AAT1150(2006) 查看數據表（PDF） - Advanced Analogic Technologies
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AAT1150 Datasheet PDF : 17 Pages
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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
1150.2006.09.1.5
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