KA1H0365R Datasheet, PDF (1/8 Pages) Fairchild Semiconductor – SPS

SPS
KA1H0365R
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.
TO-220F-4L
1.GND 2. DRAIN 3. V_CC 4. FB
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
KA1H0365R
Package
TO-220F-4L
Operating Temperature
−25°C to +85°C
BLOCK DIAGRAM
#3 V_CC
#4 FB
32V
5V
Internal
Vref
bias
Good
logic
5µA
7.5V
25V
9V
1mA
2.5R
1R
+
OSC
−
+
S
Q
R
L.E.B
0.1V
−
+
Thermal S/D
−
OVER VOLTAGE S/D
S
Q
R
Power on reset
© 1999 Fairchild Semiconductor Corporation
SFET
#2 DRAIN
#1 GND
Rev. B
1