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A7220 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 2A SYNCHRONOUS STEP-DOWN CONVERTER - AiT Semiconductor

भाग संख्या A7220
समारोह 2A SYNCHRONOUS STEP-DOWN CONVERTER
मैन्युफैक्चरर्स AiT Semiconductor 
लोगो AiT Semiconductor लोगो 
पूर्व दर्शन
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<?=A7220?> डेटा पत्रक पीडीएफ

A7220 pdf
AiT Semiconductor Inc.
www.ait-ic.com
 
PIN DESCRIPTION
A7220
DC-DC CONVERTER BUCK (STEP-DOWN)
4.3V TO 18V INPUT, 2A SYNCHRONOUS STEP-DOWN
CONVERTER WITH FAST TRANSIENT RESPONSE
Pin #
1
2
3
4
5
6
7
8
Symbol
BS
IN
SW
GND
FB
COMP
EN
SS
Top View
Function
Supply input for high-side NFET gate driver (boost terminal). Connect
capacitor from this pin to SW pin. An internal PN diode is connected
between VREG to BS pin.
Power input and connected to high side NFET drain
Switch node connection between high-side NFET and low-side NFET.
Also serve as inputs to current comparators.
Signal ground pin, also serve as ground returns for low-side NFET.
Converter feedback input. Connect with feedback resistor divider.
Compensation Node. Used to compensate control loop. Connect a
series RC network from COMP to G. In some cases, an additional
capacitor is required
Enable control input
Soft-start control. A external capacitor should be connected to GND.
REV3.0
 
- JUL 2010 RELEASED, FEB 2012 UPDATED -
-2-

विन्यास 12 पेज
डाउनलोड[ A7220 Datasheet.PDF ]


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