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MIC26400 Description

The Micrel MIC26400 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive ON-time control architecture. The MIC26400 operates over an input supply range of 4.5V to 26V and provides a regulated output at up to 5A of output current. The output voltage is adjustable down to 0.8V with a typical accuracy of ±1%, and the device operates at a switching frequency of 300kHz.

MIC26400 Key Features

  • Hyper Speed ControlTM architecture enables
  • High delta V operation (VIN = 26V and VOUT = 0.8V)
  • Small output capacitance
  • 4.5V to 26V input voltage
  • Adjustable output from 0.8V to 5.5V (±1% accuracy)
  • Any CapacitorTM Stable
  • Zero ESR to high-ESR output capacitance
  • 5A output current capability
  • 300kHz switching frequency
  • Internal pensation