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MIC29300-3.3WU
+Lista de MateriaisIC REG LINEAR 3.3V 3A TO263-3
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FabricanteTecnologia Microchip
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Peça do Fabricante #MIC29300-3.3WU
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Ficha Técnica MIC29300-3.3WU DataSheet
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Pacote TO-263-3
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Especificações
| Atributo | Valor |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 26V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.6V @ 3A |
| Current-Output | 3A |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Transient Voltage |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA |
Visão Geral
Description
Key features of this regulator include low dropout voltage, which allows it to maintain regulation with a minimal difference between input and output voltages, making it efficient for battery-powered devices. It also has a high power supply rejection ratio (PSRR), which helps in minimizing the ripple in the output voltage caused by variations in the input voltage.
Furthermore, the MIC29300-3.3WU includes built-in protection features such as current limiting and thermal shutdown to prevent damage from overcurrent conditions or overheating. It is commonly used in applications requiring efficient power management with a stable voltage output, such as in microcontroller-powered devices, communication equipment, and consumer electronics.
Equivalent
Features
1. Output Voltage: Provides a fixed 3.3V output.
2. High Output Current: Supports up to 3A of output current, making it suitable for high-power applications.
3. Low Dropout Voltage: Offers a low dropout of typically 350mV at full load, which enhances efficiency by reducing power loss.
4. Thermal Protection: Includes over-temperature shutdown to protect against overheating.
5. Current Limiting: Features internal current limiting for protection against overload conditions.
6. Fast Transient Response: Quickly responds to changes in load, ensuring stable output voltage.
7. Wide Operating Temperature Range: Can operate effectively over a range from -40°C to +125°C.
8. Package Type: Available in a TO-263-5 package, which provides ease of mounting and excellent thermal performance.
9. Applications: Commonly used in telecommunications, computer systems, and high-efficiency linear power supplies due to its performance characteristics.
These features make the MIC29300-3.3WU a robust choice for applications requiring reliable voltage regulation with minimal power loss.
Pinout
1. Pin 1 (Enable): This is the enable pin. When held high, it enables the regulator; when low, it shuts down the device for power-saving features.
2. Pin 2 (VIN): This is the input voltage pin where the unregulated input voltage is applied.
3. Pin 3 (GND): This is the ground pin. It is the common return path for both the input and the output.
4. Pin 4 (VOUT): This is the regulated output voltage pin. The MIC29300-3.3WU provides a fixed output of 3.3V.
5. Pin 5 (ADJ/GND): In fixed versions like -3.3, it is typically grounded or not present. In adjustable versions, it is used for setting the output voltage.
The regulator is known for delivering up to 3A of output current with a dropout voltage of typically 350mV at full load. It is widely used in applications requiring efficient voltage regulation with minimal power dissipation.
Manufacturer
Application
1. Telecommunications: Used in equipment needing stable voltage supplies.
2. Industrial Automation: Supports devices requiring consistent power.
3. Consumer Electronics: Powers devices like set-top boxes and gaming consoles.
4. Automotive Systems: Supplies regulated power for electronic modules.
5. Embedded Systems: Ensures reliable operation of microcontrollers and processors.
6. Networking Equipment: Powers routers and switches needing precise voltage levels.
Its high current capability and low dropout voltage make it suitable for high-performance systems.