Data Sheet
340kHz, 3A Synchronous DC-DC Buck Converter
AP3503F
Typical Performance Characteristics (Continued)
TA=25ºC, VIN=12V, VOUT=3.3V, unless otherwise noted.
VEN
VEN
2V/div
2V/div
VSS
VSS
2V/div
2V/div
VOUT
VOUT
2V/div
2V/div
IL
IL
2A/div
2A/div
Time 10ms/div
Time 200μs/div
Figure 12. Enable Turn on Characteristic
(VIN=12V, VEN=3.3V, VOUT=3.3V, IL=3A)
Figure 13. Enable Turn off Characteristic
(VIN=12V, VEN=3.3V, VOUT=3.3V, IL=3A)
VOUT
2V/div
VOUT
2V/div
IL
2A/div
IL
2A/div
Time 40μs/div
Time 40μs/div
Figure 14. Short Circuit Protection (IOUT=0A)
Figure 15. Short Circuit Recovery (IOUT=0A)
Oct. 2012 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
8
DIODES [ DIODES INCORPORATED ]
