Texas Instruments LP8556TME-E02/NOPB, DC-DC Boost Regulator, 6 Outputs, 25mA per Channel, PWM Dimming, 312/625/1250kHz Switching Frequency, 20-DSBGA (2.04x1.78mm), -30°C to 85°C.
| Parameter | Value |
|---|---|
| Type | DC DC Regulator |
| Mounting | Surface Mount |
| Voltage - output | 16V ~ 30V |
| Supply voltage | 2.7V |
| Current - output (Channel) | 25mA |
| Frequency | 312kHz, 625kHz, 1250kHz |
| I/O channels | 6 |
| Operating temperature | -30°C ~ 85°C (TA) |
| Dimming | PWM |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Topology | Step-Up (Boost) |
| Applications | Backlight |
| Case | 20-WFBGA, DSBGA |
| Internal switch | Yes |
It integrates the switching FET internally (step-up topology) and supports PWM dimming for brightness control. The output voltage range of 16V to 30V covers the typical forward voltage of multi-LED series strings in notebook and monitor panels. Switching frequency is programmable to 312kHz, 625kHz, or 1250kHz, letting the designer optimise inductor size versus switching losses.
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