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KA1H0380 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 KA1H0380
功能描述  SPS
Download  8 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

KA1H0380 数据表(HTML) 1 Page - Fairchild Semiconductor

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SPS
KA1H0380R
1
SPS
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 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
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 effective design in either
a flyback converter or a forward converter.
FEATURES
Precision fixed operating frequency (100kHz)
Pulse by pulse over current limiting
Over Current Protection
Over Voltage Protection (Min. 23V)
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
Auto restart
ORDERING INFORMATION
Device
Package
Operating Temperature
KA1H0380R
TO-220F-4L
−25°C to +85°C
TO-220F-4L
1.GND 2. DRAIN 3. VCC 4. FB
#3 VCC
32V
5
µA
9V
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
#2 DRAIN
#1 GND
#4 FB
BLOCK DIAGRAM
Rev. B
© 1999 Fairchild Semiconductor Corporation


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