AAT1154(2003) Ver la hoja de datos (PDF) - Analog Technology Inc

Número de pieza

componentes Descripción

Fabricante

AAT1154
(Rev.:2003)

1MHz 3A Buck DC/DC Converter

Analog Technology Inc 

Pin Descriptions

Pin #

1

Symbol

FB

2

GND

3

EN

4

VCC

5, 8

VP

6, 7

LX

AAT1154

1MHz 3A Buck DC/DC Converter

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.

Ground connection.

Enable input pin. When connected high, AAT1154 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 & 7 are connected to the drain of

the P-channel switch.

Pin Configuration

SO-8

FB 1

GND 2

EN 3

VCC 4

8 VP

7 LX

6 LX

5 VP

2

1154.2003.08.0.91

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