150kHz 3A BUCK DC-DC CONVERTER
Typical Application
Data Sheet
AP3003
CIN
+
470µF
1 VIN
4
FEEDBACK
AP3003-3.3V
2
OUTPUT
GND
3
ON/OFF
5
L1
22µH
Regulated
DC Output
3A Load
D1
1N5822
+ COUT
220µF
L1: Sumida CDRH127/LDNP-220MC or Equivalent
Figure 19. Typical Application of AP3003-3.3V
12V
Unregulated
DC Input
CIN
+
470µF
1 VIN
4
FEEDBACK
AP3003-5.0V
2
OUTPUT
GND
3
ON/OFF
5
L1
22µH
Regulated
DC Output
3A Load
D1
1N5822
+ COUT
220µF
L1: Sumida CDRH127/LDNP-220MC or Equivalent
Figure 20. Typical Application of AP3003-5.0V
Feb. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
12