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PDF KA2S0680 Data sheet ( Hoja de datos )
| Número de pieza | KA2S0680 | |
| Descripción | SPS | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KA2S0680 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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SPS
KA2S0680
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.
TO-3P-5L
1.DRAIN 2. GND 3. VCC 4. FB 5. Sync
FEATURES
• 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
BLOCK DIAGRAM
ORDERING INFORMATION
Device Package Rating
KA2S0680 TO-3P-5L 800V, 6A
Topr (°C)
−25°C to +85°C
#3 VCC
#5 Sync
#4 FB
32V
−
5V +
6.4V
2µA 1mA 2.5R
9V 1R
+
5V Internal
Vref bias
Good
logic
OSC
−
+
S
Q
R
L.E.B
0.1V
7.5V −
+ Thermal S/D
25V −
OVER VOLTAGE S/D
S
Q
R
Power on reset
SFET
#1 DRAIN
#2 GND
© 1999 Fairchild Semiconductor Corporation
Rev. B
1
1 page  
SPS
TYPICAL PERFORMANCE CHARACTERISTICS
(These characteristic graphs are normalized at Ta=25°C)
KA2S0680
Figure 1. Operating Frequency
Figure 2. Feedback Source Current
Figure 3. Operating Current
Figure 4. Max. Inductor Current
Figure 5. Start up Current
Figure 6. Start Threshold Voltage
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet KA2S0680.PDF ] | |
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