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PDF FA7701V Data sheet ( Hoja de datos )
| Número de pieza | FA7701V | |
| Descripción | Power Supply Control IC | |
| Fabricantes | Fuji | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FA7701V (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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Quality is our message
FUJI Power Supply Control IC
FA7700V/01V
Application Note
Dec -2000
Fuji Electric Co., Ltd.
Matsumoto Factory
h tt p :// st or e. ii i1c .c c/
http://www.Datasheet4U.com
1 page  
4． Block diagram
Quality is our message
2.2V
+
-
ＦＢ
-
+
+
-
+
-
VREF
2.2V
+
-
ＦＢ
-
+
+
-
+
-
5． Pin assignment
Pin
No.
Pin Name
1 RT Oscillator timing resistor
Function
2 REF Internal bias voltage
3 IN(-) Error amplifier inverting input
4 FB Error amplifier output
5 GND Ground
6 OUT Output for driving switching device
7 VCC Power supply
8 CS ON/OFF, Soft start, Timer latched short circuit protection
h tt p :// st or e. ii i5c .c c/
5 Page 
Quality is our message
Vcc vs. Operating mode supply current
2.0 Duty=50%
IN(-)-FB:shorted
1.5 fosc=1MHz
1.0
fosc=185kHz
0.5
0.0
00 .5 11 .5 2 2.5 3
Vcc [V]
OFF mode supply current vs. temperature
CS=0V
60
55
50 Vcc=20V
45
40
Vcc= 6V
35
30
-40 -20 0
204 0 608 0 100
Temperature Ta [℃]
Vcc vs. operating mode supply current
3.0 Duty=50%
IN(-)-FB:shorted
2.5
2.0 fosc=1MHz
1.5 fosc=185kHz
1.0
0.5
0.0
4 6 8 10 12 14 16 182 0
Vcc [V]
Operating mode supply current vs. temperature
1.5 RT=22kΩ
1.4 Vcc=20V (Duty=50%)
1.3
1.2
1.1 Vcc= 6V (Duty=50%)
1.0
0.9
0.8
Vcc= 6V (Duty=0%)
0.7
0.6
-40
-20
0 20 40 60
Temperature Ta [℃]
80 100
Latched mode supply current vs. temperature
1.00 Vcc=6V
RT=22kΩ
0.95 CS>2.35V
0.90
0.85
0.80
0.75
0.70
-40
-20
0 20 40 60
Temperature Ta [℃]
80 100
3.0
2.5
2.0
1.5
1.0
0.5
0.0
10
Oscillation frequency vs.
operating mode supply current
VCC=6V
Duty=50%
100
Oscillation frequency [kHz]
1000
h tt p :// st or e. ii i1c .1c c/
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet FA7701V.PDF ] | |
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