Texas Instruments
Texas Instruments LP55231SQX/NOPB DC-DC Regulator LED Driver, 9 outputs, 25.5mA per channel, PWM dimming, Switched Capacitor (Charge Pump) topology, 1.25MHz, 2.7V-5.5V supply, 24-WFQFN Exposed Pad, Tape & Reel.
MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T
| Parameter / Attribute | Specification / Value |
|---|---|
| Type | DC DC Regulator |
| Mounting | Surface Mount |
| Supply voltage | 5.5V |
| Current - output (Channel) | 25.5mA |
| Frequency | 1.25MHz |
| I/O channels | 9 |
| Operating temperature | -30°C ~ 85°C (TA) |
| Dimming | PWM |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Topology | Switched Capacitor (Charge Pump) |
| Applications | Backlight |
| Case | 24-WFQFN Exposed Pad |
| Internal switch | Yes |
The Texas Instruments LP55231SQX/NOPB is a DC-DC regulator-type LED driver using a switched-capacitor (charge pump) topology, delivering 25.5 mA per channel across 9 outputs with PWM dimming.
The -30°C to 85°C ambient temperature grade fits indoor and portable backlight environments.
