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MC33269DTRK-3.3G
+Lista de MateriaisIC REG LINEAR 3.3V 800MA DPAK
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Fabricanteonsemi
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Peça do Fabricante #MC33269DTRK-3.3G
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Pacote DPAK-3
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Em Estoque2747
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 1.35V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 8 mA |
| PSRR | 55dB (120Hz) |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include current limiting, thermal shutdown protection, and an internal short-circuit current limit, ensuring reliability and protection against overloading. The MC33269DTRK-3.3G is available in a compact SOT-223 surface-mount package, which is ideal for space-constrained applications. Its design is optimized for minimal external components, reducing the overall cost and complexity of the circuit.
Typical applications of the MC33269DTRK-3.3G include powering microcontrollers, DSPs, and other digital circuits that require a stable 3.3V supply. Its high performance, along with robust protective features, makes it a popular choice in electronics design.
Equivalent
1. LM1117-3.3 by Texas Instruments - A popular 3.3V LDO regulator.
2. LD1117S33TR by STMicroelectronics - A similar 3.3V LDO regulator.
3. NCP1117DT33 by ON Semiconductor - Another 3.3V LDO option.
4. AS1117-3.3 by AMS - Provides equivalent functionality for 3.3V.
Ensure to verify pin configuration and electrical characteristics for compatibility.
Features
1. Output Voltage: It provides a stable 3.3V output voltage.
2. Output Current: Supports a maximum output current of 800 mA.
3. Low Dropout Voltage: The regulator has a low dropout voltage of typically 1.0V at maximum output current, which enhances efficiency.
4. Thermal Protection: Includes thermal shutdown protection to prevent overheating.
5. Short Circuit Protection: Provides short circuit protection to safeguard the regulator and load.
6. Current Limiting: Features current limiting to maintain safe operation levels.
7. Package Type: Comes in a compact SOT-223 surface-mount package, suitable for space-constrained applications.
8. Low Quiescent Current: Offers low quiescent current, making it energy-efficient and ideal for battery-powered devices.
9. Stability: Designed for stability with low equivalent series resistance (ESR) capacitors.
10. Wide Input Voltage Range: Operates over a wide range of input voltages, enhancing flexibility in power management applications.
These features make the MC33269DTRK-3.3G suitable for a variety of applications requiring regulated low-voltage power.
Pinout
1. Pin 1 (VIN): This is the input pin where the unregulated voltage is supplied. The voltage provided here should be higher than the desired output voltage to ensure proper regulation.
2. Pin 2 (GND): This is the ground pin, and it serves as the return path for the input and output current.
3. Pin 3 (VOUT): This is the output pin from which the regulated 3.3V voltage is provided. It is connected to the load requiring a stable voltage.
The MC33269DTRK-3.3G is designed to maintain a constant 3.3V output with low dropout voltage, making it suitable for applications requiring a stable and precise voltage supply.