[Shengbang Microelectronics]

GENERAL DESCRIPTION
The SGM3141B is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications. The charge pump can be set to regulate two current levels for Flash and Torch modes.

FEATURES
● Output Current Up to 700mA
● Up to 90% Efficiency in Torch Mode
● Adjustable Flash Mode Current
● 1× and 2× Automatic Modes for High Efficiency
● Input Voltage Range: 2.7V to 5.5V
● Minimum External Components: No Inductors
● High Frequency Operation: 2.2MHz
● Low 47mV Reference for Low Loss Sensing
● IQ< 1μA in Shutdown
● Built-In Soft-Start Limits Inrush Current
● Low Input and Output Ripple and Low EMI
● Output Over-Voltage Protection
● Over-Current and Over-Temperature Protection
● Available in Green TDFN-3×3-10L Package