SY7728F - 60V High Efficiency Four-String Boost LED Driver
SY7728F is a h igh efficiency peak current mode boost controller with four matching current sources to drive WLED arrays of LCD backlight.
The device has a wide input voltage range fro m 4.5V to 30V.
The LED current is programmab le through a resistor.
It also integrates both PWM and Analog dimming
SY7728F Features
* 4.5-30V Wide Input Voltage Range
* Programmable 5mA~240mA LED Current per String
* LED Current with +/-3% Accuracy at 100mA per String
* PWM and Analog Mode Dimming: Dimming Frequency: 100Hz~50 kHz
* +/-1% Current Matching Among Strings at 100mA per String
* Programmable Sw
