This is a technical requirement for a backlight inverter for cold cathode fluorescent lamp, the model is INVC817, which is suitable for K-C160T3E54 lamp and LMG5278 LCD module.
This document defines the customer acceptance specifications for the Hitachi INVC817 backlight inverter, which is intended to drive a cold‑cathode fluorescent lamp in LCD modules. It outlines the scope, general specifications, electrical characteristics, reliability tests, mechanical structure, and design precautions.
Key performance data include a nominal output power of 1.7 W, efficiency of at least 65 %, operating temperature range of 0‑50 °C, and a maximum input voltage of 18 V. The inverter is designed for the K‑C160T3E54 lamp (MATSUSHITA type) and includes detailed wiring diagrams, connector pinouts, and dimensional outlines to aid integration and testing.
| Output Power | 1.7 W |
|---|---|
| Cooling Condition | Free air flow |
| Efficiency | 65 % min. |
| Weight | 13.5 g max. |
| Ambient Temperature (Operating) | 0 °C to 50 °C |
| Storage Temperature | -20 °C to 70 °C |
| Humidity | 90 % RH max. |
| Audible Sound Level | 35 dB max. at 30 cm |
| MTBF | 60 000 h min. |
| Input Current (Typical) | 210 mA |
| Lamp Power | 1.7 W |
| Main Frequency (Typical) | 45 kHz |
| Dimming Range | 100 % to 50 % |
The INVC817 is designed and adjusted for the K‑C160T3E54 lamp (MATSUSHITA’s type name).
The inverter provides a nominal output power of 1.7 W.
It operates from 0 °C to 50 °C, with storage limits of –20 °C to 70 °C.
The maximum input voltage rating is 18.0 V.