DC2373A

DC2373A is a LT8641 65V, 3.5A micropower synchronous step-down silent switcher demonstration board. Demonstration circuit 2373A is a 65V, 3.5A micropower synchronous step-down Silent Switcher® with spread spectrum frequency modulation featuring the LT®8641. The demo board is designed for 5V output from a 5.5V to 65V input. The wide input range allows a variety of input sources such as automotive batteries and industrial supplies. The LT8641 is a compact, ultra-low emission, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current when output is regulated at 5V. Top and bottom power switches, compensation components and other necessary circuits are inside of the LT8641 to minimize external components and simplify design. This board is suitable for a wide range of automotive, telecom, industrial and other applications.

• Switching frequency of 2MHz(typ) at TA = 25°C
• Efficiency of 94% at VIN = 12V, IOUT = 1A, TA = 25°C

附註

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