LM3630A Description
The LM3630A is a current-mode boost converter which supplies the power and controls the current in up to two strings of 10 LEDs per string. Programming is done over an I2C-patible interface. The maximum LED current is adjustable from 5 mA to 28.5 mA.
LM3630A Key Features
- 1 Drives up to 2 Strings of 10 Series LEDs
- Wide 2.3-V to 5.5-V Input Voltage Range
- Up to 87% Efficient
- 8-bit I2C-patible Programmable Exponential
- PWM Brightness Control for CABC Operation
- Independent Current Control per String
- True Shutdown Isolation for LEDs
- Internal Soft-Start Limits Inrush Current
- Adaptive Headroom
- Programmable 16-V/24-V/32-V/40-V Overvoltage