AAT1153IDE-0.6-T1 データシートの表示（PDF） - Analog Technology Inc
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AAT1153IDE-0.6-T1 Datasheet PDF : 20 Pages
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PRODUCT DATASHEET
AAT1153
2A Step-Down Converter
Pin Descriptions
Pin #
1
2
3
4, 6
5
7, 8
9, 10
Symbol
EN
IN
AIN
AGND
FB/OUT
LX
PGND
EP
Function
Enable pin. Active high. In shutdown, all functions are disabled drawing <1μA supply current. Do not leave
EN floating.
Power supply input pin. Must be closely decoupled to AGND with a 2.2μF or greater ceramic capacitor.
Analog supply input pin. Provides bias for internal circuitry.
Analog ground pin
FB pin (AAT1153IDE-0.6): Adjustable version feedback input. Connect FB to the center point of the
external resistor divider. The feedback threshold voltage is 0.6V.
OUT pin (AAT1153IDE-1.8): Fixed version feedback input. Connect OUT to the output voltage, VOUT.
Switching node pin. Connect the output inductor to this pin.
Power ground pin
Power ground exposed pad. Must be connected to bare copper ground plane.
Pin Configuration
TDFN-10
(Top View)
EN 1
IN 2
AIN 3
AGND 4
FB/OUT 5
10 PGND
9 PGND
8 LX
7 LX
6 AGND
1. FB pin for the adjustable voltage version (AAT1153IDE-0.6), OUT pin for the fixed voltage version (AAT1153IDE-1.8).
2
www.analogictech.com
1153.2007.11.1.1
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