Chapter 41

Dual output step-down controller produces 10% accurate, efficient and reliable high current rails

Mike Shriver and Theo Phillips


The LTC3855, a high performance dual output buck converter intended for low output voltage, high output current supplies, is described.


Dual output buck converter



The LTC3855 makes it possible to generate high current rails with the accuracy and efficiency to satisfy the most demanding requirements of today’s leading edge network, telecommunications and server applications. This 2-phase, dual output synchronous buck controller includes strong gate drivers that support operation with per-phase currents above 20A. The accurate 0.6V ±0.75% reference and its ...

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