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Partname:MAX16821B
Description:High-Power Synchronous HBLED Drivers with Rapid Current Pulsing
Manufacturer:Maxim Integrated Products
Datasheet:PDF (301K).
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The MAX16821A/MAX16821B/MAX16821C pulsewidth-modulation (PWM) LED driver controllers provide high output-current capability in a compact package with a minimum number of external components. The MAX16821A/MAX16821B/MAX16821C are suitable for use in synchronous and nonsynchronous step-down (buck), boost, buck-boost, SEPIC, and Cuk LED drivers. A logic input (MODE) allows the devices to switch between synchronous buck and boost modes of operation. These devices are the first high-power drivers designed specifically to accommodate common-anode HBLEDs. The ICs offer average current-mode control that enable the use of MOSFETs with optimal charge and on-resistance figure of merit, thus minimizing the need for external heatsinking even when delivering up to 30A of LED current.

Click here to download MAX16821B Datasheet
Click here to download MAX16821B Datasheet
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