Part Number
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A8512 |
Manufacturer
|
Allegro Micro Systems |
Description
|
LED Backlight Driver |
Published
|
Jul 3, 2010 |
Detailed Description
|
A8512
LED Backlight Driver for LCD Monitors and Televisions
FEATURES AND BENEFITS
▪ Six integrated high current sinks ...
|
Datasheet
|
A8512
|
Overview
A8512
LED Backlight Driver for LCD Monitors and Televisions
FEATURES AND BENEFITS
▪ Six integrated high current sinks ▪ Fixed frequency current mode control with integrated gate driver ▪ 300 kHz to 1 MHz adjustable switching frequency ▪ Controlled startup using options of Enable, PWM signal, or
battery voltage ramp ▪ Parallel operation with one boost controller (master) and up to
five slave controllers ▪ Active current sharing between LED strings for ±0.
6% accuracy
and matching ▪ No audible MLCC noise during PWM dimming ▪ Adjustable overvoltage protection (OVP) ▪ Open or shorted LED string protection ▪ Overtemperature, cycle-by-cycle current limit, and
undervoltage protection ▪ SOIC 24-pin...
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