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MIC2194 - 400kHz SO-8 Buck Controller

Datasheet Summary

Description

Micrel’s MIC2194 is a high efficiency PWM buck control IC housed in the SO-8 package.

Its 2.9V to 14V input voltage range allows it to efficiently step down voltages in 3.3V, 5V, and 12V systems as well as 1- or 2-cell Li Ion battery powered applications.

Features

  • 2.9V to 14V input voltage range 400kHz oscillator frequency PWM current mode control 2Ω output drivers 100% maximum duty cycle 0.5µA micro-power shutdown Programmable UVLO Front edge blanking Cycle-by-cycle current limiting Frequency foldback short circuit protection 8-lead SOIC package Point of loa.

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Datasheet preview – MIC2194

Datasheet Details

Part number MIC2194
Manufacturer MICREL
File Size 93.64 KB
Description 400kHz SO-8 Buck Controller
Datasheet download datasheet MIC2194 Datasheet
Additional preview pages of the MIC2194 datasheet.

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Full PDF Text Transcription

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MIC2194 Micrel MIC2194 400kHz SO-8 Buck Control IC General Description Micrel’s MIC2194 is a high efficiency PWM buck control IC housed in the SO-8 package. Its 2.9V to 14V input voltage range allows it to efficiently step down voltages in 3.3V, 5V, and 12V systems as well as 1- or 2-cell Li Ion battery powered applications. The flexible architecture of the MIC2194 allows for it to be configured as a buck or a buck-boost converter. The MIC2194 solution saves valuable board space. The device is housed in the space-saving SO-8 package, whose low pin-count minimizes external components. Its 400kHz PWM operation allows a small inductor and small output capacitors to be used. The MIC2194 can implement allceramic capacitor solutions. The MIC2194 drives a high-side P-channel MOSFET.
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