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LM317LM
+StücklisteIC REG LIN POS ADJ 100MA 8-SOIC
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HerstellerOnsemi
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Herstellerteil #LM317LM
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Auf Lager7745
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Obsolete |
| Base Product Number | LM317 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 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) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
Übersicht
Description
Key features of the LM317LM include overload protection, internal current limiting, and thermal shutdown to prevent the device from overheating. Its flexibility makes it suitable for a variety of applications, such as power supplies, battery chargers, and other electronic circuits where a stable voltage is essential.
The LM317LM is known for its ease of use and ability to produce a precise output voltage, making it a popular choice among hobbyists and professionals alike. It is packaged in a TO-92 or similar form factor, which is compact and easy to integrate into various electronic projects.
Equivalent
Features
1. Adjustable Output Voltage: The output voltage can be set between 1.25V to 37V using external resistors.
2. Output Current: It provides up to 100 mA of output current.
3. Line Regulation: It offers excellent line regulation, typically 0.01%/V.
4. Load Regulation: Good load regulation of 0.1% is typically achieved.
5. Thermal Overload Protection: The LM317LM includes a built-in protection feature to prevent overheating.
6. Short-Circuit Protection: It prevents damage from short circuits by limiting the output current.
7. Safe Area Protection: Ensures the device operates within safe limits.
8. Low Quiescent Current: This helps in improving efficiency, especially important in battery-powered applications.
9. Wide Input Voltage Range: It can accept input voltages up to 40V.
10. Temperature Range: The device operates efficiently within a range of 0°C to 125°C.
These features make it suitable for a variety of applications in power supply design, including battery chargers and constant-current regulators.
Pinout
1. Input (Vin): This pin receives the unregulated input voltage that you wish to regulate.
2. Output (Vout): This pin delivers the regulated output voltage. The output voltage can be adjusted by connecting a resistor divider between the output and adjustment pins.
3. Adjustment (Adj): This pin allows you to set the output voltage by connecting it to a resistor divider network. The voltage across this pin and the output pin is typically 1.25V.
The LM317LM is commonly used in applications requiring adjustable power supplies, battery chargers, and other circuits needing a stable voltage. It provides features like current limiting, thermal overload protection, and safe area protection.
Manufacturer
1. Texas Instruments (TI):
- Type: Multinational Corporation
- Headquarters: Dallas, Texas, USA
- Specialization: TI specializes in the design and manufacturing of semiconductors and various integrated circuits, including analog and embedded processing products. It serves diverse sectors such as automotive, industrial, personal electronics, and communications equipment.
2. ON Semiconductor (now onsemi):
- Type: Public Company
- Headquarters: Phoenix, Arizona, USA
- Specialization: Onsemi focuses on energy-efficient innovations, offering a broad portfolio of products, including power and signal management, logic, discrete, and custom devices. They cater to automotive, industrial, cloud, medical, and IoT sectors.
Both companies are integral to the electronics industry, providing essential components for a wide array of electronic devices and systems. The LM317LM is a voltage regulator, a critical component used to maintain steady voltage levels in electronic circuits.
Application
Package
Frequently Asked Questions
Q: What is the maximum input voltage supported by the LM317LM?
A: The LM317LM supports a maximum input voltage of 40V, as per the specification.
Q: What output voltage range can the LM317LM provide?
A: It provides an adjustable output voltage range from 1.2V to 37V.
Q: What is the maximum output current of the LM317LM?
A: The maximum output current is 100mA, suitable for low-power applications.
Q: Does the LM317LM include built-in protection features?
A: Yes, it includes over current, over temperature, and short circuit protection.
Q: What is the typical quiescent current for this regulator?
A: The typical quiescent current (Iq) is 10 mA.
Q: What is the operating temperature range for the LM317LM?
A: It operates from 0°C to 125°C, suitable for commercial applications.
Q: In which package is the LM317LM available?
A: It is offered in an 8-SOIC surface-mount package with a tube packaging option.