Taiyo Yuden Unveils KLS-170A DC-AC Inverters

Taiyo Yuden USA Inc. (Schaumburg, IL) announced its new KLS-170A, the latest addition to the company's line of single-board dc-ac inverters for driving single-tube, dual-tube and quad-tube, cold-cathode fluorescent lamps in LCD back-lighting applications. The KLS-170A drives four LCD displays in medical and industrial equipment applications in 0 °C to 60 °C (32 °F to 140 °F) operating environments.

The KLS-170A driver provides an input range of 10.8 V to 13.2 V (12 V, typical), an output current of 3.0 mA to 6.5 mA per lamp, and a pulse-width-modulated brightness control frequency of 204 Hz, typical. Total device power output is 4.5 W per lamp or 18 W total. Physically, the KLS-170A measures 176 mm x 44 mm x 10 mm (6.9 in x 1.7 in x 0.4 in). Other (typical) specifications include 1,800 Vrms startup voltage, 60 kHz output frequency, and 1.7 A input current (typical). The module provides 80% operational efficiency, minimum.

Available now, the KLS-170A is priced at $33 each in 10,000-unit lots. Delivery is 12 weeks ARO for large OEM orders.