MIC5210-2.5/3.0BMM

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Introduction

The MIC5210-2.5/3.0BMM is a general purpose, high performance low dropout linear voltage regulator. It has a fast transient response that is ideal for use in a wide variety of applications including battery-powered applications. It is designed to provide a cost effective alternative to linear regulators without having to sacrifice performance.

Application Field and Working Principle

The MIC5210-2.5/3.0BMM is suitable for a wide range of applications including telecom, industrial, computing and consumer. It can be used to regulate the output voltage of a DC-DC converter, providing a constant output voltage over a wide range of operating conditions, or to reduce the input voltage for an application requiring a lower voltage. Additionally, it is well-suited for battery powered applications, such as laptops and cellular phones, where low quiescent current and fast transient response is desired.

The MIC5210-2.5/3.0BMM employs a voltage reference and a pass element to regulate the output voltage. The voltage reference is typically a Zener diode or band-gap reference, while the pass element is a high-side or low-side MOSFET or NPN bipolar transistor. The output voltage is controlled by varying the duty cycle of the pass element, based on the feedback voltage. The pass element also offers protection against over voltage and short circuit current.

The MIC5210-2.5/3.0BMM features a low dropout voltage of 35 mV at 1A and 50 mV at 2A. This low dropout voltage is due to a high current Rating N-channel MOSFET. The device is able to handle a wide range of input voltage, from 3 V to 5 V. It also offers excellent thermal regulation, with a maximum junction temperature of 100°C.

Key Features

The MIC5210-2.5/3.0BMM offers a wide range of features that make it ideal for a variety of linear voltage regulator applications. Some of the key features include:

• High current rating: 2A output current
• Low dropout voltage: 35 mV at 1A and 50 mV at 2A
• Wide input voltage range: 3 V to 5 V
• Excellent line and load regulation: ≤50mV and ≤25mV, respectively
• Fast transient response
• High ripple rejection: >85dB
• Excellent thermal regulation
• Integrated short circuit protection
• No external components required

Conclusion

The MIC5210-2.5/3.0BMM is a high performance linear voltage regulator suitable for a variety of applications. The device offers a low dropout voltage, a wide input voltage range, and excellent line and load regulation. Additionally, the device features a fast transient response, high ripple rejection, and excellent thermal regulation, making it an ideal choice for battery-powered applications. The device also integrates short circuit protection, as well as thermal protection, and requires no external components.

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