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LM317MKVURG3
+StücklisteIC REG LIN POS ADJ 500MA TO252-3
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HerstellerTexas Instruments
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Herstellerteil #LM317MKVURG3
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Datenblatt LM317MKVURG3 DataSheet
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Paket TO-252 (KVU)-3
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Auf Lager4000
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Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 37V |
| Current-Output | 500mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Übersicht
Description
Designed by Texas Instruments, this particular model comes in a SOT-223 package, which is ideal for applications requiring efficient heat dissipation in a compact form factor. The regulator requires only two external resistors to set the output voltage, which provides flexibility and ease of use in circuit design. The device is commonly used in power supply applications, battery chargers, and adjustable power sources. The LM317MKVURG3's versatility and dependability make it a popular choice for both hobbyist and professional electronic applications.
Equivalent
1. LM317T - by STMicroelectronics and other manufacturers.
2. LM317AT - by ON Semiconductor.
3. L78S05CV - by STMicroelectronics (fixed version with similar application).
4. NTE956 - by NTE Electronics.
5. UA7805 - by Texas Instruments (fixed version).
6. LM1086 - by Texas Instruments (lower dropout version).
These equivalents vary by manufacturer and specifications, so always verify compatibility with your application.
Features
1. Adjustable Output Voltage: It provides an output voltage range of 1.25V to 37V, which can be adjusted using external resistors.
2. Output Current: Capable of delivering up to 500 mA of load current.
3. Line Regulation: It offers excellent line regulation, generally around 0.01%/V.
4. Load Regulation: Ensures good load regulation, typically around 0.1%.
5. Thermal Overload Protection: Equipped with internal thermal overload protection to prevent overheating.
6. Short-Circuit Protection: It has current limiting to protect against short circuits.
7. Safe Operating Area (SOA) Protection: Ensures reliable operation over a wide range of conditions.
8. Low Dropout Voltage: Features a dropout voltage of around 3V.
9. Package: Comes in a SOT-223 package, which is compact and suitable for surface-mount designs.
10. Temperature Range: Operates over a wide temperature range, typically from -40°C to 125°C.
These features make the LM317MKVURG3 ideal for use in power supply applications, adjustable power supplies, and on-board regulation.
Pinout
1. Input (VIN): This pin receives the unregulated input voltage.
2. Output (VOUT): This pin provides the regulated output voltage.
3. Adjust (ADJ): This pin is used to adjust the output voltage by connecting it to a resistor divider network.
The LM317 is commonly used for adjustable voltage regulation, and it can output a voltage range of 1.25V to 37V, depending on the resistor network connected to the ADJ pin. The device can deliver over 1.5A of load current, has a typical line regulation of 0.01%/V, and a load regulation of 0.1%.