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參數資料
| 型號： | KA1M0965R |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Fairchild Power Switch(SPS)(Fairchild 電源開關) |
| 中文描述： | 6.72 A SWITCHING REGULATOR, 70 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-3P, 5 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 80K |
| 代理商： | KA1M0965R |
2000 Fairchild Semiconductor International
www.fairchildsemi.com
Rev. .5.0
Features
Precision fixed operating frequency (67KHz)
Pulse by pulse over current limiting
Over load protection
Over voltage protection (Min. 23V)
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
Auto restart
Soft start
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-
Controller 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 voltage protection, temperature compensated
precision current sources for loop compensation and fault
protection circuit. Compared to discrete MOSFET and con-
troller or RCC switching 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 effec-
tive design in either a flyback converter or a forward con-
verter.
TO-3P-5L
1. DRAIN 2. GND 3. V
CC
4. FB 5. S/S
1
Internal Block Diagram
#3 V
CC
32V
5
μ
A
5V
2.5R
1R
1mA
5V
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
KA1M0965R
Fairchild Power Switch(SPS)
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