Synchronous step-down voltage converter driving up to 3.5A

8th November 2018
Alex Lynn

The LM76002/LM76003 regulator from Texas Instruments is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 2.5A (LM76002) or 3.5A (LM76003) of load current from an input up to 60V. The LM76002/LM76003 provides exceptional efficiency and output accuracy in a very small solution size.

Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronisation, FPWM option, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications.

Automatic frequency foldback at light load and optional external bias improve efficiency. This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR22) and thermal performance.

Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and short-circuit protection. The LM76002/LM76003 device is available in the WQFN 30-pin leadless package with wettable flanks.

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