DC2565A

DC2565A demonstration circuit is a 42V, 0.75A micropower synchronous step-down regulator featuring LT®8607. It is designed for 5V O/P from a 5.5V to 42V I/P. The wide I/P range allows a variety of input sources, such as automotive batteries and industrial supplies. The LT8607 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes less than 3μA of quiescent current when O/P is regulated at 5V. Top and bottom power switches, compensation components and other necessary circuits are inside LT8607 to minimize external components and simplify design. The SYNC pin on board is grounded by default for low ripple Burst Mode® operation. Move JP1 to PULSE SKIPPING position can change operation mode to pulse-skipping operation. Once JP1 is on SPREAD SPECTRUM position, VCC is applied to SYNC pin for low EMI spread spectrum operation. To synchronous to an external clock, move JP1 to SYNC and apply the external clock to the SYNC turret.

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