LM317LIDR

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LM317LIDR

IC REG LIN POS ADJ 100MA 8SOIC

  • 제조업체
  • Mfr.부분 #LM317LIDR
  • 패키지 SOIC (D)-8
  • 데이터시트
  • 재고 있음2048

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 38V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 32V
Current-Output 100mA
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

개요

Description

The LM317LIDR is a popular adjustable voltage regulator from Texas Instruments, part of the LM317 series, designed for various electronic applications. It provides an output voltage range of 1.25V to 37V and can deliver up to 100mA of load current. Its key feature is the ability to adjust the output voltage via two external resistors, making it versatile for use in power supply circuits.
This device is known for its high performance and reliability, with features such as current limiting, thermal overload protection, and safe area compensation. These features ensure the regulator operates safely under different conditions, preventing damage from overcurrent and excessive heat.
The LM317LIDR is typically used in various applications, including battery chargers, power supplies, and other consumer electronics where a stable and adjustable output voltage is required. It is available in a surface-mount package, making it suitable for compact circuit designs. Overall, the LM317LIDR offers a cost-effective solution for adjustable voltage regulation with robust operational stability.

Features

The LM317LIDR is a versatile, adjustable voltage regulator. Key features include:
1. Adjustable Output: It provides an output voltage range from 1.25V to 37V with external resistor adjustments.
2. Output Current: It can supply up to 100 mA of output current.
3. Line Regulation: Offers excellent line regulation of typically 0.01%/V.
4. Load Regulation: Provides good load regulation of 0.1% typically.
5. Thermal Overload Protection: Includes built-in thermal overload protection to prevent overheating.
6. Short-Circuit Protection: Features current limiting for short-circuit protection.
7. Dropout Voltage: Has a dropout voltage of around 3V, ensuring proper functioning even at low input-output differential voltages.
8. Temperature Stability: Exhibits high temperature stability of 0.5% over the specified temperature range.
9. Package Options: Available in surface-mount packages like SOT-223, making it suitable for compact designs.
10. Applications: Commonly used in power management systems, DC voltage regulation, and battery-powered devices.
These features make the LM317LIDR ideal for applications requiring reliable voltage regulation with adjustable output in compact form factors.

Package

The LM317LIDR is a voltage regulator packaged in a surface-mount SOT-223 package. It is designed for adjustable voltage regulation with features like thermal overload protection and short-circuit current limiting.

Pinout

The LM317LIDR is a voltage regulator IC with a pin count of three. These pins have the following functions:
1. Input (Vin): This pin receives the unregulated input voltage, which the IC regulates to a constant output voltage.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage is adjustable between 1.25V to 37V, depending on the resistor values connected to the adjustment pin.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting a resistor divider network between the output, adjust pin, and ground, you can set the desired output voltage. The voltage across the adjust pin remains constant at 1.25V.
The LM317LIDR is commonly used for applications requiring a variable power supply. It is designed to provide a high level of performance with a low dropout voltage and is suitable for use in various electronic circuits where stable voltage regulation is necessary.

Manufacturer

The LM317LIDR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a range of integrated circuits and semiconductor devices. The company is well-known for its innovations in analog and embedded processing, which are critical components in electronics. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leading player in the technology industry, providing solutions that improve performance and efficiency in various applications, including automotive, industrial, personal electronics, and communications equipment. TI's extensive portfolio and commitment to research and development have made it a key supplier in the electronics market.

Application

The LM317LIDR is a versatile voltage regulator used in applications such as power supply design, battery chargers, adjustable voltage regulators, and LED drivers. It is ideal for providing a stable output voltage from a higher input voltage, making it suitable for embedded systems, consumer electronics, and industrial equipment requiring precise voltage regulation. Its adjustable output capability allows customization for specific voltage requirements, while its robustness ensures reliable performance in various electronic circuits.

Equivalent

Equivalent products for the LM317LIDR, a voltage regulator, include the LM317 series from other manufacturers, such as:
1. LM317L by ON Semiconductor
2. LM317 by STMicroelectronics
3. LM317 by Fairchild Semiconductor
4. KA317 by Samsung
5. NTE956 by NTE
These alternatives offer similar adjustable voltage outputs and performance characteristics. Always verify specifications from datasheets to ensure compatibility for your specific application.

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