Diodes AP1510 Manual do Utilizador descarregar pdf (Página 3)

AP1510

PWM CONTROL 3A STEP-DOWN CONVERTER

AP1510 Rev. 7 3 of 9 JULY 2009

DS31018 www.diodes.com © Diodes Incorporated

Block Diagram

Oscillation

Circuit

Reference Voltage

Source with Soft Start

PWM-Switched

Control Circuit

VssV

100uA

OCSET

Vcc

Thermal

Shutdown

Output

Absolute Maximum Ratings

Symbol Parameter Rating Unit

Pin Voltage V

- 0.3 to V

+ 25 V

Feedback Pin Voltage V

- 0.3 to V

EN Pin Voltage V

- 0.3 to V

+ 0.3 V

OUT

Switch Pin Voltage V

- 0.3 to V

+ 0.3 V

Power Dissipation Internall

limited mW

Operating Junction Temperature Range -20 to +125

Storage Temperature Range -65 to +150

Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be

exceeded under any conditions.

Recommended Operating Conditions

Symbol Parameter Min Max Unit

Input Voltage 3.6 23 V

OUT

Output Current 0 3 A

Operating Ambient Temperature -25 85

1 2 3 4 5 6 7 8 9

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