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产品介绍 LM2754Features
n Up to 800mA Output Current n Wide Operating Input Voltage Range: 2.8V to 5.5V n Drives 1, 2, 3 or 4 LEDs in Parallel n Ability to Disable One Current Sink Via the SEL Pin to Accommodate 3-LED Flash Modules n Time-Out Circuitry Limits Flash Duration to 1 Second n TX Input Ensures Synchronization with RF Power Amplifier Pulse n Adaptive 1x, 1.5x and 2x Gains for Maximum Efficiency n 1MHz Constant Frequency Operation n Output Current Limit n True Shutdown Output Disconnect n <1μA Shutdown Current n Internal Soft-Start Limits Inrush Current n No Inductor Required n Total Solution Size without LED <28mm2 n Low Profile 24-Pin LLP Package (4mm x 4mm x 0.8mm) |