代理產線

AAT2400/2401LCD TV LED Backlight Driver

 2009-03-19

【基本資料】

【產品特性】

1. Two Package Solution for up to 160 WLEDs
2. High Speed Digital Interface
3. Small Package Footprint
4. High Voltage Operation
5. Precision PWM Brightness Control
6. Built-In Boost Converter
AAT2400/2401 – 16CH WLED Driver solution for large TFT LCD PANELs

【產品應用】

LCD TV LED Backlight Driver

【文字介紹】

Two Package Solution for up to 160 WLEDs
AAT2400 - Master
High Voltage boost converter
Precision PWM brightness control
8 channel high voltage current sinks
AAT2401 - Slave
Precision PWM brightness control
High Speed Digital Interface
30MHz SPI Bus (or 500kHz I2C)
Fault reporting (LED short / open, etc)
Programmable chip ID
Small Package Footprint
AAT2400 5 x 5 mm QFN36
AAT2410 4 x 4 mm QFN36
High Voltage Operation
24V ± 10% input, 30V max
40V max output boost converter
Robust, 45V operation on LX pin
Precision PWM Brightness Control
12Bit channel PWM duty cycle
12B channel phase delay
7B master current (dot correction)
V-sync derived internal oscillator
Built-In Boost Converter
1.6A, 40V max, 10 µH inductor
High efficiency, peaks at 60mA/ch
System clock sync option
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