AAT1154 Просмотр технического описания (PDF) - Analog Technology Inc

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производитель

AAT1154

1MHz 3A Step-Down DC/DC Converter

Analog Technology Inc 

SwitchRegTM

PRODUCT DATASHEET

AAT1154

1MHz 3A Step-Down DC/DC Converter

Pin Descriptions

Pin #

1

2

3

4

5, 8

6, 7

Symbol

FB

GND

EN

VCC

VP

LX

Function

Feedback input pin. This pin must be connected to the converter output. It is used to set the converter

output to regulate to the desired value.

Ground connection.

Enable input pin. When connected high, the AAT1154 is in normal operation; when connected low, it is

powered down. This pin should not be left floating.

Power supply: 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 drain of the P-channel switch.

Pin Configuration

SOP-8

FB 1

GND 2

EN 3

VCC 4

8 VP

7 LX

6 LX

5 VP

2

www.analogictech.com

1154.2007.11.1.7

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