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FS6S1265RB Datasheet

  • FS6S1265RB

  • Fairchild Power Switch(FPS)

  • 13頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
FS6S-SERIES
FS6S0965RT/FS6S1265RB
Fairchild Power Switch(FPS)
Features
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Wide Operating Frequency Range Up to 150Khz
Lowest Cost SMPS Solution
Lowest External Components
Low Start up Current (max:170uA)
Low Operating Current (max:15mA)
Internal High Voltage SenseFET
Built-in Auto Restart Circuit
Over Voltage Protection (Auto Restart Mode)
Over Load Protection (Auto Restart Mode)
Over Current Protection With Latch Mode
Internal Thermal Protection With Latch Mode
Pulse By Pulse Over Current Limiting
Internal Burst Mode Controller for Stand-by Mode
Under Voltage Lockout With Hysteresis
External Sync. Terminal
Description
The Fairchild Power Switch(FPS) product family are
specially designed for an off line SMPS with minimal
external components. The Fairchild Power Switch(FPS)
consists of a high voltage power SenseFET and a current
mode PWM IC. Included PWM controller features the
integrated fixed oscillator, the under voltage lockout, the
optimized gate turn on/turn off driver, the thermal shut
down protection, the over voltage protection, and the
temperature compensated precision current sources for the
loop compensation and the fault protection circuitry.
Compared to a discrete MOSFET and a controller or a RCC
switching converter solution, a Fairchild Power Switch(FPS)
can reduce the total component count, design size, and
weight and at the same time increase efficiency,
productivity, and system reliability. It has a basic platform
well suited for the cost effective monitor power supply.
TO-220F-5L
TO-3P-5L
Application
鈥?Monitor SMPS
1
1
1. Drain 2. Gnd 3. V
CC
4. FeedBack 5. Sync.
Internal Block Diagram
Vcc
SoftStart
& Sync
Vref
Drain
3
Vpp=5.8/7.2V
OSC
Internal
Bias
Vref
Vfb
Vth=1V
Burst mode
controller
Vref
1
5
UVLO
S
Q
Ron
Vcc
Vth=11V/12V
R
Roff
Feedback
PWM
4
Ifb
2.5R
R
Vcc
Vfb Offset
Rsenese
Vref
Idelay
OLP
Vth=7.5V
Vcc
Vth=30V
OVP
UVLO Reset
(Vcc=9V)
OCL
Filter
(130nsec)
TS
D
Vth=1V
2
GND
S
R
Q
(Tj=160鈩?
Rev.1.0.6
漏2002 Fairchild Semiconductor Corporation

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