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LM317G
IC REG LIN POS ADJ 1.5A SOT-223
- Fabricante
- Mfr. Parte #LM317G
- Paquete
- Hoja de datos LM317G DataSheet
- En stock7933
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Especificaciones
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 12 mA |
| PSRR | 75dB ~ 60dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223 |
Descripción general
Description
Key features of the LM317G include built-in thermal overload protection, short-circuit protection, and a safe operating area for enhanced reliability. It operates with a wide input voltage range, typically between 3V to 40V, allowing it to handle various power sources.
The device is available in multiple package types, including TO-220 and TO-263, making it suitable for both through-hole and surface-mount applications. Its ease of use and robustness make the LM317G a popular choice among hobbyists and professionals alike for designing efficient power management solutions.
Features
1. Adjustable Output Voltage: Provides an output voltage range from 1.25V to 37V, allowing flexibility for various applications.
2. Current Capability: Delivers up to 1.5A of output current, supporting a wide range of devices.
3. Thermal Protection: Features built-in thermal overload protection to prevent damage from overheating.
4. Short-Circuit Protection: Includes current limiting to safeguard against short circuits.
5. Simple Design: Requires only two external resistors to set the output voltage, making implementation straightforward.
6. Wide Input Voltage Range: Accepts input voltages from 3V to 40V, accommodating diverse power supply scenarios.
7. Low Dropout Voltage: Offers a low dropout voltage (typically around 3V), enhancing efficiency in battery-operated devices.
8. TO-220 Package: Available in a durable TO-220 package, facilitating easy heatsinking and mounting.
These features make the LM317G ideal for various applications, including power supplies, battery chargers, and adjustable power sources.
Package
Pinout
1. Adjust (ADJ): This pin is used to adjust the output voltage. By connecting a resistor network to this pin, you can set the desired output voltage between 1.25V and 37V.
2. Output (VOUT): This is the output pin where the regulated voltage is delivered to the load. The output voltage is determined by the resistor values connected to the Adjust pin.
3. Input (VIN): This pin receives the unregulated input voltage, which must be higher than the desired output voltage by a certain margin, typically at least 3V higher for proper regulation.
The LM317G is widely used in power supply applications due to its ease of use and flexibility in providing adjustable output voltages.
Manufacturer
Application
Equivalent
Envío
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UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
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Pagos
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