EC9301A Datasheet, PDF (8/16 Pages) E-CMOS Corporation – 3A 150KHz PWM Buck DC/DC Converter

3A 150KHz PWM Buck DC/DC Converter EC9301A
Typical Application Circuit
Figure 11. Typical Application of EC9301A For 3.3V
Input Voltage
6V ~ 18V
6V ~ 45V
Inductor (L1)
47uh
68uh
Output Capacitor (Cout)
Through Hole Electrolytic Surface Mount Tantalum
470uf/25V
330uf/6.3V
560uf/25V
330uf/6.3V
Table 1. EC9301A Series Buck Regulator Design Procedure For 3.3V
Figure 12. Typical Application of EC9301A For 5V
Input Voltage
8V ~ 18V
8V ~ 45V
Inductor (L1)
33uh
47uh
Output Capacitor (Cout)
Through Hole Electrolytic Surface Mount Tantalum
330uf/25V
220uf/10V
470uf/25V
330uf/10V
Table 2. EC9301A Series Buck Regulator Design Procedure For 5V
E-CMOS Corp. (www.ecmos.com.tw)
Page 8 of 16
5J22N Rev. F001