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ACT4050 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Wide Input 3.5A Step Down Converter - Active-Semi

भाग संख्या ACT4050
समारोह Wide Input 3.5A Step Down Converter
मैन्युफैक्चरर्स Active-Semi 
लोगो Active-Semi लोगो 
पूर्व दर्शन
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<?=ACT4050?> डेटा पत्रक पीडीएफ

ACT4050 pdf
Active-Semi
ORDERING INFORMATION
PART NUMBER
ACT4050YH
ACT4050YH-T
TEMPERATURE RANGE
-40°C to 85°C
-40°C to 85°C
PIN CONFIGURATION
ACT4050
Rev 2, 01-Jul-11
PACKAGE
SOP-8/EP
SOP-8/EP
PINS
8
8
PACKING
TUBE
TAPE & REEL
SOP-8/EP
PIN DESCRIPTIONS
PIN NAME
DESCRIPTION
1
BS
Bootstrap. This pin acts as the positive rail for the high-side switch’s gate driver. Connect
a 10nF capacitor between BS and SW.
2
IN
Input Supply. Bypass this pin to GND with a low ESR capacitor. See Input Capacitor in
the Application Information section.
3 SW Switch Output. Connect this pin to the switching end of the inductor.
4
GND
Ground.
5
FB
Feedback Input. The voltage at this pin is regulated to 0.817V. Connect to the resistor
divider between output and ground to set output voltage.
6 COMP Compensation Pin. See Stability Compensation in the Application Information section.
Enable Input. When higher than 1.3V, this pin turns the IC on. When lower than 0.9V, this
7 EN pin turns the IC off. Output voltage is discharged when the IC is off. When left
unconnected, EN is pulled up to 4.5V typical with a 2µA pull-up current.
8 N/C Not Connected.
Exposed Pad shown as dashed box. The exposed thermal pad should be connected to
EP
EP
board ground plane and pin 4. The ground plane should include a large exposed copper
pad under the package for thermal dissipation (see package outline). The leads and
exposed pad should be flush with the board, without offset from the board surface.
Innovative PowerTM
- 2 - www.active-semi.com
Copyright © 2011 Active-Semi, Inc.

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डाउनलोड[ ACT4050 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
ACT4050Wide Input 3.5A Step Down ConverterActive-Semi
Active-Semi


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