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參數資料
| 型號： | KA5X03XX |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Fairchild Power Switch(FPS) |
| 中文描述： | 飛兆半導體功率開關（FPS） |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 944K |
| 代理商： | KA5X03XX |
2002 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.5
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
Internal Block Diagram
#3 V
CC
32V
5
μ
A
9V
2.5R
1R
1mA
0.1V
+
OVER VOLTAGE S/D
+
7.5V
27V
Thermal S/D
S
R
Q
Power on reset
+
L.E.B
S
R
Q
OSC
5V
Vref
Internal
bias
Good
logic
SFET
#2 DRAIN
#1 GND
#4 FB
(*#3 V
CC
)
(*#4 FB)
(*#1.6.7.8 DRAIN)
(*#2 GND)
*Asterisk - KA5M0365RN, KA5L0365RN
K A5x03xx-S ERIES
K A5H0365R, K A5M0365R, K A5L0365R, K A5M0365RN,
K A5L0365RN, K A5H0380R, K A5M0380R, K A5L0380R
Fairchild Power S w itch(FPS )
TO-220F-4L
1. GND 2. Drain 3. V
CC
4. FB
1
8-DIP
1.6.7.8 Drain
2. GND
3. V
CC
4. FB 5. NC
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相關代理商/技術參數 |
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|---|---|
| KA5X03XX_03 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Fairchild Power Switch(FPS) |
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