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LM317LMX/NOPB
IC REG LIN POS ADJ 100MA 8SOIC
- Fabricante
- Mfr. Parte #LM317LMX/NOPB
- Paquete SOIC (D)-8
- Hoja de datos
- En stock5899
100% original & Nuevo
24 horas listos para el envío
Garantía de 365 días
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 100mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Descripción general
Description
Key features of the LM317LMX/NOPB include its capability to maintain a stable output across varying input voltages and load conditions, as well as its thermal overload and short-circuit protection, which enhance device reliability and safety. The dropout voltage is about 3V, allowing for flexibility in input voltage choices.
The device is commonly used in power supplies, battery chargers, and other electronic circuits requiring adjustable voltage outputs. The LM317LMX/NOPB is packaged in a TO-252 package, which supports surface-mount applications and efficient heat dissipation. Its simplicity, reliability, and ease of use make it a popular choice among engineers and hobbyists for designing power supply circuits.
Features
1. Adjustable Output: The output voltage can be set using two external resistors, making it versatile for various applications.
2. Line Regulation: Offers excellent line regulation, typically 0.01% per volt, ensuring stable performance even with input voltage variations.
3. Load Regulation: Provides good load regulation, typically 0.1%, maintaining a stable output under varying load conditions.
4. Thermal Overload Protection: Built-in thermal protection helps prevent damage from overheating, enhancing reliability.
5. Short-Circuit Protection: Current limiting features protect the device and connected components from overcurrent conditions.
6. Safe Operating Area (SOA) Protection: Ensures the device operates within safe limits under all conditions.
7. Dropout Voltage: Typically around 3V, allowing the device to regulate even when the input voltage is close to the desired output.
These features make the LM317LMX/NOPB a robust choice for applications requiring variable voltage outputs and reliable regulation, such as power supplies, battery chargers, and adjustable power sources.
Package
Pinout
1. Input (Pin 1): This pin receives the unregulated input voltage. It should be connected to a power source that is higher than the desired output voltage.
2. Output (Pin 2): This pin provides the regulated output voltage. The output voltage is adjustable using a resistor pair connected between the output and the adjustment pin.
3. Adjust (Pin 3): This pin is used to adjust the output voltage. By connecting a resistor between the adjust pin and the output pin, and another between the adjust pin and ground, you can set the output voltage according to the formula: \( V_{\text{out}} = V_{\text{ref}} \times \left(1 + \frac{R_2}{R_1}\right) + I_{\text{ADJ}} \times R_2 \), where \( V_{\text{ref}} \) is typically 1.25V.
The LM317 is widely used for its ease of use and minimal external components.
Manufacturer
Application
Equivalent
1. L78M05: Linear regulator with fixed output.
2. LM1117: Offers similar adjustable voltage regulation.
3. NCP1117: Another adjustable voltage regulator.
4. UA78M33: Regulator with fixed 3.3V output.
5. LD1117: Adjustable regulator with similar functionality.
These alternatives provide similar functionality with varying output characteristics. Always verify pin configuration and electrical characteristics in datasheets when substituting.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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