MIC5236-2.5BMM

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MIC5236-2.5BMM is a type of linear voltage regulator, categorized under Power Management Integrated Circuit (PMIC) - Voltage Regulators - Linear. It is designed and manufactured by Micrel Inc., a leading provider of Analog and Power Management semiconductors. The MIC5236-2.5BMM is a 2.5V precision voltage regulator, with features such as a low dropout voltage, fast transient response, low noise and high accuracy.

The MIC5236-2.5BMM is a low dropout linear voltage regulator, providing 2.5V output with very low quiescent current. It is designed to be used in applications requiring a low dropout voltage, such as portable devices, digital cameras, and battery-powered systems. The MIC5236-2.5BMM offers a low dropout voltage of 25mV at 500mA, which ensures that the load will not be over-supplied with current and reduces power dissipation. The device also has a fast transient response, which allows the output voltage to remain constant, even during large load transients.

The MIC5236-2.5BMM has excellent output noise performance, with a typical ultra-low output noise level of only 40µV. This makes it ideal for applications that are sensitive to noise, such as audio and microphone amplifiers, as well as high-resolution displays. The device also features high accuracy output voltage, with a ±2% maximum output voltage tolerance.

With its low dropout voltage, fast transient response, low noise and high accuracy, the MIC5236-2.5BMM is an excellent choice for a variety of applications. The device is available in an 8-pin MSOP package, and is available in standard versions operating with an input voltage range of 2.7V to 5.5V. It is also available in an automotive version, which is rated for an input voltage range of 2.0V to 6.0V.

Working Principle

The MIC5236-2.5BMM works by controlling the voltage and current at the output pin of the device. It uses an error amplifier and a voltage reference to compare the output voltage to an internal reference voltage. When the output voltage is lower than the reference voltage, the error amplifier increases the base-emitter current of the pass transistor; when the output voltage is higher than the reference voltage, the error amplifier decreases the base-emitter current of the pass transistor. This reduces or increases the current passing through the pass transistor, thus regulating the output voltage to the desired value.

The MIC5236-2.5BMM also features over-current protection and thermal protection in case of excessive load or high temperature. The overload protection will shut down the device if the load current exceeds 1.5A. The thermal protection will shut down the device if the die temperature exceeds 135°C.

Application Field

The MIC5236-2.5BMM is a low dropout linear voltage regulator, offering excellent performance in applications requiring a low dropout voltage. It is suitable for use in portable electronic devices, digital cameras, and battery-powered systems. The device is also ideal for applications requiring low noise, such as microphone amplifiers and high-resolution displays. The device is also suitable for automotive applications due to its wide input voltage range.

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