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LM317MBSTT3G
+StücklisteIC REG LIN POS ADJ 500MA SOT223
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HerstellerOnsemi
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Herstellerteil #LM317MBSTT3G
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Paket SOT-223-4
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Auf Lager3474
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),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 | 500mA |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Übersicht
Description
This voltage regulator is built with over-temperature and current-limiting protection features, ensuring durability and reliability in various operating conditions. The LM317MBSTT3G comes in a compact SOT-223 surface-mount package, which aids in efficient heat dissipation and is convenient for space-constrained applications.
Its adjustable output voltage is set using two external resistors, allowing for flexibility in different circuit designs. The LM317MBSTT3G is widely used in both consumer and industrial applications due to its robust performance, ease of use, and cost-effectiveness.
Equivalent
1. LM317T by Texas Instruments
2. LM317L by Fairchild Semiconductor
3. L78S by STMicroelectronics
4. NCP1117 by ON Semiconductor
5. LD1085 by STMicroelectronics
These regulators offer similar adjustable voltage output with varying packaging and current ratings. Be sure to check the datasheets for compatibility with your specific application requirements.
Features
1. Adjustable Output: It provides an output voltage range from 1.25V to 37V, which can be set using external resistors.
2. Current Capability: The device can deliver an output current up to 0.5A, making it suitable for various moderate power applications.
3. Thermal Overload Protection: It includes built-in protection against overheating, enhancing reliability.
4. Short-Circuit Protection: The LM317MBSTT3G is protected against short circuits, safeguarding the device and connected components.
5. Safe Operating Area Protection: It ensures the device operates safely within its limits, preventing damage under extreme conditions.
6. Low Dropout Voltage: Offers a dropout voltage of about 3V at full load, which is useful for applications needing low voltage differentials.
7. Package Type: It is available in a TO-252 package, providing a compact form factor suitable for space-constrained designs.
8. Temperature Range: Designed to operate over a wide temperature range, typically from -40°C to +125°C.
These features make the LM317MBSTT3G an ideal choice for applications requiring adjustable voltage regulation with moderate current output.
Pinout
1. Input (IN): This is the pin where the unregulated input voltage is applied. It requires a voltage that is at least 3 volts higher than the desired output voltage to function correctly.
2. Output (OUT): This pin provides the regulated output voltage. The output voltage can be adjusted between 1.25 volts and 37 volts using external resistors.
3. Adjust (ADJ): This pin is used to set the output voltage. By connecting a resistor network between the output pin and this adjust pin, the desired output voltage can be set.
The LM317MBSTT3G is packaged in a SOT-223 package and is used for applications requiring a stable and adjustable output voltage. It typically supports output currents up to 500 mA.
Manufacturer
Application
1. Power Supply Design: Used in linear power supply circuits to provide a stable output voltage from a variable input.
2. Battery Chargers: Employed in battery charging systems for precise voltage regulation.
3. Embedded Systems: Provides reliable power for microcontrollers and other digital circuits.
4. LED Drivers: Used in circuits to maintain consistent LED brightness.
5. Test Equipment: Important in laboratory equipment for maintaining constant voltage levels during tests.
6. Audio Equipment: Ensures stable voltage supply for audio amplifiers.
Its versatility and ease of use make it prevalent in both consumer electronics and industrial applications.