MAX16936RATEA/V+

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The MAX16936 is a monolithic high-side current-limit switch with overvoltage and reverse protection specifically designed for voltage regulation applications. The device includes an internal synchronous-rectification low side switch, a low-side current-limit switch, a current-sense amplifier, and a main power-switch. The device\'s integrated synchronous-rectification Low Side Switch allows for seamless transition from low-impedance current delivery to high-impedance current limit.

The MAX16936 is available in 5-pin SOT-23 and 5-Pin SOP packages and operates from an input voltage range from 2.5V to 24V. It can support a maximum load current of 2.5A, output voltage range from 1.3V to 20V, voltage dropout of 240mV, and quiescent current of 30uA. The device features an adjustable over-voltage protection with a range of 1.8V to 21V, an adjustable reverse-protection with a range of 2.7V to 24V, and an adjustable current-limit threshold with a range of 0.2A to 2.5A.

The MAX16936 is a high side current limit switch designed for voltage regulation applications and is well suited for automotive, industrial, and other applications which require efficient, robust current-limit protection. The device also features built-in thermal shutdown protection that prevents thermal overstress, output short-circuit protection, reverse protection, and voltage over-protection. It is specifically designed for applications that require low quiescent and accurate current-limit protection with reduced thermal dissipation.

The working principle behind the MAX16936 is based on a voltage sensing and current sensing approach. The device includes an external voltage sensing resistor network and an on-chip current-sense amplifier. The voltage sensing resistor network senses the output voltage and transmits an analog voltage to the current-sense amplifier, allowing it to accurately measure the current by reading the voltage drop over the external sense resistor. Once the device senses a current above the programmed limit, the internal high side switch is turned off, limiting the current to the programmed limit.

The high side switch also includes a low-impedance and synchronous rectification Low Side Switch which provides seamless transition from low-impedance current delivery to high-impedance current limit. This allows for fast and accurate current limit protection and low-loss rectification for efficient current delivery. The MAX16936 integrates a low quiescent current (<30uA) and has an operating temperature range of -40°C to +125°C.

The MAX16936 is ideal for applications that require a current limit mechanism to protect the load from excessive overloads. It is also suitable for automotive and industrial applications that require high output current and high reliability. The device offers a high level of current limit protection with low quiescent current, low dropout voltage, and small package size.

Overall, the MAX16936 is a reliable and efficient high-side current limit switch that provides a high level of current limit protection with minimal power dissipation. It is suitable for a variety of applications where current limit protection is required and offers a unique combination of features such as low quiescent current, low dropout voltage, and adjustable current-limit threshold.

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