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LM317LCPK
+物料清單IC REG LIN POS ADJ 100MA SOT89-3
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製造商德州儀器
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製造商部分 #LM317LCPK
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有存貨2844
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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 38V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 32V |
| Current-Output | 100mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-243AA |
概述
Description
The LM317LCPK features built-in current limiting, thermal overload protection, and safe area compensation, making it reliable and durable under various operating conditions. Its compact TO-92 package is ideal for space-constrained applications. Moreover, the device can achieve a high level of precision and performance with a typical line regulation of 0.01% and load regulation of 0.1%. Due to its ease of use and reliable performance, the LM317LCPK is favored in both hobbyist and professional electronics projects.
Equivalent
Features
1. Adjustable Output Voltage: It allows for an output voltage range from 1.25V to 37V, with the ability to fine-tune to the desired level using external resistors.
2. Output Current: It can supply a maximum output current of 100 mA.
3. Load Regulation: Provides excellent load regulation to maintain consistent output voltage despite changes in load current.
4. Line Regulation: Delivers stable performance across a wide range of input voltages.
5. Thermal Overload Protection: Includes built-in thermal protection to prevent damage from overheating.
6. Short Circuit Protection: Guards against short circuits by limiting the current.
7. Safe Operating Area (SOA) Protection: Ensures the device operates within safe limits to prevent stress damage.
8. Package Options: Available in various package types, including TO-92 and SOT-223, for versatile design integration.
9. Low Dropout Voltage: Offers a low dropout voltage of typically around 3V.
These features make the LM317LCPK suitable for a wide range of applications in power supply design and electronics projects.
Pinout
1. Input (Vin): This pin is where the unregulated voltage is applied. The LM317LCPK can handle input voltages up to 40V.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage can be adjusted from 1.25V to 37V using external resistors.
3. Adjust (Adj): This pin is used for adjusting the output voltage. By connecting a variable resistor between the adjust pin and the output pin, the output voltage can be set to the desired level.
The LM317LCPK is widely used for applications needing a stable adjustable output voltage, such as power supplies and battery chargers. It offers thermal overload protection and short-circuit protection, enhancing its reliability in various applications.