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A7122 Datasheet(PDF) 2 Page - AIT Components Ltd.

No. de Pieza. A7122
Descripción  DC-DC CONVERTER BUCK SYNCHRONOUS BUCK CONVERTER
Descarga  13 Pages
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Fabricante  AITCOMPONENTS [AIT Components Ltd.]
Página de inicio  http://aitcomponents.com
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A7122 Datasheet(HTML) 2 Page - AIT Components Ltd.

 
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AiT Semiconductor Inc.
www.ait-ic.com
A7122
DC-DC CONVERTER BUCK (STEP-DOWN)
2A 3MHz 6V SYNCHRONOUS BUCK CONVERTER
REV1.1
- JUL 2012 RELEASED, DEC 2014 UPDATED -
- 2 -
PIN DESCRIPTION
Top View
Top View
Pin #
Symbol
Function
DFN8(2X2)
SOT-25
1
-
PGND
Power Ground. Bypass with a 10μF ceramic
capacitor to PVIN
2
3
SW
Inductor Connection. Connect an inductor Between
SW and the regulator output.
3
-
AGND
Analog Ground, Connect to PGND
4
5
FB
Feedback Input. Connect an external resistor divider
from the output to FB and GND to set the output to a
voltage between 0.6V and VIN
5
1
EN
Enable pin for the IC. Drive this pin to high to enable
the part, low to disable.
6
-
MODE
When forced high, the device operates in fixed
frequency PWM mode. When forced low, it enables
the Power Save Mode with automatic transition from
PFM mode to fixed frequency PWM mode. This pin
must be terminated.
7
-
AVIN
Analog Power. Short externally to PVIN
8
-
PVIN
Supply Voltage. Bypass with a 10μF ceramic
capacitor to PGND
-
2
GND
GND
-
4
VIN
VIN


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