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KA5L0380R Datasheet دیتاشیت PDF دانلود

دیتاشیت - Fairchild - Fairchild Power Switch(FPS)

شماره قطعه KA5L0380R
شرح مفصل Fairchild Power Switch(FPS)
تولید کننده Fairchild 
آرم Fairchild 


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KA5L0380R شرح
www.fairchildsemi.com
KA5x03xx-SERIES
KA5H0365R, KA5M0365R, KA5L0365R
KA5H0380R, KA5M0380R, KA5L0380R
Fairchild Power Switch(FPS)
Features
• Precision Fixed Operating Frequency (100/67/50kHz)
• Low Start-up Current(Typ. 100uA)
• Pulse by Pulse Current Limiting
• Over Current Protection
• Over Voltage Protection (Min. 25V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto-Restart Mode
Applications
• SMPS for VCR, SVR, STB, DVD & DVCD
• SMPS for Printer, Facsimile & Scanner
• Adaptor for Camcorder
Description
The Fairchild Power Switch(FPS) product family is 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 integrates the fixed frequency
oscillator, the under voltage lock-out, the leading edge
blanking, the optimized gate turn-on/turn-off driver, the
thermal shutdown 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 PWM controller or
an RCCsolution, 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 design in either a flyback converter or a forward
converter
TO-220F-4L
Internal Block Diagram
1
1. GND 2. Drain 3. VCC 4. FB
#3 VCC
#4 FB
32V 5V Internal
Vref bias
Good
logic
5μA
7.5V
27V
OSC
9V
1mA
S
Q
R
2.5R
1R
+
L.E.B
0.1V
+
+ Thermal S/D
S
Q
R
OVER VOLTAGE S/D
Power on reset
©2003 Fairchild Semiconductor Corporation
SFET
#2 DRAIN
#1 GND
Rev.1.0.7

قانون اساسیصفحه 15
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