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LF33ABDT-TR
+BOMIC REG LINEAR 3.3V 500MA DPAK
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メーカーRFE/フューゼテック
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メーカー品番 #LF33ABDT-TR
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データシート LF33ABDT-TR DataSheet
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パッケージ TO252-3
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在庫状況4062
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.7V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 1 mA |
| Current-Supply(Max) | 12 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 65dB) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
概要
Description
The LF33ABDT-TR is a low-dropout linear voltage regulator designed for providing a stable output voltage with minimal input and output voltage difference. It is typically used in electronic circuits to deliver a regulated output voltage for powering components, ensuring consistent performance even with fluctuations in the input voltage. The device is housed in a TO-252 package, suitable for surface mounting, which makes it ideal for space-constrained applications.
This regulator features a low dropout voltage, meaning it can maintain the output regulation even with a small difference between the input and output voltages. It is equipped with internal current limiting and thermal shutdown, enhancing its reliability and protecting it from damage due to overcurrent or overheating. The LF33ABDT-TR is commonly used in consumer electronics, automotive, and industrial applications, where a stable and reliable voltage supply is crucial. Its easy-to-use design allows for easy integration into various circuits, making it a popular choice for engineers and designers.
This regulator features a low dropout voltage, meaning it can maintain the output regulation even with a small difference between the input and output voltages. It is equipped with internal current limiting and thermal shutdown, enhancing its reliability and protecting it from damage due to overcurrent or overheating. The LF33ABDT-TR is commonly used in consumer electronics, automotive, and industrial applications, where a stable and reliable voltage supply is crucial. Its easy-to-use design allows for easy integration into various circuits, making it a popular choice for engineers and designers.
Equivalent
The LF33ABDT-TR is a low-dropout linear voltage regulator. Equivalent products may include:
1. LM1117 from Texas Instruments
2. NCP1117 from ON Semiconductor
3. LE33 from STMicroelectronics
4. MIC29302 from Microchip Technology
5. AS1117 from ams AG
These equivalents offer similar voltage regulation with low dropout characteristics, but always verify specific requirements and compatibility in your application.
1. LM1117 from Texas Instruments
2. NCP1117 from ON Semiconductor
3. LE33 from STMicroelectronics
4. MIC29302 from Microchip Technology
5. AS1117 from ams AG
These equivalents offer similar voltage regulation with low dropout characteristics, but always verify specific requirements and compatibility in your application.
Features
The LF33ABDT-TR is a low-dropout voltage regulator from STMicroelectronics. It provides a fixed output voltage of 3.3V with a maximum output current of 0.5A. This regulator is designed for applications requiring efficient power management and stable voltage output. Key features include:
1. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of typically 0.45V at 0.5A.
2. Thermal Protection: Built-in protection against overheating enhances reliability and prevents damage from excessive temperatures.
3. Short-Circuit Protection: Safeguards against overcurrent conditions, ensuring durability and safety.
4. Low Quiescent Current: Offers energy-efficient performance with reduced power consumption during idle states.
5. Input Voltage Range: Operates with an input voltage from 4.5V to 16V, making it versatile for various applications.
6. Surface-Mount Package: Available in a DPAK package, suitable for compact and space-constrained designs.
7. Stability with Capacitors: Compatible with low ESR output capacitors, ensuring stable and ripple-free voltage output.
These features make the LF33ABDT-TR suitable for use in consumer electronics, automotive applications, and other systems requiring reliable voltage regulation.
1. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of typically 0.45V at 0.5A.
2. Thermal Protection: Built-in protection against overheating enhances reliability and prevents damage from excessive temperatures.
3. Short-Circuit Protection: Safeguards against overcurrent conditions, ensuring durability and safety.
4. Low Quiescent Current: Offers energy-efficient performance with reduced power consumption during idle states.
5. Input Voltage Range: Operates with an input voltage from 4.5V to 16V, making it versatile for various applications.
6. Surface-Mount Package: Available in a DPAK package, suitable for compact and space-constrained designs.
7. Stability with Capacitors: Compatible with low ESR output capacitors, ensuring stable and ripple-free voltage output.
These features make the LF33ABDT-TR suitable for use in consumer electronics, automotive applications, and other systems requiring reliable voltage regulation.
Pinout
The LF33ABDT-TR is a voltage regulator with 3 pins. It is designed to provide a fixed 3.3V output voltage from a higher voltage input, typically ranging from 4.5V to 20V. Here are the functions of its pins:
1. Input (IN): This pin is connected to the input voltage source. It accepts the higher input voltage that needs to be regulated down to 3.3V.
2. Ground (GND): This is the common ground pin for both the input and output. It serves as the reference point for the input and output voltages.
3. Output (OUT): This pin provides the regulated 3.3V output voltage to the load.
The LF33ABDT-TR is commonly used in applications requiring a stable 3.3V power supply, such as microcontrollers, sensors, and communication devices. Its compact size and ease of use make it suitable for various electronic projects and devices.
1. Input (IN): This pin is connected to the input voltage source. It accepts the higher input voltage that needs to be regulated down to 3.3V.
2. Ground (GND): This is the common ground pin for both the input and output. It serves as the reference point for the input and output voltages.
3. Output (OUT): This pin provides the regulated 3.3V output voltage to the load.
The LF33ABDT-TR is commonly used in applications requiring a stable 3.3V power supply, such as microcontrollers, sensors, and communication devices. Its compact size and ease of use make it suitable for various electronic projects and devices.
Manufacturer
The LF33ABDT-TR is manufactured by STMicroelectronics, a global leader in the semiconductor industry. STMicroelectronics is known for designing, developing, and manufacturing a wide range of semiconductor products, including integrated circuits and discrete devices. The company serves a variety of markets, including automotive, industrial, personal electronics, and communications equipment.
STMicroelectronics operates as an independent device manufacturer and is recognized for its innovation and commitment to sustainability. It is headquartered in Geneva, Switzerland, and has a significant presence worldwide, with multiple research and development facilities, manufacturing plants, and sales offices. The company focuses on providing cutting-edge technology solutions that improve the efficiency and performance of electronic devices and systems across a broad spectrum of applications.
STMicroelectronics operates as an independent device manufacturer and is recognized for its innovation and commitment to sustainability. It is headquartered in Geneva, Switzerland, and has a significant presence worldwide, with multiple research and development facilities, manufacturing plants, and sales offices. The company focuses on providing cutting-edge technology solutions that improve the efficiency and performance of electronic devices and systems across a broad spectrum of applications.
Application
The LF33ABDT-TR is a low-dropout (LDO) voltage regulator primarily used in applications requiring stable and precise voltage regulation in the presence of varying input voltages. Its application areas include consumer electronics, telecommunications, and automotive systems. It is suitable for powering microcontrollers, microprocessors, and other digital circuits that require a consistent power supply. The device is also used in battery-powered devices due to its low quiescent current and efficiency in regulating voltage. Additionally, it is common in industrial and instrumentation applications where reliable voltage regulation is critical.
Package
The LF33ABDT-TR is a low-dropout linear voltage regulator in a DPAK (TO-252) package type, commonly used for surface-mount applications.
