Absolute Maximum Ratings

1

Thermal Information

3

Symbol

Description

Value

Units

P

D

Maximum Power Dissipation

4

2.7

W

θ

JA

Thermal Resistance

37

°C/W

Symbol

Description

Value

Units

V

Input Voltage

-0.3 to 14

V

V

LX

LX to GND Voltage

-0.3 to V

V

V

FB

FB to GND Voltage

-0.3 to V

V

V

EN

EN to GND Voltage

-0.3 to V

V

T

J

Operating Junction Temperature Range

-40 to 150

°C

AAT1162

12V, 1.5A Step-Down DC/DC Converter

1162.2007.09.1.2

3

1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions

other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.

2. Based on long-term current density limitation.

3. Mounted on an FR4 board.

4. Derate 2.7mW/°C above 25°C.