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MIC22405YML-TR
+Lista de MateriaisIC REG BUCK ADJ 4A 20MLF
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FabricanteTecnologia Microchip
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Peça do Fabricante #MIC22405YML-TR
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.9V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.7V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 4A |
| Frequency-Switching | 1MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad, 20-MLF® |
| SupplierDevicePackage | 20-MLF® (3x4) |
| BaseProductNumber | MIC22405 |
Visão Geral
Description
Key features of the MIC22405YML-TR include its ability to handle high load currents, typically up to 5A, and its constant frequency PWM operation, which helps in reducing output noise and achieving fast transient response. The device is integrated with internal MOSFETs, allowing for a compact design with minimal external components.
The regulator also features overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under various conditions. Its compact, thermally-efficient package makes it ideal for space-constrained applications. Additionally, the MIC22405YML-TR offers adjustable output voltage settings, providing versatility for different design requirements.
Equivalent
1. Texas Instruments TPS54620 - A synchronous step-down converter with similar specifications.
2. Analog Devices ADP2370 - A high-efficiency, step-down DC-DC regulator.
3. Linear Technology (now Analog Devices) LTC3605 - A high-efficiency synchronous buck regulator.
4. Maxim Integrated (now part of Analog Devices) MAX15021 - A high-efficiency step-down DC-DC converter.
Always verify specifications as they might differ based on specific requirements.
Features
1. Input Voltage Range: It operates with an input voltage range from 2.9V to 5.5V, making it suitable for various applications powered by standard supply voltages.
2. Output Current: The device can deliver up to 4A of continuous output current, supporting a wide range of power needs.
3. Efficiency: High efficiency is a core feature, often reaching up to 95%, which minimizes power loss and heat generation.
4. Switching Frequency: The regulator features a fixed 1MHz switching frequency, balancing efficiency and component size.
5. Low Output Voltage: It supports adjustable output voltage down to 0.8V, providing flexibility for different circuit requirements.
6. Protection Features: Over-current protection (OCP) and thermal shutdown (TSD) are included to enhance reliability and safeguard against damage.
7. Compact Package: The device is packaged in a small 24-pin, 4mm x 4mm, leadless QFN package, ideal for space-constrained applications.
These features make the MIC22405YML-TR ideal for applications in consumer electronics, telecommunications, and networking equipment.
Pinout
1. Input Voltage: It operates from a wide input voltage range, typically from 2.9V to 5.5V.
2. Output Current: It can deliver up to 5A of continuous output current.
3. Output Voltage: The output voltage is adjustable, typically via an external resistor divider.
4. Efficiency: High efficiency due to its synchronous rectification design.
5. Switching Frequency: It operates at a fixed frequency, offering fast transient response and minimal external component size.
6. Protection Features: Includes features such as undervoltage lockout, over-temperature protection, and current limit protection.
This combination of features makes it suitable for applications requiring efficient power conversion in a compact form factor. Always refer to the specific datasheet from the manufacturer for detailed pin functions and electrical characteristics.