AT1361
1MHz,1A Synchronous Buck Converter
Typical Application Circuit
L1:Sumida CDRH4D28-4R7
Figure 1 .Adjustable Voltage Regulator
Efficiency VS. Load Current
90
80
V IN =2.8V
70
V IN =3.6V
V IN =4.2V
60
50
40
30
10
100
Load Current(mA)
L1:Sumida CDRH4D28-4R7
Figure 2 .Buck-Boost Regulator
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
1/11/2008 REV:1.0
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email:service@aimtron.com.tw
5