| Allicdata Part #: | MIC5190BMM-TR-ND |
| Manufacturer Part#: |
MIC5190BMM-TR |
| Price: | $ 2.02 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC LNR REG CTRLR 1OUT 10MSOP |
| More Detail: | Linear Regulator Controller IC Positive Adjustable... |
| DataSheet: |  MIC5190BMM-TR Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 1.83827 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Discontinued at Digi-Key |
| Type: | Positive Adjustable |
| Number of Outputs: | 1 |
| Current - Supply: | 15mA |
| Voltage - Input: | 0.9 V ~ 5.5 V |
| Operating Temperature: | -40°C ~ 125°C |
| Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package: | 10-MSOP |
| Base Part Number: | MIC5190 |
Description
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The MIC5190BMM-TR voltage linear regulator controller is a high-efficiency device used in applications where peak efficiency is requested. It uses a “floating headroom” concept that significantly reduces power losses in response to load changes, resulting in higher efficiency when compared to other linear regulators. Additionally, the MIC5190BMM-TR features a unique spread spectrum modulation feature that minimizes system electromagnetic interference (EMI), allowing it to meet stringent EMI requirements.The MIC5190BMM-TR linear regulator controller is mainly used in 5V and 3.3V power systems for general-purpose applications, sub-notebook computers, high-end servers, telecommunication devices, IT equipment, industrial control and instrumentation products. It can output 600mA of current and provide peak efficiencies as high as 92%.The main components of the MIC5190BMM-TR are a power input, the regulator IC itself, a coordinator, an on-off monitor with lossless current sensing and a feedback circuit. The controller uses a dual rail voltage to drive the regulator IC. The coordinator senses the input rail and turns on the IC in response to a low voltage at the output. The on-off monitor provides an overvoltage, overcurrent, and open-loop protection as well as a lossless current sense feature. The feedback circuit is responsible for adjusting the output voltage and providing a feedback loop, while the regulator IC controls the output voltage to maintain the set voltage.The MIC5190BMM-TR linear regulator controller involves two stages: a voltage step-up circuit and a voltage step-down circuit. In the step-up circuit, when the input voltage rises, the current through the transistor increases and generates a voltage drop across the resistor, causing the output voltage to increase. Similarly, the output voltage decreases when the input voltage decreases. The step-down circuit works the same way, but in reverse, decreasing the output voltage when the input voltage rises and increasing the output voltage when the input voltage falls.The MIC5190BMM-TR operates by providing an output voltage that is above the regulated voltage for a certain amount of time and then adjusts the output voltage until it is within the tolerance of the specified voltage. This is known as current-mode control. The output voltage is typically set using an external resistor divider, but can be set using other methods as well.The MIC5190BMM-TR also features a unique spread spectrum modulation that minimizes system EMI. This modulation reduces the amount of high frequency energy generated by the regulator, thus reducing the amount of EMI. Additionally, the MIC5190BMM-TR can be used in a variety of power system configurations, including positive or negative voltage references.In conclusion, the MIC5190BMM-TR is an efficient and technically advanced voltage regulator that provides superior performance in applications where peak efficiency is desired. With its unique spread-spectrum modulation technology, the device can meet stringent EMI regulations and can be used in both 5V and 3.3V power systems.
The specific data is subject to PDF, and the above content is for reference
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