ka2s0680 Fairchild Semiconductor, ka2s0680 Datasheet
ka2s0680
Manufacturer Part Number
ka2s0680
Description
Smps Controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.KA2S0680.pdf
(8 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ka2s0680B-FYDTU
Manufacturer:
Samsung/Fsc
Quantity:
20 678
BLOCK DIAGRAM
SPS
SPS
The SPS product family is specially designed for an off line
SMPS with minimal external component. The SPS consist of
high voltage Power SenseFET and current mode PWM IC.
Included control IC features a trimmed 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
source 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 monitor power
supply.
FEATURES
•
•
•
•
•
•
•
•
•
1999 Fairchild Semiconductor Corporation
Wide operating frequency range up to 150kHz
Pulse by pulse over current limiting
Over load protection
Over voltage protection (Min. 23V)
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
External sync terminal
Latch up Mode
#5 Sync
#3 V
#4 FB
CC
5V
2 A
7.5V
25V
32V
1mA
+
+
9V
+
2.5R
OVER VOLTAGE S/D
1R
6.4V
Thermal S/D
+
OSC
Vref
5V
0.1V
L.E.B
Good
logic
S
R
ORDERING INFORMATION
KA2S0680
Q
Device
Power on reset
Internal
bias
S
R
Q
TO-3P-5L
Package
1.DRAIN 2. GND 3. V
TO-3P-5L
SFET
800V, 6A
Rating
CC
#1 DRAIN
#2 GND
25 C to +85 C
4. FB 5. Sync
Topr ( C)
KA2S0680
Rev. B
1
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