Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MIC28513-1YFL-T5 Application Field and Working Principle

The MIC28513-1YFL-T5 is a fully-integrated, synchronous buck regulator that enables a maximum input voltage of 5.5 V and an adjustable output voltage of 0.6 V to 5 V. It combines a 4A high-performance switch, a fault comparator, an internal voltage reference and a low-Q RSENSETM resistor. The device is widely used in the field of fixed voltage regulators, especially in the field of DC-DC switching regulators.

Features:

• 4A internal switch
• Adjustable 0.6~ 5V output voltage
• 5.5V maximum input voltage
• Vout tracking
• Maximum Efficiency 95%
• Minimum Output Current 0.01A
• Package: 8-SOIC(PLP)
• Lead Free,RoHS compliant

Application Field:

• Networking Switch
• High Efficiency Computing Equipment
• Notebook PC
• Digital Camera
• Game Console
• Wireless Communications

Working Principle:

The MIC28513-1YFL-T5 employs a Pulse Width Modulation (PWM) control scheme to regulate the output voltage. The device uses voltage regulation by Pulse Width Modulation, which can be used to set and regulate the output voltage. The duty cycle of the PWM is used to control the voltage at the output. The duty cycle can be adjusted to achieve the desired output voltage. The output voltage is monitored by the built-in analog/digital converter and is used to adjust the duty cycle as needed to maintain the output voltage at the desired level.

The device also provides internal temperature compensation that provides protection for the device against overcurrent, overtemperature and overvoltage. The faults are detected by the on-chip fault comparator, which monitors the output voltage, current, and temperature. If the monitored values exceed predetermined limits, the output is disabled and the fault comparator will latch and generate a fault signal to create a latching circuit.

The device also features built-in soft-start and current limit functions. Soft-start is used to limit the inrush current at startup, while current limit helps to prevent overcurrent conditions in the output voltage. The maximum output current can be set with an external resistor.

Conclusion:

The MIC28513-1YFL-T5 is a high-performance, cost-effective, and versatile synchronous buck regulator that is capable of providing a maximum input voltage of 5.5 V and a conditionable output voltage of 0.6 V to 5 V. Its built-in features such as voltage regulation by Pulse Width Modulation, temperature compensation, soft-start, and current limit make it an ideal solution for many applications in the field of DC-DC switching regulators.

The specific data is subject to PDF, and the above content is for reference