Data Sheet

1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER

AP3211

Jul. 2011

Rev. 1.3

BCD Semiconductor Manufacturing Limited

4

Absolute Maximum Ratings (Note 1)

Parameter

Symbol

Value

Unit

Input Pin Voltage

-0.3 to 20

V

EN Pin Voltage

V

SW Pin Voltage

21

V

Bootstrap Pin Voltage

V

Feedback Pin Voltage

-0.3 to 6V

V

Thermal Resistance

θ

JA

220

ºC/W

Operating Junction Temperature

150

ºC

Storage Temperature

-65 to 150

ºC

Lead Temperature (Soldering,

10sec)

260

ºC

Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to

the device. These are stress ratings only, and functional operation of the device at these or any other conditions

beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute

Maximum Ratings” for extended periods may affect device reliability.

Recommended Operating Conditions

Parameter

Symbol

Min

Max

Unit

Input Voltage

4.5

18

V

Maximum Output Current

1.5

A

Operating Ambient Temperature

-40

85

ºC