FA7764 Datasheet, PDF (17/18 Pages) Fuji Electric – FUJI Power Supply Control IC

10. Example of applied circuits
FA7764
(1) Output voltage is between 3.1V and 5.5V.
CIN
RT
CREG
ENB
1 CREG
VCC 8
2 ENB
OUT 7
3 RT
VBIAS 6
4 GND
IN 5
IC
R3
L1
CV
D1
CB
R1
Cout
C1
(2) Output voltage is less than 3.1V or more than 5.5V.
CIN
RT
CREG
ENB
1 CREG
VCC 8
2 ENB
OUT 7
3 RT
VBIAS 6
4 GND
IN 5
IC
R3
L1
CV
D1
Cout
R1
C1
When you determine values and external discrete components, examine under the actual circuit condition.
Fuji Electric Systems Co., Ltd.
AN-059E Rev.1.0
17
June.2010
http://www.fujielectric.co.jp/fdt/scd/