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參數資料
| 型號： | KA3S0680RFB |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Fairchild Power Switch(FPS) |
| 中文描述： | 4.48 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | TO-3PF, 5 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 143K |
| 代理商： | KA3S0680RFB |
2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.2
Features
Wide operatimg frequency range up to (150kHz)
Pulse by pulse over current limiting
Over load protection
Over voltage protecton (Min. 23V)
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
External sync terminal
Auto Restart Mode
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. controller IC features a trimmed oscillator,
under voltage lock out, leading edge blanking, optimized
gate turn-on/turn-off driver, thermal shut down protection,
over voltage protection, temperature compensated precision
current sources for loop compensation and fault protection
circuit. compared to discrete MOSFET and controller or
R
CC
switching converter 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 C-TV power supply.
TO-3PF-5L
1.DRAIN 2.GND 3.V
CC
4.FB 5.Sync
TO-3P-5L
1
1
Internal Block Diagram
#3 V
CC
32V
2
μ
A
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 Sync
9V
+
6.4V
K A3S 0680RB/K A3S 0680RFB
Fairchild Power S witch(FPS)
相關PDF資料 |
PDF描述 |
|---|---|
| KA3S0680RFB-TU | SLE130412-18 |
| KA3S0680RFB-YDTU | Fairchild Power Switch(FPS) |
| KA3S0680RF | Fairchild Power Switch(FPS) |
| KA3S0680RB | Fairchild Power Switch(FPS) |
| KA3S0765RF | SAMSUNG POWER SWITCH |
相關代理商/技術參數 |
參數描述 |
|---|---|
| KA3S0680RFBTU | 功能描述:電源開關 IC - 配電 RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| KA3S0680RFB-TU | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Fairchild Power Switch(FPS) |
| KA3S0680RFBYDTU | 功能描述:電源開關 IC - 配電 RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| KA3S0680RFB-YDTU | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Fairchild Power Switch(FPS) |
| KA3S0765R | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Fairchild Power Switch(SPS) |
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