ZXSC310 DN61 (Page 3): 1 LED @ 300mA, 1.25 ~ 3 Vin

Summary

Figure 1 shows a typical simple low cost solution with a ZXSC310 driving a 1W LED with a typical forward voltage of 3.4V at 300mA from a dual cell battery. A dual cell supply will have a voltage range of 1.8V to 3V for alkaline type batteries.

Specifications

Manufacturer Diodes Incorporated
Category Lighting
Sub-Category LED Drivers - DC In
Eval Board Board not Stocked
Voltage In 1.25 ~ 3 V
Topology Step Up
Current Out 300 mA
Voltage Out (Max) 4 V
Outputs and Type 1 Non-Isolated
Efficiency @ Conditions >84%, 2.5 ~ 3V in, 1 LED @ ~300 mA
Features Shutdown, Enable, Standby
Switching Frequency
Component Count + Extras 8 + 0
Design Author Diodes/Zetex
Application / Target Market Flashlight / Torch
Garden Light
Main I.C. Base Part ZXSC310
Date Created By Author
Date Added To Library 2011-03

Support Documents & Media

ZXSC310 - DN61 - Design Note 61 ZXSC310 - Datasheet

Media

ZXSC310_DN61_Schematic.JPG ZXSC310_DN61_Efficiency_and_LED_Current_Chart_2_Alkaline.JPG