TPS61187
Description
The TPS61187 device provides a highly integrated white-light-emitting-diode (WLED) driver solution for notebook LCD backlight. This device has a built-in high efficiency boost regulator with integrated 2-A, 40-V power MOSFET.
Key Features
- 1 Input Voltage 4.5 V to 24 V
- Maximum Output Voltage 38 V
- Integrated 2-A, 40-V MOSFET
- Programmable Switching Frequency 300 kHz to 1 MHz
- Adaptive Boost Output to WLED Voltages
- Wide PWM Dimming Frequency Range – 100 Hz to 50 KHz for Direct PWM Mode – 100 Hz to 22 KHz for Frequency Programmable Mode
- 100:1 Dimming Ratio at 20 kHz
- 10000:1 Dimming Ratio at 200 Hz (Direct PWM mode)
- Integrated Loop pensation
- Six Current Sinks of 30 mA Maximum
