Data sheet, Typical performance characteristics (continued) – Diodes AP3503F User Manual

Page 8

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Data Sheet

340kHz, 3A Synchronous DC-DC Buck Converter AP3503F

Oct. 2012 Rev. 1. 3 BCD Semiconductor Manufacturing Limited

8

Typical Performance Characteristics (Continued)

T

A

=25ºC, V

IN

=12V, V

OUT

=3.3V, unless otherwise noted.











Figure 12. Enable Turn on Characteristic Figure 13. Enable Turn off Characteristic

(V

IN

=12V, V

EN

=3.3V, V

OUT

=3.3V, I

L

=3A) (V

IN

=12V, V

EN

=3.3V, V

OUT

=3.3V, I

L

=3A)













Figure 14. Short Circuit Protection (I

OUT

=0A) Figure 15. Short Circuit Recovery (I

OUT

=0A)




V

OUT

2V/div

I

L

2A/div

Time 40

μs/div

I

L

2A/div

Time 40

μs/div

V

EN

2V/div

V

SS

2V/div

V

OUT

2V/div

I

L

2A/div

Time 10ms/div

Time 200

μs/div

V

EN

2V/div

V

SS

2V/div

V

OUT

2V/div

I

L

2A/div

V

OUT

2V/div

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