Part Number: LXM1618
File Name: lxm1618124x.pdf
No. of Pages: 6
File Size: 181.89 KB
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Abstract:
The LXM1618-12-4x is a Single Output 4W Direct Drive™ CCFL (Cold Cathode Fluorescent Lamp) Inverter Module specifically designed for driving LCD backlight lamps. It is ideal for driving typical 8.4" to 12.1" panels. The maximum output current is externally programmable over a range of 5 to 6.5mA in 0.5mA steps to allow the inverter to properly match to a wide array of LCD panel lamp current specifications. The modules are include a dimming input that permits brightness control from either a DC voltage source, a PWM signal or an external potentiometer. LXM1618 modules unlike the LXM1617 series does not provide wide range ‘burst' mode dimming, rather dimming is provided by amplitude control of the output current waveform, this limits the potential dim range to typically less than 5:1. For applications not requiring wide range dimming, amplitude control results in lower ripple on the input supply and reduced potential transient noise generation. Many STN type panels are part
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