LM3697
Description
The LM3697 11-bit LED driver provides highperformance backlight dimming for 1, 2, or 3 series LED strings while delivering up to 90% efficiency.
Key Features
- 1 Drives three parallel high-voltage led strings for display and keypad lighting
- High-voltage strings capable of up to 40-V output voltage and up to 90% efficiency
- Up to 30 mA per current sink
- 11-Bit configurable dimming resolution
- PWM input for content adjustable brightness control (CABC)
- Fully configurable LED grouping and control
- Integrated 1-A/40-V MOSFET
- Adaptive boost output to LED voltages
- Selectable 500-kHz and 1-MHz switching frequency
- Four configurable overvoltage protection thresholds (16 V, 24 V, 32 V, and 40 V)
