ZXSC400 DN67: 1 LED @ 350mA, 1.8 ~ 3Vin

Summary

The ZXSC400, although designed for small LEDs in LCD backlighting, is sufficiently flexible to provide an efficient 1W solution producing a nominal 350mA constant current source from 2 NiMH or NiCd cells.

Specifications

Manufacturer Diodes Incorporated
Category Lighting
Sub-Category LED Drivers - DC In
Eval Board Board not Stocked
Voltage In 1.8 ~ 3 V
Topology Step Up
Current Out 350 mA
Voltage Out (Max) 4 V
Outputs and Type 1 Non-Isolated
Efficiency @ Conditions >82%, 2.4V in, 4V @ 360 mA
Features Shutdown, Enable, Standby
Switching Frequency
Component Count + Extras 8 + 0
Design Author Diodes/Zetex
Application / Target Market Flashlight / Torch
Main I.C. Base Part ZXSC400
Date Created By Author 2006-07
Date Added To Library 2011-03

Support Documents & Media

ZXSC400 - Datasheet ZXSC400 - DN67 - Design Note 67

Media

ZXSC400_Schematic.JPG ZXSC400_Charts.JPG