致新AT1316A高效恒流20V白光LED驱动器

闽台（GMT）致新AT1316A   AT1316A-02TP1U高效恒流20V白光LED驱动器


        The AT1316A step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LED’s brightness. The fast 1.0MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current, thermal protection and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The low reference voltage minimized the power loss across the current-setting resistor.
       The AT1316A is available in TSOT-23-6 packages.

AT1316A-01TP1U       TSOT-23-6
AT1316A-02TP1U        TSOT-23-6
AT1316A-03TP1U        TSOT-23-6

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