SGM3131 Datasheet 120ma 4-channel Charge Pump White Led Driver

Manufacturer: SG Micro

Overview: SGM3131 120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source.

Datasheet Details

Part number	SGM3131
Manufacturer	SG Micro
File Size	633.51 KB
Description	120mA 4-Channel Charge Pump White LED Driver
Datasheet	SGM3131-ShengbangMicroelectronics.pdf

The SGM3131 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump.

The charge pump has automatically selectable 1×/1.5× fractional operation modes.

The SGM3131 is well suited for white LED applications powered by a Li-Ion battery due to small equivalent open-loop resistance in 1× mode.

Input Voltage Range: 2.7V to 5.5V.
Support up to 4 LEDs at 30mA Each.
16-Step LED Brightness Control Through One-Wire Interface.
1× and 1.5× Charge Pump for High Conversion Efficiency.
Switching Frequency: 1MHz.
1% Regulated LED Current Matching.
Built-in Soft-Start for Reducing Inrush Current.
Low Input Ripple and Low EMI.
Protection Features  Over-Current Protection  Under-Voltage Lockout  Thermal Shutdown.
Operating Temperature Range: -40℃.

Part Number	Description
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SGM3139	6-Channel 1-Wire Dimming LED Driver
SGM3110	Micro-Power Regulated Charge Pump
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SGM3124	White LED Charge Pump Current Source
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