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MIC2124 - Synchronous Current Mode Buck Controller

General Description

The Micrel MIC2124 is a member of the Hyper Speed Contro™l family of DC-DC controllers.

It uses an adaptive on-time current mode control scheme and operates at a constant frequency.

The MIC2124 operates over a supply range of +3V to +18V, and is independent of the IC supply voltage VIN.

Key Features

  • +3V to +18V input voltage 25A output current capability TM Any Capacitor stable - Zero ESR to high ESR Output down to 0.8V with ±1% FB accuracy Up to 94% efficiency 300kHz switching frequency All N-Channel MOSFET design Shutdown feature with EN/COMP No current-sense resistor needed Internal 4ms digital soft-start Thermal shutdown Pre-bias output sa.

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Datasheet Details

Part number MIC2124
Manufacturer Micrel Semiconductor
File Size 706.77 KB
Description Synchronous Current Mode Buck Controller
Datasheet download datasheet MIC2124 Datasheet

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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MIC2124 Constant Frequency, Synchronous Current Mode Buck Controller Hyper Speed Control™ Family General Description The Micrel MIC2124 is a member of the Hyper Speed Contro™l family of DC-DC controllers. It uses an adaptive on-time current mode control scheme and operates at a constant frequency. The MIC2124 operates over a supply range of +3V to +18V, and is independent of the IC supply voltage VIN. It operates at a fixed 300kHz switching frequency and can be used to provide up to 25A of output current. The output voltage is adjustable down to +0.8V. The MIC2124 includes an EN/COMP pin that can be pulled low to shut down the converter. The MIC2124 optimizes performance and ensures stability with external compensation.