TPS61183
Description
The TPS61183 device provides a highly integrated white-LED (WLED) driver solution for notebook LCD backlights. This device has a built-in high-efficiency boost regulator with integrated 2-A, 40-V power MOSFET.
Key Features
- 1 4.5-V to 24-V Input Voltage
- 38-V Maximum Output Voltage
- Integrated 2-A, 40-V MOSFET
- 280-kHz to 1-MHz Programmable Switching Frequency
- 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