The INVC191 is a cold fluorescent lamp inverter produced by Toshiba, which is suitable for LMG5320XUFC, LMG74xx, LMG7380 STN liquid crystal display modules. This inverter has the following features: small size, low power consumption, adaptable to wide range of input voltages, external On/Off switching of backlight, dimmable from 100 down to 50 percent with a variable resistor, low noise.
The INVC191 inverter is designed for cold fluorescent lamps used in specific liquid‑crystal display modules. It features a very small, thin form factor, low power consumption, wide input voltage range, external on/off backlight control, and dimming from 100 % down to 50 % via a variable resistor.
Technical data include module dimensions of 95 × 15 mm, weight of 11 g, output power of 1.35 W, efficiency of 60 %, and input voltage range of 7.0‑17.0 V. Electrical characteristics such as lamp current (3.5‑4.9 mA) and frequency (50‑80 kHz) are also provided, along with connector pin assignments for both input and output. This manual is written in Chinese.
| Module Dimensions | 95 x 15 mm |
|---|---|
| Weight | 11.0 g |
| Output Power | 1.35 W |
| Efficiency | 60 % |
| Input Voltage Range | 7.0‑17.0 V |
The inverter operates with an input voltage from 7.0 V to 17.0 V.
Backlight dimming is achieved with a variable resistor, allowing adjustment from 100 % down to 50 %.
The nominal output power is 1.35 W.