3502EM-G1 Ver la hoja de datos (PDF) - BCD Semiconductor
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3502EM-G1 Datasheet PDF : 11 Pages
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Preliminary Datasheet
340kHz, 2A Synchronous DC-DC Buck Converter
AP3502E
Typical Performance Characteristics (Continued)
TA=25ºC, VIN=12V, VOUT=3.3V, unless otherwise noted.
VEN
2V/div
VSS
2V/div
VOUT
2V/div
IL
1A/div
Time 4ms/div
VEN
2V/div
VSS
2V/div
VOUT
2V/div
IL
1A/div
Time 200µs/div
Figure 12. Enable Turn-on Characteristic
(VIN=12V, VEN=3.3V, VOUT=3.3V, IOUT=2A)
Figure 13. Enable Turn-off Characteristic
(VIN=12V, VEN=3.3V, VOUT=3.3V, IOUT=2A)
VOUT
2V/div
VSW
10V/div
VSS
1V/div
IL
2A/div
Time 40ms/div
VOUT
2V/div
VSW
10V/div
VSS
1V/div
IL
2A/div
Time 40ms/div
Figure 14. Short Circuit Protection (IOUT=2A)
Figure 15. Short Circuit Recovery (IOUT=2A)
May. 2012 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
8
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