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PDF 5M0965 Data sheet ( 特性 )

部品番号 5M0965
部品説明 KA5M0965
メーカ Fairchild
ロゴ Fairchild ロゴ 

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5M0965 Datasheet, 5M0965 PDF,ピン配置, 機能
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KA5M0965Q
Fairchild Power Switch(SPS)
www.fairchildsemi.com
Features
• Precision fixed operating frequency (70kHz)
• Low start-up current(typ. 100uA)
• Pulse by pulse current limiting
• Over Load protection
• Over current protection
• Over voltage protecton (Min. 25V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
• Latch 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 fre-
quency oscillator, under voltage lock-out, leading edge
blanking, optimized gate turn-on/turn-off driver, thermal
shutdown protection, over voltage protection, and tempera-
ture compensated precision current sources for loopcompen-
sation and fault protection circuitry. Compared to discrete
MOSFET and PWM controller or RCC solution, a SPS can
reduce total component count, design size, weight and at the
same time increase efficiency, productivity, and system reli-
ability. It has a basic platform well suited for cost-effective
design in either a flyback converter or a forward converter.
TO-3P-5L
1. DRAIN 2. GND 3. VCC 4. FB 5. S/S
Internal Block Diagram
Vcc Drain
31
OVP
+
OVP - ou t
27V -
VCC VREF 15V/9V
5uA 1mA
Feedback 4
Soft Start 5
2.5R
+ 5V
7.5V
- OLP
TSD
( TJ = 1 50)
OVP - ou t
( VC C = 2 7V)
OCL
( VS= 1 .4 V)
R
UVL O
Vref
OSC
CLK
INTERNAL
BIA S
Good Logic
SQ
-
LEB R
+
VO F FSE T
VOL TAG E
LIMIT Sense
CIRCUIT
FET
14V
VS
Power-on Reset
/Auto-restart
S
Q
R
Sh utd o wn
L at ch
Rsense
2 GND
LEB : Leading Edge Blanking
OCL : Over Current Limit
©2001 Fairchild Semiconductor Corporation
Rev.1.0.1

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