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KA3S0880RB Datasheet دیتاشیت PDF دانلود

دیتاشیت - Fairchild - Fairchild Power Switch(SPS)

شماره قطعه KA3S0880RB
شرح مفصل Fairchild Power Switch(SPS)
تولید کننده Fairchild 
آرم Fairchild 


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KA3S0880RB شرح
KA3S0880RB/KA3S0880RFB
Fairchild Power Switch(SPS)
www.fairchildsemi.com
Features
• Wide operating frequency range up to 150KHz
• Pulse by pulse over current limiting
• Over current protection
• Over voltage protection (Min. 23V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
• External sync terminal
• Auto Restart Mode
Description
The SPS product family is specially designed for an off-line
SMPS with minimal external components. The SPS consist of
high voltage power SenseFET and current mode PWM Control-
ler IC. PWM controller features integrated fixed oscillator,
under voltage lock out, leading edge blanking, optimized gate
turn-on/turn-off driver, thermal shut down protection, over volt-
age protection, temperature compensated precision current
sources for loop compensation and fault protection circuit.
Compared to discrete MOSFET and controller or RCC switch-
ing converter solution, a SPS 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 C-TV power supply.
TO-3P-5L
TO-3PF-5L
1
1
1. DRAIN 2. GND 3. VCC 4. FB 5. Sync
Internal Block Diagram
#3 VCC
#5 Sync
#4 FB
32V
5V +
6.4V
2µA 1mA 2.5R
9V 1R
+
5V
Vref
Good
logic
OSC
+
S
Q
R
L.E.B
0.1V
Internal
bias
7.5V
+
Thermal S/D
S
Q
R
25V
OVER VOLTAGE S/D
Power on reset
©2001 Fairchild Semiconductor Corporation
SFET
#1 DRAIN
#2 GND
Rev.1.0.1

قانون اساسیصفحه 14
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