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FC3255 Datasheet(PDF) 14 Page - First Components International

Part # FC3255
Description  1.5A PWM Switching Regulators
PDF  18 Pages
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Manufacturer  FCI [First Components International]
Direct Link  http://www.cotra.com.tw/
Logo FCI - First Components International

FC3255 Datasheet(HTML) 14 Page - First Components International

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Figure 18. Additional Application Diagram, 5.0V to -12V/ 75mA
Inverting Converter
+
+
C2
D2
C3
D1
C4
R2
1
2
3
4
5
6
7
8
22µF
VOUT
-12 V
VC
Test
NFB
SS
0.01µF
C1
VSW
VCC
AGND
PGND
VCC
SS
5.0 V
5.0 k
R1
R3
1.27 k
4.87 k
MBRS120T3
MBRS120T3
L1
22µF
22µH
22µF
3255
3.3 VIN
VC (1)
FB (2)
0.1 µF
VCC (5)
AGND (6)
PGND (7)
VSW (8)
200 pF
MBRS120T3
22 µF
22 µH
Figure 17. Additional Application Diagram, 3.3 V Input, 5.0 V/ 400mA
Output Boost Converter
10 µF
GND
5.0 k
3.6 k
GND
5.0 VO
1.3 k
Figure 19. Additional Application Diagram, 2.7 to 13 V Input, ±12 V/ 200 mA Output
Flyback Converter
3255
µF
µF
µF
µF
+
+
+
+12 V
VC (1 )
FB (2)
VCC (5)
AGND (6)
PGND (7)
VSW (8)
MBRS140T3
22
47
1.0
GND
2.0 k
10.72 k
GND
1.28 k
47
47 nF
4.7 nF
VCC
-12 V
T1
1:2
P6KE-15A
1N4148
MBRS140T3
+
FC3255 1.5A PWM Switching Regulators



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