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A7221 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - DC-DC CONVERTER BUCK - AiT Semiconductor

भाग संख्या A7221
समारोह DC-DC CONVERTER BUCK
मैन्युफैक्चरर्स AiT Semiconductor 
लोगो AiT Semiconductor लोगो 
पूर्व दर्शन
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<?=A7221?> डेटा पत्रक पीडीएफ

A7221 pdf
AiT Semiconductor Inc.
www.ait-ic.com
PIN DESCRIPTION
A7221
DC-DC CONVERTER BUCK (STEP-DOWN)
2A, 20V SYNCHRONOUS
Pin #
1
2
3
4
5
6
Symbol
GND
SW
VIN
FB
EN
BST
Top View
Function
Power ground pin.
SW is the switching node that supplies power to the output. Connect the
output LC filter from SW to the output load.
Input voltage pin. VIN supplies power to the IC. Connect a 4.7V to 20V
supply to VIN and bypass VIN to GND with a suitably large capacitor to
eliminate noise on the input to the IC.
Output feedback pin. FB senses the output voltage and is regulated by
the control loop to 0.8V. Connect a resistive divider at FB.
Drive EN pin high to turn on the regulator and low to turn off the regulator.
Boostrap pin for top switch. A 0.1uF or larger capacitor should be
connected between this pin and the SW pin to supply current to the top
switch and top switch driver.
REV3.0
- DEC 2013 RELEASED, MAR 2016 UPDATED -
-2-

विन्यास 9 पेज
डाउनलोड[ A7221 Datasheet.PDF ]


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