AAT1150 Ver la hoja de datos (PDF) - Advanced Analogic Technologies

Número de pieza

componentes Descripción

Fabricante

AAT1150

1MHz 1A Step-Down DC/DC Converter

Advanced Analogic Technologies 

AAT1150

1MHz 1A Step-Down DC/DC Converter

Pin Descriptions

Pin #

1

Symbol

FB

2

SGND

3

EN

4

VCC

5

VP

6, 7

LX

8

PGND

Function

Feedback input pin. This pin must be connected to the converter’s output. It is

used to set the output of the converter to regulate to the desired value.

Signal ground.

Enable input pin. When connected high, the AAT1150 is in normal operation.

When connected low, it is powered down. This pin should not be left floating.

Power supply. It supplies power for the internal circuitry.

Input supply voltage for converter power stage.

Inductor connection pins. These pins should be connected to the output

inductor. Internally, Pins 6 and 7 are connected to the drains of the P-chan-

nel switch and N-channel synchronous rectifier.

Power ground return for the output stage.

Pin Configuration

MSOP-8

(Top View)

FB 1

SGND 2

EN 3

VCC 4

8 PGND

7 LX

6 LX

5 VP

2

1150.2005.03.1.2

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