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LM317EMP
IC REG LIN POS ADJ 1.5A SOT223-4
- Manufacturer
- Mfr. Part #LM317EMP
- Package SOT-223 (DCY)-4
- Datasheet
- In Stock4315
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 37V |
| Voltage-Output(Min/Fixed) | 1.25V |
| Voltage-Output(Max) | 37V |
| Current-Output | 1.5A |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Overview
Description
Key features of the LM317EMP include its ability to maintain a constant voltage output despite changes in input voltage or load conditions, its thermal overload protection, and short-circuit protection which enhance its reliability and safety in diverse applications. The device operates with an input-output voltage differential as low as 3V, making it efficient for many low-dropout applications.
It typically requires two external resistors to set the desired output voltage, allowing for significant flexibility in circuit design. Its straightforward implementation and dependable performance make the LM317EMP a popular choice for voltage regulation in power supplies, battery chargers, and other electronic circuits requiring a stable voltage.
Features
1. Adjustable Output Voltage: It can provide an output voltage that ranges from 1.25V to 37V, making it versatile for different applications.
2. Output Current: The regulator can supply a maximum output current of 1.5A, suitable for medium power applications.
3. Line and Load Regulation: It offers excellent line and load regulation, ensuring stable output under varying input and load conditions.
4. Thermal Overload Protection: The LM317EMP includes built-in thermal overload protection to prevent damage from overheating.
5. Short Circuit Protection: It features internal current limiting and short circuit protection to safeguard against excessive current conditions.
6. Safe Area Protection: The device also incorporates safe area protection to ensure reliable operation.
7. Package Type: The "EMP" suffix indicates that this version comes in a TO-252 surface-mount package, offering efficient thermal performance and space-saving design.
These features make the LM317EMP an ideal choice for applications requiring a reliable and adjustable power supply, including battery chargers, power supplies, and other electronics requiring variable voltage outputs.
Package
Pinout
Pin Count and Functions:
1. Input (IN): This pin receives the unregulated input voltage. It's where you supply the voltage that you want to regulate down to a desired level.
2. Output (OUT): This pin outputs the regulated voltage. The output voltage is adjustable and can be set using a pair of external resistors.
3. Adjust (ADJ): This pin is used to set the output voltage. By connecting this pin to a resistor divider network between the output and ground, you can adjust the output voltage to your specific needs.
The LM317EMP can output a voltage range of 1.25V to 37V, depending on the input voltage and external components used. It is capable of supplying output currents up to 1.5 A when properly heat-sinked.
Manufacturer
Application
Equivalent
1. LM317T
2. LM317L
3. KA317
4. L78S
5. UA7805
6. NTE956
7. ON Semiconductor MC7805
These alternatives function similarly, with some variations in package type and specifications. Always check the datasheet for exact compatibility with your application.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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