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LP5527 Datasheet - National Semiconductor

LP5527_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LP5527

Manufacturer:

National Semiconductor

File Size:

873.13 KB

Description:

Lighting management.

LP5527, lighting management

The LP5527 is a lighting management unit for handheld devices with I2C compatible control interface.

The LP5527 has a step-up DC/DC converter with high current output and it drives display and keypad backlights and powers the camera flash LED.

In addition the DC/DC converter has the output current t

LP5527 Features

* n High current boost DC-DC converter (up to 1A output current) n Programmable boost output voltage n 400 mA flash LED constant current driver with low tolerance and a safety circuit n Synchronization pin for the flash timing n Two single-ended audio inputs with gain control n Four constant current 1

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