AAT1154IAS-3.3-T1 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT1154IAS-3.3-T1' PDF : 16 Pages View PDF
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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