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LP2950-50LPRE3
+Lista de MateriaisLP2950 -FIXED MICROPOWER VOLTAGE
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FabricanteNational Semiconductor
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Peça do Fabricante #LP2950-50LPRE3
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Ficha Técnica LP2950-50LPRE3 DataSheet
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Pacote TO-92 (LP)-3
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Especificações
| Atributo | Valor |
| Package | Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 30V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 0.6V @ 100mA |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 120 µA |
| Current-Supply(Max) | 14 mA |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
Visão Geral
Description
Key features of the LP2950-50LPRE3 include a typical dropout voltage of 0.1V at light loads and 0.4V at 100mA, low quiescent current of approximately 75µA, and an output current capability of up to 100mA. The regulator also offers protection features such as current and thermal limiting. It is often used in applications requiring efficient power management, such as in portable devices, microcontrollers, and other sensitive electronics. Its TO-92 package allows for easy integration into various circuit designs.
Equivalent
1. MIC5205-5.0 from Microchip Technology
2. LM2937ET-5.0 from Texas Instruments
3. MC7805CTG from ON Semiconductor
4. NCP1117ST50T3G from ON Semiconductor
These regulators have similar output voltage and characteristics, but ensure to verify compatibility with your specific requirements.
Features
1. Low Dropout Voltage: It offers a low dropout voltage of approximately 50 mV at light loads and 380 mV at the full 100 mA load, enhancing efficiency in battery-powered devices.
2. Output Voltage Accuracy: The device ensures tight output voltage regulation with a typical output voltage accuracy of ±0.5%.
3. Thermal and Short-Circuit Protection: Built-in protection features safeguard against over-temperature conditions and output short circuits, enhancing reliability.
4. Low Quiescent Current: It operates with a low quiescent current, typically around 75 µA, which is essential for power-sensitive applications.
5. Stability with Low-ESR Capacitors: The regulator is stable with low equivalent series resistance (ESR) output capacitors, providing design flexibility.
6. Temperature Range: It operates over a wide temperature range of -40°C to +125°C, making it suitable for various industrial and consumer applications.
These features make the LP2950-50LPRE3 ideal for use in portable and battery-operated devices requiring efficient and reliable voltage regulation.
Pinout
The pin configuration for the TO-92 package is as follows:
1. Pin 1 (Vin): Input voltage pin. Connect the unregulated input voltage here.
2. Pin 2 (GND): Ground pin. Connect to ground.
3. Pin 3 (Vout): Regulated output voltage pin. Provides the stabilized 5.0V output.
The SOT-89 package uses a similar pin assignment, but the layout may vary slightly due to package design. The LP2950-50LPRE3 is commonly used for battery-powered applications due to its low power consumption and efficiency.