MIC2178BWM-TR

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The MIC2178BWM-TR is a highly integrated device that provides a high-performance and low-cost step-down DC-DC switching regulator solution. It is specifically designed for use in space-constrained applications, such as various consumer electronics or computing products, communication devices, and automotive electronics. This specialized step-down DC-DC regulator can efficiently regulate both input voltage and output voltage of up to 24V on a wide range of loads with a minimum of external components.

The MIC2178BWM-TR regulator is capable of providing an output voltage capability of up to 24V, as well as a low dropout voltage (LDV) of 0.2V. The wide input voltage range of 3V to 24V ensure stability and reliability under harsh environmental conditions, while the narrow output voltage range of 0.8V to 24V, provides great flexibility for a range of applications. The low external components count provides a high level of integration and cost savings. Additionally, the device features a high-accuracy onboard thermal protection circuit, allowing for effective heat management.

The MIC2178BWM-TR is based on a current-mode architecture, combined with synchronous rectifier technology and wide switching frequency range to provide high efficiency across a wide range of input and output voltage combinations. The controlled on-time operating frequency is adjustable from 300 kHz to 2 MHz. The wide switching frequency range allows for operation in low noise constraints, enabling the design of a low-noise, high-efficiency power supply.

The integrated synchronous rectifier, combined with the internal MOSFET, further extends the efficiency and reduces the external components count. This results in a lower total system cost, while still providing high quality DC power conversion. The device can operate in two different modes: one with a fixed frequency of 2 MHz, and the other with an adjustable frequency range of 300 kHz to 2 MHz. The wide range of frequency operation provides flexibility to the designer, allowing them to tune the operating frequency and output voltage as needed.

In addition to providing fast transient response, the MIC2178BWM-TR regulator also features an advanced current limit for improved protection against overcurrent and short-circuit conditions. With on-board soft-start and output voltage-preload capabilities, it is able to provide reliable, stable, and accurately controlled output voltage. Additionally, the device is designed with over-voltage and over-temperature protections to ensure safety even in the harshest operating conditions.

The MIC2178BWM-TR regulator is highly integrated and cost-effective, with a wide input voltage range and adjustable output voltage that can be programmed by an external resistor. It is capable of providing a high level of performance, efficiency, and high accuracy, making it ideal for applications requiring a reliable and cost-effective power solution. The device is available in an ultra-small package, making it suitable for applications that require very small form factors, such as portable electronic devices. Its efficiency, flexibility and low external component count make it one of the best switches in its class.

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