MIC38C45BM-TR

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The MIC38C45BM-TR is a voltage-mode DC-DC switching controller. It has been designed to operate in three different types of control modes: On/Off, PWM and PFM. It provides a wide variety of features and functions to meet the needs of the most demanding applications. With its integrated pulse-width modulation (PWM) capability, the MIC38C45BM-TR is capable of providing stable operation, efficient power conversion and superior protection for systems across a wide range of temperature and voltage operating conditions.

The MIC38C45BM-TR can be used in applications such as automotive and industrial, medical, telecom, consumer, and military/aerospace. Its major application fields are power supplies, photovoltaic inverters, and battery chargers, DC-DC switching converters, AC-DC and AC-DC resonant converters, up/down converters and a range of other high current and high voltage applications. The device\'s broad input voltage range and its adjustable frequency up to 700 kHz make it suitable for a wide range of power conversion tasks.

The operating temperature range of the MIC38C45BM-TR is -40 to 85°C, and it is available in either a 5-Pin SOT-89 or 14-Pin SOIC package. The device also features an integrated soft-start circuit and a power-on reset circuit. These features help to minimize system noise and transient, reduce start-up time and improve system stability.

The MIC38C45BM-TR voltage conversion process is based on the PWM control principal of pulse width modulation, where only input and output devices are used to control the output voltage. The integrated PWM controller changes the duty cycle of the switch by analyzing the input and output voltages. When the gap between the input and output voltage exists, the comparison of the voltage references generates a control signal that instructs the PWM module to turn the device on or off. The output voltage will remain at the desired level once the comparison is equal.

The MIC38C45BM-TR also features over-current protection, thermal shutdown protection, and over-voltage protection. The over-current protection monitors the current levels in both the input and output sides. If the current levels exceed the predetermined levels, the device will shut down the output in order to protect the system. The integrated thermal shutdown protection will turn off the power switch if the junction temperature exceeds the set temperature limit. Finally, the integrated over-voltage protection will protect the device from internal or external fault conditions. If the device detects an over-voltage condition, it will disable the power switch until the fault condition is corrected, then the power switch will be enabled again.

The MIC38C45BM-TR is a highly efficient, low cost, and reliable voltage-mode DC-DC switching controller ideal for many applications that require a wide variety of features and functions. With its integrated PWM, soft start, and power-on reset circuitry, the MIC38C45BM-TR is capable of providing stable and efficient operation across a wide range of temperature and voltage conditions. It also offers various protection features to prevent failure from external and internal fault conditions. The device is also ideal for a variety of power conversion tasks due to its wide input voltage range and adjustable frequency up to 700 kHz.

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