ETA3421 High Efficiency LED Driver

ETA

Description

ETA3421 0.7A, 1.5MHz Step-Down Constant Current, High Efficiency LED Driver .
FEATURES The ETA3421 is a high-efficiency, DC-to-DC step-down constant current LED driver, capable of delivering up to 0.

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Datasheet Specifications

Part number: ETA3421
Manufacturer: ETA
File Size: 535.75 KB
Datasheet: ETA3421-ETA.pdf
Description: High Efficiency LED Driver

Features

* The ETA3421 is a high-efficiency, DC-to-DC step-down constant current LED driver, capable of delivering up to 0.7A of output current. The device operates from an input voltage range of 3.3V to 5.5V and use 0.1V FB voltage to achieve high efficiency. Running at a fixed frequency of 1.5MHz allows the

Applications

* IP CAM
* 1 Cell Li-Ion Battery Powered Flashlight TYPICAL APPLICATION VIN 4 VIN SW 3 10uF ETA3421 OFF ON 1 EN EN or PWM Dimming GND 2 FB 5 2.2uH IR LED Rs 10uF ILED(A)=0.1/RS(Ω) ORDERING INFORMATION PART No. ETA3421S2F PACKAGE SOT23-5 TOP MARK Pcs/Reel IZ | YW 3000 www

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ETA3421 High Efficiency LED Driver ETA

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