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LM317MKVURG3
IC REG LIN POS ADJ 500MA TO252-3
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- 製造商。 部分 #LM317MKVURG3
- 包 TO-252 (KVU)-3
- 資料表 LM317MKVURG3 DataSheet
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規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 37V |
| Current-Output | 500mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
概述
Description
The LM317MKVURG3 is a versatile, adjustable voltage regulator integrated circuit (IC) designed by Texas Instruments. It is part of the LM317 series, which is renowned for its ability to provide a stable output voltage by adjusting the resistance across its feedback loop. The device can output a voltage range from 1.25V to 37V and can supply up to 500 mA of load current, making it suitable for a variety of applications in power management.
Key features of the LM317MKVURG3 include its ease of use due to the minimal number of external components required, high regulation performance, and thermal overload protection, which enhances reliability. The device also features current limiting and safe area protection, safeguarding it against potential overcurrent conditions.
Designed in a compact SOT-223 package, the LM317MKVURG3 is ideal for applications where space is a constraint, such as portable devices, embedded systems, and other consumer electronics. Its adjustable nature and robust performance make it suitable for both linear voltage regulation and power supply design where precise voltage control is needed.
Key features of the LM317MKVURG3 include its ease of use due to the minimal number of external components required, high regulation performance, and thermal overload protection, which enhances reliability. The device also features current limiting and safe area protection, safeguarding it against potential overcurrent conditions.
Designed in a compact SOT-223 package, the LM317MKVURG3 is ideal for applications where space is a constraint, such as portable devices, embedded systems, and other consumer electronics. Its adjustable nature and robust performance make it suitable for both linear voltage regulation and power supply design where precise voltage control is needed.
Features
The LM317MKVURG3 is a versatile adjustable voltage regulator with several key features:
1. Adjustable Output Voltage: It provides an output voltage range from 1.25V to 37V, allowing for flexible applications.
2. Output Current: It can deliver up to 1.5A of output current with proper heat management, suitable for various power supply designs.
3. Thermal Overload Protection: This feature prevents the device from overheating, ensuring reliability and safety.
4. Short-Circuit Protection: The built-in current limiting feature protects the regulator from damage in the event of a short circuit.
5. Safe Operating Area (SOA) Protection: Ensures stable operation under various load conditions.
6. Low Dropout Voltage: Its low dropout voltage enhances efficiency for the regulator.
7. Package and Mounting: It comes in a SOT-223 package, which is suitable for surface-mount applications.
8. Wide Input Voltage Range: Can operate with input voltages up to 40V.
9. High Line and Load Regulation: Ensures consistent performance with varying input voltages and load currents.
The LM317MKVURG3 is well-suited for applications requiring a stable and adjustable power supply, including consumer electronics and industrial equipment.
1. Adjustable Output Voltage: It provides an output voltage range from 1.25V to 37V, allowing for flexible applications.
2. Output Current: It can deliver up to 1.5A of output current with proper heat management, suitable for various power supply designs.
3. Thermal Overload Protection: This feature prevents the device from overheating, ensuring reliability and safety.
4. Short-Circuit Protection: The built-in current limiting feature protects the regulator from damage in the event of a short circuit.
5. Safe Operating Area (SOA) Protection: Ensures stable operation under various load conditions.
6. Low Dropout Voltage: Its low dropout voltage enhances efficiency for the regulator.
7. Package and Mounting: It comes in a SOT-223 package, which is suitable for surface-mount applications.
8. Wide Input Voltage Range: Can operate with input voltages up to 40V.
9. High Line and Load Regulation: Ensures consistent performance with varying input voltages and load currents.
The LM317MKVURG3 is well-suited for applications requiring a stable and adjustable power supply, including consumer electronics and industrial equipment.
Package
The LM317MKVURG3 is a voltage regulator IC from Texas Instruments, housed in a SOT-223 package. This package type is compact and surface-mount, suitable for applications requiring efficient thermal management and limited PCB space.
Pinout
The LM317MKVURG3 is a voltage regulator IC, specifically an adjustable positive voltage regulator. It typically comes in a 3-pin SOT-223 package. The pin count and functions for this package are as follows:
1. Input (Pin 3): This is where the unregulated voltage is supplied to the regulator. It is the pin that connects to the input voltage source.
2. Output (Pin 2): This pin provides the regulated output voltage. The voltage at this pin is adjusted based on the resistor network connected between the output and adjust pins.
3. Adjust (Pin 1): This pin is used to set the output voltage. By connecting resistors between this pin and the output and ground, you can adjust the output voltage to the desired level.
The LM317MKVURG3 offers an output voltage range of 1.25V to 37V and can deliver over 1.5A of output current, making it suitable for a variety of applications requiring adjustable output voltages.
1. Input (Pin 3): This is where the unregulated voltage is supplied to the regulator. It is the pin that connects to the input voltage source.
2. Output (Pin 2): This pin provides the regulated output voltage. The voltage at this pin is adjusted based on the resistor network connected between the output and adjust pins.
3. Adjust (Pin 1): This pin is used to set the output voltage. By connecting resistors between this pin and the output and ground, you can adjust the output voltage to the desired level.
The LM317MKVURG3 offers an output voltage range of 1.25V to 37V and can deliver over 1.5A of output current, making it suitable for a variety of applications requiring adjustable output voltages.
Manufacturer
The LM317MKVURG3 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic products, including integrated circuits and analog technologies. TI is known for its innovation in the electronics industry and provides solutions across various sectors, including automotive, industrial, personal electronics, and communications equipment.
Application
The LM317MKVURG3 is a versatile voltage regulator commonly used in applications requiring adjustable output voltages. Its application areas include power supplies, battery chargers, and adjustable voltage regulators in consumer electronics, telecommunications, and industrial equipment. It is ideal for use in projects where precise voltage regulation is necessary. Additionally, it can be used in circuits that require a constant current source or for powering operational amplifiers and microcontrollers.
Equivalent
The LM317MKVURG3 is a voltage regulator from Texas Instruments. Equivalent products include:
1. LM317 (various manufacturers) - Standard adjustable voltage regulator.
2. L78xx series (STMicroelectronics, ON Semiconductor) - Fixed voltage regulators with similar functionality.
3. LT1085 (Analog Devices) - Adjustable regulator with similar specs.
4. TL783 (Texas Instruments) - Offers higher voltage range.
5. NCP1117 (ON Semiconductor) - Similar adjustable regulator.
Always check specific performance and package compatibility when selecting an equivalent.
1. LM317 (various manufacturers) - Standard adjustable voltage regulator.
2. L78xx series (STMicroelectronics, ON Semiconductor) - Fixed voltage regulators with similar functionality.
3. LT1085 (Analog Devices) - Adjustable regulator with similar specs.
4. TL783 (Texas Instruments) - Offers higher voltage range.
5. NCP1117 (ON Semiconductor) - Similar adjustable regulator.
Always check specific performance and package compatibility when selecting an equivalent.
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