Diodes AP1538 Manuel d'utilisateur télécharger pdf (Page 7)

AP1538

18V 3A 300KHz BUCK CONVERTER

AP1538 Rev. 5 7 of 13 OCTOBER 2009

DS31451 www.diodes.com © Diodes Incorporated

Typical Performance Characteristics (Continued)

Current Limit vs. Temperature

(V

IN

=12V, R

OCSET

=6.8k)

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

-25 0 25 50 75 100

Ambient Temperature (C)

Current Limit (A)

V

OUT

Ripple

(V

IN

= 12V, V

OUT

= 3.3V, I

OUT

= 0.1A)

V

OUT

Ripple

(V

IN

= 12V, V

OUT

= 3.3V, I

OUT

= 3.0A)

Load Transient Response

(V

IN

= 12V, V

OUT

= 3.3V, I

OUT

= 0.1~3A)

1 2 3 4 5 6 7 8 9 10 11 12 13

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