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RH1185AMK - Negative Regulator

General Description

The RH1185AMK is a 3A low dropout regulator with adjustable current limit and remote sense capability.

It can be used as a positive regulator with floating input or as a standard negative regulator with grounded input.

Key Features

  • of previous LTC regulators, including power limiting and thermal shutdown.

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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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RH1185AMK Negative Regulator with Adjustable Current Limit DESCRIPTION The RH1185AMK is a 3A low dropout regulator with adjustable current limit and remote sense capability. It can be used as a positive regulator with floating input or as a standard negative regulator with grounded input. The output voltage range is 2.5V to 25V, with ±1% accuracy on the internal reference voltage. The RH1185AMK uses a saturation-limited NPN transistor as the pass element. This structure gives the linear dropout characteristics of a FET pass element with significantly less die area. High efficiency is maintained by using special anti-saturation circuitry that adjusts base drive to track load current. The on-resistance is typically 0.25Ω.