Charge Pump LED Driver

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SGMICRO

圣邦股份

700mA Buck/Boost Charge Pump LED Driver

The SGM3141 is a current-regulated buck/boost charge pump LED driver capable of driving 700mA output current. It is ideal for powering high brightness LEDs for camera flash applications. The SGM3141 has 1×/2× operation mode to control the output current for flash and torch modes.\nThe supply voltage • Input Voltage Range: 2.7V to 5.5V\n\n• Up to 700mA Output Current\n\n• Up to 90% Efficiency in Torch Mode\n\n• Programmable Flash Current\n\n• Automatic 1× and 2× Modes for High Efficiency\n\n• No External Inductors\n\n• High Switching Frequency: 2.2MHz\n\n• Low Reference for Low Loss Sensing:;

SGMICRO

圣邦股份

Charge Pump LED Driver

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

文件：398.02 Kbytes 页数：14 Pages

SGMICRO

圣邦股份

700mA Buck/Boost Charge Pump LED Driver

The SGM3141B is a current-regulated buck/boost charge pump LED driver capable of driving 700mA output current. It is ideal for powering high brightness LEDs for camera flash applications. The SGM3141B has 1×/2× operation mode to control the output current for flash and torch modes. Both flash and to • Input Voltage Range: 2.7V to 5.5V\n\n• Up to 700mA Output Current\n\n• Up to 90% Efficiency in Torch Mode\n\n• Programmable Flash Current\n\n• Automatic 1× and 2×Modes for High Efficiency\n\n• No External Inductors\n\n• High Switching Frequency: 2.2MHz\n\n• Low Reference for Low Loss Sensing: ;

SGMICRO

圣邦股份