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LM317LZG
+StücklisteIC REG LINEAR POS ADJ 100MA TO92
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HerstellerOnsemi
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Herstellerteil #LM317LZG
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Paket TO-92-3
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Auf Lager5294
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Spezifikationen
| Attribut | Wert |
| 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
Key features include a wide input voltage range, high load regulation, and thermal overload protection, ensuring reliability under varying conditions. It also offers short-circuit protection, enhancing its robustness against fault conditions. The device can achieve a precise output voltage by using two external resistors, allowing for easy customization for specific needs.
The LM317LZG is typically packaged in a TO-92 or SOT-223, facilitating its use in both through-hole and surface-mount configurations. Its compact size and efficient performance make it an ideal choice for circuit designers looking for a simple yet effective voltage regulation solution.
Equivalent
1. LM317LZ by Texas Instruments
2. UA7800 series by Texas Instruments
3. L78L series by STMicroelectronics
4. KA317 by ON Semiconductor
5. NTE965 by NTE Electronics
These alternatives offer similar functionality, but it's important to check specific electrical characteristics and package types to ensure compatibility with your application.
Features
1. Output Voltage Range: Adjustable from 1.25V to 37V, providing flexibility for various applications.
2. Output Current: Capable of supplying a maximum output current of 100 mA, suitable for low-power devices.
3. Line Regulation: Offers good line regulation, typically 0.01%/V, ensuring stable output despite input voltage fluctuations.
4. Load Regulation: Typically 0.1%, maintaining a steady output voltage under varying load conditions.
5. Thermal Protection: Includes built-in thermal overload protection to prevent damage due to excessive heat.
6. Current Limiting: Features current limiting to protect the device and connected circuitry from overcurrent conditions.
7. Package Type: Available in TO-92 and other package options for easy integration into designs.
8. Low Quiescent Current: Consumes minimal quiescent current, enhancing efficiency in battery-operated applications.
Overall, the LM317LZG is a reliable choice for applications requiring a compact, adjustable voltage regulation solution.
Pinout
1. Input (Vin): This pin is connected to the unregulated input voltage which must be higher than the desired output voltage by at least 3V.
2. Output (Vout): This pin provides the regulated output voltage, which is adjusted based on the resistor network connected between the output and adjustment pins.
3. Adjustment (Adj): This pin is used to set the output voltage. By connecting a resistor between the output and adjustment pins and another resistor between the adjustment pin and ground, the output voltage can be adjusted based on the ratio of these resistors.
The LM317LZG is commonly used in applications requiring a stable and adjustable power supply. It features internal current limiting, thermal shutdown, and safe area compensation to ensure reliable operation.
Manufacturer
Application
1. Power Supply Design: Used to create stable, adjustable power supplies for electronic devices.
2. Battery Chargers: Ideal for designing battery charging circuits where precise voltage control is needed.
3. LED Drivers: Provides a reliable current source for driving LEDs with adjustable brightness.
4. Embedded Systems: Powers microcontrollers and other components requiring specific voltage levels.
5. Test Equipment: Offers adjustable voltage sources for testing and calibration equipment.
Its features like thermal overload protection and short-circuit protection make it suitable for consumer electronics and industrial devices.