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UM1661 Datasheet, Union Semiconductor

UM1661 converter equivalent, high efficiency low noise pfm step-up dc/dc converter.

UM1661 Avg. rating / M : 1.0 rating-11

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UM1661 Datasheet

Features and benefits

allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LEDs bright.

Description

The UM1661 PFM step-up DC/DC Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical .

Image gallery

UM1661 Page 1 UM1661 Page 2 UM1661 Page 3

TAGS

UM1661
High
Efficiency
Low
Noise
PFM
Step-Up
Converter
Union Semiconductor

Manufacturer


UniON Semiconductor (https://www.onsemi.com/)

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