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MIC2198 - 500kHz 4mm x 4mm Synchronous Buck Controller

Description

The MIC2198 is a high-power 500kHz synchronous buck DC-to-DC controller housed in a small 4mm × 4mm MLF™ 12-pin package.

The MIC2198 operates from a wide 4.5V to 32V input and can be programmed for output voltages from 0.8V to 6V.

Features

  • 4.5V to 32V input range.
  • 4mm × 4mm MLF™ package.
  • 500kHz PWM operation.
  • >90% efficiency.
  • Output voltage adjustable down to 0.8V.
  • 20A output current capability.
  • Drives all N-Channel MOSFETs.
  • Logic controlled micropower shutdown.
  • Cycle-by-cycle current limiting.
  • Adjustable undervoltage lockout.
  • Frequency foldback overcurrent protection.

📥 Download Datasheet

Datasheet Details

Part number MIC2198
Manufacturer Micrel Semiconductor
File Size 408.75 KB
Description 500kHz 4mm x 4mm Synchronous Buck Controller
Datasheet download datasheet MIC2198 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIC2198 MIC2198 Micrel, Inc. 500kHz 4mm × 4mm Synchronous Buck Controller General Description The MIC2198 is a high-power 500kHz synchronous buck DC-to-DC controller housed in a small 4mm × 4mm MLF™ 12-pin package. The MIC2198 operates from a wide 4.5V to 32V input and can be programmed for output voltages from 0.8V to 6V. The wide input voltage capability makes the MIC2198 an ideal solution for point-of-load DC-to-DC conversion in 5V, 12V and higher systems. The 500kHz switching frequency allows the use of a small inductor and small output capacitors. The current mode PWM control along with the external COMP pin allows for ease of stability compensation and fast transient response across a wide range of applications.
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