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UA78M33IKVURG3
+Lista de MateriaisIC REG LINEAR 3.3V 500MA TO252-3
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FabricanteTexas Instruments
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Peça do Fabricante #UA78M33IKVURG3
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Ficha Técnica UA78M33IKVURG3 DataSheet
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Pacote TO-252-3
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 25V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 2V @ 350mA |
| Current - Output | 500mA |
| PSRR | 80dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the UA78M33IKVURG3 include thermal shutdown protection, short circuit protection, and safe area protection, which enhance its reliability and longevity in various operational environments. It typically operates with an input voltage range from 5V to 25V. The device is housed in a TO-252 package, allowing for efficient heat dissipation and easy integration into printed circuit boards (PCBs).
The regulator's low dropout voltage and low quiescent current make it suitable for battery-powered devices. With its robust performance and protective features, the UA78M33IKVURG3 is a versatile component for engineers seeking a dependable voltage regulation solution.
Equivalent
1. LM2937-3.3 by Texas Instruments
2. MC33269D-3.3 by ON Semiconductor
3. L78M33ABDT-TR by STMicroelectronics
4. KA78M33 by Fairchild Semiconductor (now part of ON Semiconductor)
These alternatives offer similar voltage regulation, current capabilities, and package options. Always verify specific electrical characteristics and pin configurations to ensure compatibility.
Features
1. Output Voltage: Provides a stable output voltage of 3.3V.
2. Output Current: Can supply up to 500 mA of output current.
3. Input Voltage Range: Supports a wide range of input voltages, typically up to 35V.
4. Thermal Overload Protection: Includes built-in protection against overheating.
5. Short-Circuit Protection: Safeguards against output short circuits.
6. Current Limiting: Protects the IC from excessive current draw.
7. Low Quiescent Current: Optimized for low power use when not driving a load.
8. Operating Temperature Range: Suitable for industrial applications with a range from -40°C to 125°C.
9. Package Type: Available in the TO-252 package, which is suitable for surface-mount applications.
These features make it ideal for use in various applications requiring a reliable 3.3V power supply, such as in embedded systems, consumer electronics, and other low-power devices.
Pinout
The typical pin configuration for the SOT-223 package is as follows:
1. Input: Connects to the input voltage source, which should be higher than 3.3V to ensure proper regulation.
2. Ground: Common ground connection for both input and output.
3. Output: Provides the regulated 3.3V output.
4. Tab: Also a ground connection, often used for heat dissipation.
The UA78M33IKVURG3 features built-in protection mechanisms such as thermal shutdown and current limiting, making it a reliable choice for various electronic applications.