MB3778 Datasheet, PDF (10/29 Pages) Fujitsu Component Limited. – Switching Regulator Controller

MB3778
s APPLICATION CIRCUIT
• Chopper Type Step Down/inverting
CTL
VIN (10 V)
820 pF
8.2 kΩ
1.8 kΩ
4.7 kΩ
4.7 kΩ
150
0.033 kΩ
µF
4.7 kΩ
10 kΩ
−+
1 µF
2.4 kΩ
1
16
2
15
3
14
4
13
MB3778
5
12
6
11
7
10
8
9
0.1 µF
56 µH
1.8 kΩ
150 _0.033
kΩ
µF
10 kΩ
+−
1 µF
220 µF
−+
5.6 kΩ
330 Ω
330 Ω
9.1 kΩ
VO^−
( −5 V)
120 µH
−+
220 µF
330 Ω
330 Ω
120 µH
−+
220 µF
GND
VO⁺
( 5 V)
10