UC3552
TYPICAL APPLICATION CIRCUIT
CMOS IC
VOUT
L 6.8µH
SW
D1
VDD
2.6V~5V
VDD
SHDN
ON/OFF
COUT
33µF
R1 274kΩ
C1
3.3µF
C2
0.47µF
R2 44.2kΩ
UTC
IN
UC3552
SS
CSS
27nF
1.2MHz
GND
FREQ
EO
640KHz
CEO2
33pF
CEO
1.3nF
REO
47KΩ
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R502-134.A