EMTCX
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
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