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A7121 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 2A 1.2MHz HIGH EFFICIENCY SYNCHRONOUS STEP-DOWN DC-DC CONVERTER - AiT Semiconductor

भाग संख्या A7121
समारोह 2A 1.2MHz HIGH EFFICIENCY SYNCHRONOUS STEP-DOWN DC-DC CONVERTER
मैन्युफैक्चरर्स AiT Semiconductor 
लोगो AiT Semiconductor लोगो 
पूर्व दर्शन
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<?=A7121?> डेटा पत्रक पीडीएफ

A7121 pdf
AiT Semiconductor Inc.
www.ait-ic.com
PIN DESCRIPTION
A7121
2A 1.2MHz HIGH EFFICIENCY
SYNCHRONOUS STEP-DOWN DC-DC CONVERTER
Pin #
1
2
3
4
5
6
7
8
9
10
Symbol
EN
IN
AIN
AGND
FB/OUT
AGND
LX
LX
PGND
PGND
EP
Top View
Top View
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 22μF or greater
ceramic capacitor.
Analog supply input pin. Provides bias for internal circuitry.
Analog ground pin
FB pin (A7121-ADJ): Adjustable version feedback input. Connect FB to the center point
of the external resistor divider. The feedback threshold voltage is 0.6V. OUT pin
(A7121-18): Fixed version feedback input. Connect OUT to the output voltage, VOUT.
Analog ground pin
Switching node pin. Connect the output inductor to this pin.
Switching node pin. Connect the output inductor to this pin.
Power ground pin
Power ground pin
Power ground exposed pad. Must be connected to bare copper ground plane.
REV1.0 -FEB 2010 RELEASED -
-2-

विन्यास 24 पेज
डाउनलोड[ A7121 Datasheet.PDF ]


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