TDK 121PW181 CCFL Inverter

TDK 121PW181 CCFL Inverter

The TDK 121PW181 CCFL Inverter (PCU-P147B) is a high-quality LCD backlight inverter board, designed for reliable performance in EL/CCFL applications. It operates on a 12V DC power supply (range: 11.4–12.6 VDC) with a typical current consumption of 600 mA. Compatible with NEC panels like NL10276BC24-13 and NL8060BC31 series, it drives backlights at ~570 Vrms and supports up to 1600 Vrms when lamps are open.

The inverter features luminance control via 0–2.5 V analog input or 10kΩ potentiometer, and provides fault detection through the AM signal, outputting 5V during errors. The oscillation frequency ranges from 58–68 kHz, and luminance control frequency is between 310–370 Hz. It includes CN1 and CN2 connectors for seamless integration. Designed to operate between –10°C and +70°C, it ensures consistent brightness and safe functionality in demanding environments.

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