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KA5M0765RQCTU Datasheet

  • KA5M0765RQCTU

  • Fairchild Power Switch(SPS)

  • 12頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
KA5M0765RQC
Fairchild Power Switch(FPS)
Features
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Precision Fixed Operating Frequency (70kHz)
Low Start-up Current (Typ. 100碌A(chǔ))
Pulse by Pulse Current Limiting
Over Load Protection
Over Current Protection
Over Voltage Protection (Min. 25V)
Internal Thermal Shutdown Function
Under Voltage Lockout
Internal High Voltage Sense FET
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 IC. Included
PWM controller features integrated fixed frequency oscillator,
under voltage lock-out, leading edge blanking, optimized gate
turn-on/turn-off driver, thermal shutdown protection, over
voltage protection, and temperature compensated precision
current sources for loop compensation and fault protection
circuitry. compared to discrete MOSFET and PWM controller
or R
CC
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 design in
either a flyback converter or a forward converter.
TO-220-5L
1
1. DRAIN 2. GND 3. V
CC
4. FB 5. S/S
Internal Block Diagram
Vcc
3
+
27V
Drain
1
UVLO
INTERNAL
BIAS
Good Logic
CLK
OVP
OVP-out
V
CC
V
REF
5uA
15V/9V
1mA
-
Vref
VOLTAG E
Sense
LIMIT
CIRCUIT
FET
OSC
Feedback 4
Soft Start 5
+
7.5V
5V
OLP
2.5R
14V
S
-
+
LEB
V
O F F S E T
Q
R
R
-
TSD
(T
J
=150
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)
OVP-out
(V
CC
=27V)
OCL
(V
S
=1.4V)
V
S
Rsense
Q
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LEB : Leading Edge Blanking
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OCL : Over Curr ent Limit
S
Power-on Reset
/Auto-restart
R
2 GND
Shutdown
Lat ch
Rev.1.0.5
漏2004 Fairchild Semiconductor Corporation

KA5M0765RQCTU 產(chǎn)品屬性

  • Fairchild Semiconductor

  • 開(kāi)關(guān)變換器、穩(wěn)壓器與控制器

  • Through Hole

  • TO-220

  • Tube

  • 50

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