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