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L78L33ABD-TR
+BOMIC REG LINEAR 3.3V 100MA 8-SOIC
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #L78L33ABD-TR
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Bảng dữ liệu L78L33ABD-TR DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min / Fixed) | 3.3V |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 5.5 mA |
| Current - Supply (Max) | 6 mA |
| PSRR | 49dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | L78L33 |
Tổng quan
Description
Key features include thermal shutdown and short-circuit protection, ensuring reliability and safety in various applications. Its low quiescent current makes it suitable for battery-powered devices. The "TR" in the part number indicates that it is supplied in tape and reel packaging, which is convenient for automated assembly processes.
The L78L33ABD-TR is typically housed in a small SOT-89 package, which is suitable for compact circuit designs. It is commonly used in applications including consumer electronics, industrial equipment, and communication devices where a stable 3.3V power supply is required. The regulator's ease of use and protection features make it ideal for both hobbyist projects and professional designs.
Equivalent
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. MC78L33 by ON Semiconductor
4. LP2950-3.3 by Texas Instruments
5. NCP1117-3.3 by ON Semiconductor
Ensure compatibility by checking specific parameters like output current, dropout voltage, and package type.
Features
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Output Current: Can supply up to 100 mA of output current.
3. Dropout Voltage: Low dropout voltage, typically around 1.7V at 100 mA.
4. Thermal Protection: Includes thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Equipped with short-circuit protection for enhanced reliability.
6. Input Voltage Range: Handles a wide input voltage range from 5V to 30V.
7. Package: Available in a small surface-mount SOT-89 package, making it suitable for space-constrained applications.
8. Low Quiescent Current: Consumes minimal quiescent current, improving efficiency in battery-powered devices.
9. Stability: Designed for stability with low ESR output capacitors.
10. Applications: Suitable for use in applications such as battery-powered devices, microcontroller power supplies, and other electronics requiring a reliable 3.3V power source.
These features make it a versatile choice for various low-power electronic projects.
Pinout
The pin configuration is as follows:
1. Input: This pin is connected to the higher input voltage that needs regulation.
2. Ground: This pin is connected to the ground of the circuit and acts as the reference point for the input and output voltages.
3. Output: This pin provides the regulated 3.3V output.
The L78L33ABD-TR is a linear voltage regulator commonly used in electronic circuits to ensure a stable power supply for sensitive components. It offers short-circuit protection and thermal shutdown features for enhanced reliability.
Manufacturer
Application
1. Consumer Electronics: Provides stable voltage supply for gadgets like smartphones, tablets, and wearable devices.
2. Industrial Equipment: Ensures reliable power for sensors and control systems.
3. Telecommunications: Supports stable power for communication devices.
4. Automotive: Powers microcontrollers and other electronic components in vehicles.
5. Computing: Used in power management for microprocessors and memory units.
Its small size and low power consumption make it ideal for portable and battery-powered devices.