ETA1477 High Efficiency Synchronous Step-Down Converter

ETA

Description

ETA1477 18V/2A, High Efficiency Synchronous Step-Down Converter in SOT23-6 .
ETA1477 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 2A of output cur.

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Datasheet Specifications

Part number: ETA1477
Manufacturer: ETA
File Size: 0.98 MB
Datasheet: ETA1477-ETA.pdf
Description: High Efficiency Synchronous Step-Down Converter

Features

* Wide Input Range: 4.5V-18V
* Adaptive COT Control
* Ultra-fast Load Transient Response
* High Efficiency PFM Mode at Light Load
* High Efficiency Synchronous Operation
* No Load IQ 177uA
* Low Rdson Internal Power FETs
* Capable of Delivering 2A
* No External Co

Applications

* LCD TV
* Set Top Box
* xDSL Modem TYPICAL APPLICATION 10nF 6 BST VIN 3 IN SW 2 10 uF ETA1477 EN 5 EN FB 4 GND 1 2.2uH R1 47 pF optional 22 uFx2 VOUT R2 R1+R2 Vout= R2 ×0.768 (V) ORDERING INFORMATION PART No. ETA1477S2G PACKAGE TOP MARK Pcs/Reel SOT23-6 JBYW 300

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