The LM2758TLX from Texas Instruments is a highly advanced, sophisticated, and efficient switch-mode charge pump designed for handheld applications.

• Applications: Flash and torch functionality in smartphones, digital cameras, and other portable devices.
• Efficiency: Typically 90%.
• LED Support: Up to 8 LEDs in parallel.
• Total Forward Voltage: 5.5V.
• Regulation Scheme: 1MHz fixed-frequency.
• Package: Tiny 12-bump micro SMD.
• Features: Built-in soft-start function, over-voltage protection circuit.
• LED Driver Outputs: Two separate, independently controlled.
• Brightness Control: 32-level logarithmic scale LED current control for each output.
• Interface: Simple, straightforward.
• External Components Required: Four.
• Power Saving: Shutdown pin.