Datasheet Details
| Part number | SGM3133 |
|---|---|
| Manufacturer | SG Micro |
| File Size | 322.36 KB |
| Description | 4-Channel Charge Pump White LED Driver |
| Datasheet |
 SGM3133 Datasheet
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General Description
The SGM3133 is a high efficiency and cost effective charge pump white LED driver.
It supports up to 4 white LEDs and regulates a constant current for uniform intensity.
The part maintains the high efficiency by utilizing a 1×/1.5× fractional charge pump and low dropout current sources.
Key Features
- Input Voltage Range: 2.7V to 5.5V.
- Drives up to 4 LEDs at 20mA Each.
- 16-Step Brightness Control.
- High Efficiency by Fractional Conversion with 1× and 1.5× Modes.
- Automatic Charge Pump Mode Selection.
- Switching Frequency: 1MHz.
- 1% Typical LED Current Matching.
- Internal Soft-Start Limits Inrush Current.
- Low Input Noise and Low EMI.
- Over Current and Over Temperature Protection.
- Output Over Voltage Protection.
- Under-Voltage Lockout with Hy.