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KA5L0165RV-YDTU Datasheet

  • KA5L0165RV-YDTU

  • Fairchild Power Switch(SPS)

  • 14頁

  • FAIRCHILD

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www.fairchildsemi.com
KA5x0165Rxx-SERIES
KA5H0165R/RN, KA5M0165R/RN/RI, KA5L0165R/RN/RI
KA5H0165RV/RVN, KA5M0165RV/RVN, KA5L0165RV/RVN
Fairchild Power Switch(SPS)
Features
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Precision fixed operating frequency (100 / 67 / 50KHz )
Pulse by pulse current limiting
Over current protection
Over voltage protection (Min. 25V) -KA5x0165R/RN/RI
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
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 IC.
Included 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, and temperature compensated precision current
sources for loop compensation and fault protection circuitry.
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
either a flyback converter or a forward converter.
TO-220F-4L
8-DIP
I2-PAK-5L
1
1
1. GND
2. Drain
3. Vcc
4. FB
1.6.7.8. Drain
2. GND
3. Vcc
4. FB
5. NC
1
1. GND
2. Drain
3. Vcc
4. FB
5. S/S
Internal Block Diagram
V
CC
32V
5V
Vref
Good
logic
Soft Start
5V
uA
Internal
bias
DRAIN
SFET
OSC
S
R
Q
鈭?/div>
5碌A
1mA 2.5R
1R
9V
+
7.5V
鈭?/div>
+
27V
鈭?/div>
Thermal S/D
OVER VOLTAGE S/D
+
FB
L.E.B
0.1V
S
R
Q
GND
Power on reset
Rev.1.0.1
漏2001 Fairchild Semiconductor Corporation

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