TPS61151 Description
The TPS6115x is a high-frequency boost converter with two regulated current outputs for driving WLEDs. Each current output can be individually programmed through external resistors. There is a dedicated selection pin for each output so the two outputs can be turned on separately or simultaneously.
TPS61151 Key Features
- 1 2.5-V to 6-V Input Voltage Range
- Two Outputs Each up to 27 V
- 0.7-A Integrated Switch
- Built-In Power Diode
- 1.2-MHz Fixed PWM Frequency
- Individually Programmable Output Current
- Input-to-Output Isolation
- Built-In Soft Start
- Overvoltage Protection
- Up to 83% Efficiency
TPS61151 Applications
- Sub- and Main-Display Backlight in Clamshell Phones