More detailed information

A project log for Small Constant current 20mA "Joule Thief"

It's not real Joule Thief. Rather step-up boost converter.

Pnoxi • 06/23/2019 at 07:22•0 Comments

ZXLD381

Startup voltage: 0.9V
Maximum input voltage: 2.2V
85% Efficiency

PR4401

Startup voltage: 0.9-1V
Maximum input voltage: 2.0V
80% Efficiency

Discussions