The LM3556TME from Texas Instruments is a high-performance, high-efficiency, dual-output, white LED driver.

• LEDs: Capable of driving up to two high-brightness LEDs @ a maximum output current of 800mA.
• Input Voltage Range: 2.7V to 5.5V.
• Advanced Adaptive Mode Control: Optimizes LED current for the best efficiency and LED brightness consistency.
• Safety Features: Over-voltage protection, under-voltage lockout, and thermal shutdown.
• Design: Compact, space-saving design.
• Interface: I2C-compatible interface.