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KA1M0765R-TU 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 KA1M0765R-TU
功能描述  Fairchild Power Switch(FPS)
Download  12 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

KA1M0765R-TU 数据表(HTML) 1 Page - Fairchild Semiconductor

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©2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.2
Features
• Precision fixed operating frequency (67kHz)
• Pulse by pulse current limiting
• Over load protection
• Over voltage protecton (Min. 23V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
•Auto restart
•Soft start
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) consist of
high voltage power SenseFET and current mode PWM
controller IC. PWM controller features integrated fixed
frequency oscillator, under voltage lock out, leading edge
blanking, optimized gate turn-on/turn-off driver, thermal
shutdown protection, over voltage protection, temperature
compensated precision current sources for loop
compensation and fault protection circuit. compared to
discrete MOSFET and PWM controller or RCC solution, a
Fairchild Power Switch(FPS) can reduce total component
count, design size, weight and at the same time increase
efficiency, productivity, and system reliability. It has a basic
platform well suited for cost effective design in either a
flyback converter or a forward converter.
TO-220-5L
1. DRAIN 2. GND 3. Vcc 4. FB 5. S/S
TO-3P-5L
1
1
Internal Block Diagram
#3 VCC
32V
5
µA
5V
2.5R
1R
1mA
0.1V
+
OVER VOLTAGE S/D
+
7.5V
25V
Thermal S/D
S
R
Q
Power on reset
+
L.E.B
S
R
Q
OSC
5V
Vref
Internal
bias
Good
logic
SFET
#1 DRAIN
#2 GND
#4 FB
#5 Soft Start
9V
KA1M0765R/KA1M0765RC
Fairchild Power Switch(FPS)


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