MIC26400 Datasheet PDF - Micrel Semiconductor 5A Hyper Speed Control Synchronous DC/DC Buck Regulator Specs

MIC26400 - 5A Hyper Speed Control Synchronous DC/DC Buck Regulator

Datasheet Summary

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.

Features

to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure proper operation under power-sag conditions, internal soft-start to reduce inrush current, foldback current limit, “hiccup” mode shortcircuit protection and thermal shutdown. All support documentation can be found on Micrel’s web site at: www. micrel. com. Features.
Hyper Speed ControlTM architecture enables - High delta V operation (VIN = 26V and VOUT = 0.8V) - Small output capacitance.

Datasheet Details

Part number	MIC26400
Manufacturer	Micrel Semiconductor
File Size	0.98 MB
Description	5A Hyper Speed Control Synchronous DC/DC Buck Regulator
Datasheet	MIC26400 Datasheet
Additional preview pages of the MIC26400 datasheet.

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Full PDF Text Transcription

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MIC26400 5A Hyper Speed ControlTM Synchronous DC/DC Buck Regulator SuperSwitcher IITM General 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. Micrel’s Hyper Speed ControlTM architecture allows for ultrafast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible.

Published: Feb 16, 2011 |