www.DataSheet4U.com LX1994 TM ® High Efficiency LED Driver P RODUCTION D ATA S HEET DESCRIPTION KEY FEATURES ƒ Efficiency 92% ƒ Dual PFM Architecture To Extend Battery Life ƒ VIN Range 2.0V To 5.5V. Start Up Warranty @ 2.0V ƒ Logic Control Shutdown ƒ 100µA Typical Quiescent Current ƒ Shutdown IQ Current 1µA ƒ OVP For Open String Output Voltage ƒ Low Voltage And Offset Current Sense ƒ Light Sensor (LX1970) interface ƒ Dual Dimming Options (PWM or DC Voltage) ƒ No External Zener Clamp Diode ƒ 10-Pin MLP or MSOP APPLICATIONS Microsemi’s LX1994 is a compact, high efficiency, step-up boost controller which is designed to drive a string of white or colored LED’s in a backlight or front lig...

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