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SiC478 Datasheet DC/dc Converter

Manufacturer: Vishay

Overview: www.vishay.com SiC476, SiC477, SiC478, SiC479 Vishay Siliconix 4.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

Design Tools The SiC47x is a family of wide input voltage high efficiency synchronous buck regulators with integrated high side and low side power MOSFETs.

Its power stage is capable of supplying high continuous current at up to 2 MHz switching frequency.

This regulator produces an adjustable output voltage down to 0.8 V from 4.5 V to 55 V input rail to accommodate a variety of applications, including computing, consumer electronics, telecom, and industrial.

Key Features

  • Versatile - Single supply operation from 4.5 V to 55 V input voltage - Adjustable output voltage down to 0.8 V - Scalable solution 3 A (SiC479), 5 A (SiC478), 8 A (SiC477), 12 A (SiC476) - Output voltage tracking and sequencing with pre-bias start up - ± 1 % output voltage accuracy at -40 °C to +125 °C.
  • Internal compensation.
  • Highly efficient - 98 % peak efficiency - 4 μA supply current at shutdown - 156 μA operating current not switching.
  • Highly configurable.

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