MIC38C45YMM-TR

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MIC38C45YMM-TR is a DC to DC switching controller from the family of voltage regulators. The MIC38C45YMM-TR is designed to provide efficient and cost-effective performance in an eight-pin wide-body SOIC and TSSOP packages. It has several features that benefit a variety of applications, including frequency and power sequencing, a low threshold UVLO (Under Voltage Lock Out) circuit, input voltage and thermal protection, a 1.25V reference, PWM sensing, and a programmable external oscillator.

This DC to DC switching controller is ideal for a variety of applications, including, but not limited to, automotive, servers, telecom equipment, industrial equipment, and computer peripherals. It operates over a wide input voltage range of 6V to 30V and can provide up to 2A of current, enabling wide compatibility. It is also capable of generating multiple supplies with outputs of up to 1A at 3.3V and 1.8V simultaneously.

The MIC38C45YMM-TR features a variable switching frequency of up to 800kHz. This enables faster load transient and higher efficiencies, which make it ideal for applications with tight space constraints. Additionally, it can be adjusted from 10kHz to 800kHz with an external resistor connected to the FREQ pin. It also features a low start-up voltage of 1.6V, making it ideal for fast start-up applications.

The MIC38C45YMM-TR also features a wide range of external features that can be used to optimize the design for a variety of applications. These features include a low threshold UVLO circuit, input voltage and thermal protection, a 1.25 V reference, PWM sensing, and a programmable external oscillator. The UVLO is used to protect the device under low input voltage conditions and the input voltage protection circuit protects the device from reversed input voltage or over-voltage conditions. The 1.25 V reference provides a stable reference voltage, which can be used to accurately set the operating frequency of the device.

In addition to its protection features, the MIC38C45YMM-TR also has several design advantages. It offers up to 95% efficiency, making it an ideal solution for power sensitive applications. It also has a low quiescent current, which reduces power dissipation during standby and inactive modes. Finally, the device features an adjustable Power Good (PG) signal, which allows for a smooth transition from start-up to steady state. The PG signal provides a signal to the external controller the switching controller is working correctly.

In summary, the MIC38C45YMM-TR is an efficient and cost-effective DC to DC switching controller from the family of voltage regulators. It is designed to provide a wide range of features, including protection circuits, a low start-up voltage, a programmable external oscillator, adjustable power good signal and power sequencing. It offers excellent performance with up to 95% efficiency, making it an ideal solution for power sensitive applications. Its wide input voltage range and low quiescent current make it ideal for a variety of applications in automotive, telecom, computer and industrial equipment markets.

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