DC to AC Power Supplies (Inverters)
DC/AC Inverter powers up to 4 CCFL tubes in LCD displays.
Press Release Summary:
Designed for use in Sharp and Optrex 15 and 17 in. LCDs, KLS-170A single-board dc-to-ac inverters provide brightness control, on/off control features, and 80% min operational efficiency. They feature 10.8-13.2 V input range, 3.0-6.5 mA output current per lamp, and 204 Hz typ PWM brightness control frequency. Suited for medical and industrial equipment applications, products feature total device power output of 18 W and output frequency of 60 kHz.
Original Press Release:
New DC-to-AC Inverter Powers Four CCFL Tubes for Selected 15" & 17" Super Bright LCD Displays from Sharp & Optrex
SAN MARCOS, CA-March 21, 2005-TAIYO YUDEN (U.S.A.), INC., announces the KLS-170A-the latest addition to the company's expanding line of compact single-board DC-to-AC inverters for driving single, dual and quad-tube cold-cathode fluorescent lamps (CCFL) in LCD back-lighting applications. Available now in OEM quantities, the KLS-170A provides an economical, high-performance solution for driving four LCD displays in medical and industrial equipment applications requiring super-bright, high-visibility displays in 0 to 60C (32-140F) operating environments. The module provides brightness control, on/off control features and 80% operational efficiency, minimum.
The KLS-170A quad-lamp CCFL driver provides an input range of 10.8 to 13.2 V (12 V, typical), an output current of 3.0 to 6.5 mA per lamp, and a Pulse-Width-Modulated (PWM) 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 (6.9") L x 44 mm (1.7") W x 10.0 mm (0.4") H. Other (typical) specifications include 1800 Vrms start-up voltage, 60 kHz output frequency, and 1.7 A input current (typical).
The seven specific four-tube Liquid Crystal Displays that may be powered by the KLS-170A include the:
LCD Display Part Number(s)
Sharp 15" LQ150X1LW71N
Sharp 17" LQ170E1LG11
Optrex 15" T-51511D150FWA-AC & -AD
Optrex 17" T-51863D150-FW-A-AB, -AC & -AD
About TAIYO YUDEN:
Now in its 55th year, Tokyo-based TAIYO YUDEN CO., LTD. is a worldwide manufacturer of surface-mount and leaded passive components, Bluetooth modules, power electronics modules, power supplies, and recordable digital media. With approximately 50% of the worldwide market in high-frequency multilayer chip inductors used in cellular phone applications, the company reports annual sales of nearly US$1.5B. Worldwide, TAIYO YUDEN employs more than seventeen thousand people, and the company's North American affiliate, TAIYO YUDEN (U.S.A.), INC., operates sales and engineering offices in: Chicago, IL; Raleigh, NC; Irving, TX; San Jose, CA; and San Diego County.
Price: $33.00 each in 10K unit lots
Availability: Now
Delivery: 12 weeks ARO for large OEM orders
For further information, contact:
Bill Effner, Sales & Marketing Manager
TAIYO YUDEN (U.S.A.), INC.
1770 La Costa Meadows Drive o San Marcos, CA 92069
(760) 510-3200; Fax: (760) 471-4021
E-mail: beffner@t-yuden.com
URL: www.t-yuden.com
