LM317LZG

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LM317LZG

IC REG LINEAR POS ADJ 100MA TO92

  • Hersteller
  • Fr. Teil #LM317LZG
  • Paket TO-92-3
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Spezifikationen

Package Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 37V
Current-Output 100mA
Current-Quiescent(Iq) 10 mA
PSRR 80dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Through Hole
Package/Case TO-226-3, TO-92-3 Long Body

Übersicht

Description

The LM317LZG is a versatile, adjustable voltage regulator designed for applications requiring output voltage regulation. It is part of the LM317 series, known for its ability to provide a stable output voltage that can be adjusted from 1.25V to 37V, depending on the input voltage and external components used. With a 100mA output current capability, this device is well-suited for low-power applications.
The LM317LZG features internal current limiting, thermal overload protection, and safe area compensation, ensuring reliable operation under various conditions and preventing damage due to overheating or overcurrent. This makes it a robust choice for circuit designers.
Common applications include power supplies, battery chargers, and LED drivers, where precise voltage control is necessary. The device is typically used in conjunction with two resistors to set the desired output voltage. Its TO-92 package allows for easy integration into a wide range of electronic projects.
Overall, the LM317LZG is appreciated for its flexibility, reliability, and ease of use in creating regulated power supplies for various electronic devices.

Features

The LM317LZG is a versatile, adjustable voltage regulator that can provide a stable output voltage ranging from 1.25V to 37V with an input-output differential of 3V to 40V. It can deliver an output current up to 100mA. Key features include:
1. Adjustable Output: It allows for a wide range of output voltage adjustments via two external resistors.
2. Line Regulation: Typically around 0.01% per volt, ensuring minimal output voltage variation with changes in input voltage.
3. Load Regulation: Typically 0.1%, providing consistent output voltage even with varying load conditions.
4. Thermal Protection: It features built-in thermal overload protection, preventing damage from overheating.
5. Current Limiting: Offers internal current limiting for protection against overload conditions.
6. Safe Area Compensation: Ensures safe operation by maintaining proper voltage and current limits.
7. Small Size: Available in compact packages, suitable for space-constrained applications.
These features make the LM317LZG suitable for various applications requiring a reliable and adjustable power supply, such as in power management systems and battery chargers.

Package

The LM317LZG is a three-terminal adjustable voltage regulator typically packaged in the TO-92 package type. This package is commonly used for low-power components and is characterized by its small, plastic, and cylindrical shape with three leads.

Pinout

The LM317LZG is a three-pin adjustable voltage regulator. The pin configuration is as follows:
1. Input (Vin): This pin receives the unregulated input voltage that you wish to regulate.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage can be adjusted from 1.25V to 37V by using external resistors.
3. Adjustment (Adj): This pin is used to adjust the output voltage. By connecting a resistor network between the output and adjustment pin, you can set the desired output voltage.
The LM317LZG is commonly used in power supply applications where a stable output voltage is required and can deliver up to 100 mA of output current.

Manufacturer

The LM317LZG is manufactured by ON Semiconductor. ON Semiconductor is a leading supplier of semiconductor-based solutions, providing a comprehensive portfolio of energy-efficient power and signal management, logic, standard, and custom devices. The company serves a wide range of industries including automotive, communications, computing, consumer electronics, industrial, medical, and aerospace/military sectors. ON Semiconductor specializes in designing and manufacturing semiconductors that help engineers solve their design challenges in the increasingly connected world.

Application

The LM317LZG is a versatile voltage regulator suitable for various applications, including power supply design, battery chargers, adjustable power supplies, and constant current regulators. It's used in situations requiring an adjustable output voltage, from voltages ranging from 1.25V to 37V, with a current capability up to 100 mA. Its reliability and ease of use make it suitable for projects in consumer electronics, telecommunications, and industrial equipment.

Equivalent

The LM317LZG is a low-current adjustable voltage regulator. Equivalent products include:
1. TL317L by Texas Instruments
2. MC317L by ON Semiconductor
3. UA78L33 by Texas Instruments (for fixed outputs)
4. NJM317 by New Japan Radio Co.
5. AZ1117C by Diodes Incorporated
These equivalents provide similar adjustable output voltage capabilities and are compatible in applications where the LM317LZG is used.

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