Diodes AP6507 Manuel d'utilisateur télécharger pdf (Page 7)

AP6507

500 kHz 18V 3A SYNCHRONOUS DC/DC BUCK CONVERTER

AP6507

Document number: DS33435 Rev. 3 - 2

7 of 13

www.diodes.com

October 2011

© Diodes Incorporated

NEW PRODUCT

Typical Performance Characteristics

V

IN

= 12V, V

OUT

= 1.2V, L = 3.3µH, C1 = 22µF, C2 = 47µF, T

A

= +25°C, unless otherwise noted

Time- 2µs/div

Steady State Test

I

OUT

=3A

Time- 200µs/div

Load Transient Test

I

OUT

=1.5A to 3A. Step at 0.8A/µs

Time- 500us/div

Start-up Through Enable (No Load)

Time- 2ms/div

Start-up through V

IN

(No load)

Time- 50µs/div

Shutdown Through Enable (No Load)

Time- 50µs/div

Shutdown Through Enable (I

OUT

=1A)

Time- 50µs/div

Short Circuit Entry

Time- 100µs/div

Short Circuit Recovery

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