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ML4877 - LCD Desktop Backlight Lamp Driver

General Description

The ML4877 is an ideal solution for driving multiple cold cathode fluorescent tubes (CCFL) used in liquid crystal display (LCD) backlight applications.

It provides dimming ballast control for the LCD display.

Key Features

  • s s s s s s s s s Ideal for 30W inverter designs, 1 to 8 lamp design PWM dimming capability Backlight lamp driver with differential drive Up to 30% lower power for same light output Low standby current (.

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Datasheet Details

Part number ML4877
Manufacturer Micro Linear
File Size 289.95 KB
Description LCD Desktop Backlight Lamp Driver
Datasheet download datasheet ML4877 Datasheet

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Part Number Description
ML4870 High Current Boost Regulator with Load Disconnect
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ML4876 LCD Backlight Lamp Driver with Contrast

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NEW! L 30W CCF Inverter D esign JULY 2000 ML4877* LCD Desktop Backlight Lamp Driver GENERAL DESCRIPTION The ML4877 is an ideal solution for driving multiple cold cathode fluorescent tubes (CCFL) used in liquid crystal display (LCD) backlight applications. It provides dimming ballast control for the LCD display. By utilizing differential drive the ML4877 can deliver the same light output with significantly less input power compared to existing single ended drive schemes. Improvements as high as 30% can be realized when using low power lamps and advanced LCD screen housings. This increased light output is achieved because the differential drive configuration is much less sensitive, and therefore less power is wasted in the capacitive parasitics that exist in the backlight housing.