KA5H0265 Fairchild, KA5H0265 Datasheet
KA5H0265
Manufacturer Part Number
KA5H0265
Description
Fairchild Power Switch(FPS)
Manufacturer
Fairchild
Datasheet
1.KA5H0265.pdf
(14 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
KA5H0265R
Manufacturer:
FSC
Quantity:
20 000
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Part Number:
KA5H0265RC
Manufacturer:
FSC
Quantity:
42
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Part Number:
KA5H0265RC
Manufacturer:
FAIRCHILD
Quantity:
247
Company:
Part Number:
KA5H0265RCTU
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FAIRCHILD
Quantity:
45 000
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Part Number:
KA5H0265RCTU
Manufacturer:
HITACHI
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5 000
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Part Number:
KA5H0265RCYDTU
Manufacturer:
FAIRCHILD
Quantity:
4 950
Features
• Precision Fixed Operating Frequency (100/67/50kHz)
• Low Start-up Current (Typ. 100uA)
• Pulse by Pulse Current Limiting
• Over Load Protection
• Over Voltage Protection (Min. 25V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto-Restart Mode
Internal Block Diagram
©2003 Fairchild Semiconductor Corporation
KA5x02xx-SERIES
KA5H0265RC, KA5M0265R, KA5L0265R,
KA5H02659RN/KA5M02659RN, KA5H0280R,
KA5M0280R
Fairchild Power Switch(FPS)
*
Soft Start
V
CC
FB
* KA5H0265RC
uA
5V
5 A
7.5V
27V
32V
1mA
+
+
9V
2.5R
OVER VOLTAGE S/D
1R
Thermal S/D
+
OSC
Vref
5V
0.1V
L.E.B
Good
logic
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 oscillator, under
voltage lock out, leading edge blanking, optimized gate turn-on/
turn-off driver, thermal shut down protection, over voltage
protection, and temperature compensated precision current
sources for loop compensation and fault protection circuitry-
compared to discrete MOSFET and controller or R
switching converter solution. The 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.
S
R
Q
1
TO-220F-4L
Power on reset
Internal
1. GND
2. Drain
3. Vcc
4. FB
bias
S
R
Q
1.6.7.8. Drain
2. GND
3. Vcc
4. FB
5. NC
8-DIP
SFET
1
www.fairchildsemi.com
1
DRAIN
GND
TO220-5L
1. Drain
2. GND
3. Vcc
4. FB
5. S/S
CC
Rev.1.0.4
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