Use 'Extra' LED Driver Channel To Provide Constant-Voltage Source

Focus:

When employing a multi-channel LED driver IC to power multiple strings of LEDs, any unused LED driver channels may be used to generate regulated supply voltages.

What you’ll learn:

• How to generate a regulated supply voltage using an unused LED driver channel

Notes:

ED's Ideas For Design

View the Source

Author & Publication:

Hua (Walker) Bai, applications engineer, Linear Technology Corp., Electronic Design, Feb 28 2008

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