LM3538
Description
The LM3538 is a highly integrated LED driver capable of driving 6 LEDs in parallel for single display backlighting applications.
Key Features
- 6-channel Backlight Capability
- Internal ALS Engine; PWM Input to Support
- Built-in Power Supply and Gain Control for
- Up to 90% Efficiency
- Adaptive Charge Pump with 1x and 1.5x Gains
- 128 Dimming Steps for Group A, Exponential
- 8 Linear Dimming States for Group B LDOs
- Default Startup Voltage States
- Low Dropout Voltage: 100mV typ. at 150mA Load Current
- LDO Input Voltage = 1.8V to VIN_A
Applications
- Smartphone Lighting
