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ETA3421S2F AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ETA3421S2F product

ETA3421S2F

PMIC - LED Drivers

LED DriverStep-DownPWM Dimming

The ETA3421 is a compact, high-efficiency step-down LED driver designed for 1-cell Li-ion applications, supporting up to 0.7A output and PWM dimming.

Best for

  • Portable LED lighting
  • IP cameras
  • 1-cell Li-ion battery powered devices

Avoid if

  • Applications requiring input voltage > 5.5V

Check before use

  • Inductor selection and PCB layout

Key specifications

Max Output Current
0.7 A
Switching Frequency
1.5 MHz
Input Voltage
3.3 V - 5.5 V

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Portable LightingIP Cameras

CAD Models

Download ECAD models for ETA3421S2F: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The ETA3421 is a 1.5MHz step-down constant current LED driver capable of delivering up to 0.7A, optimized for high efficiency in portable applications.