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UA78L12ACPK
+Lista de MateriaisIC REG LINEAR 12V 100MA SOT89-3
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FabricanteTexas Instruments
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Peça do Fabricante #UA78L12ACPK
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Base Product Number | UA78L12 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 27V |
| Voltage - Output (Min / Fixed) | 12V |
| Voltage Dropout (Max) | 1.7V @ 40mA |
| Current - Output | 100mA |
| PSRR | 42dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| Packaging | Bulk, Cut Tape (CT), Tape & Reel (TR) |
Visão Geral
Description
Key features of the UA78L12ACPK include thermal shutdown, current limiting, and short-circuit protection, ensuring robust performance under various operating conditions. It operates with an input voltage range typically from 14.6V to 30V, providing flexibility for different power supply designs. The regulator is commonly used in applications such as consumer electronics, communication equipment, and industrial systems where a steady 12V power supply is required. Its ease of use and dependable performance make it a popular choice for designers seeking straightforward voltage regulation solutions.
Equivalent
Features
1. Output Voltage: Fixed 12V.
2. Output Current: Capable of delivering up to 100 mA.
3. Thermal Overload Protection: Protects the device from excessive junction temperatures.
4. Short-Circuit Protection: Limits the output current to prevent damage due to shorts.
5. Low Quiescent Current: Minimizes power consumption when the device is unloaded.
6. Wide Input Voltage Range: Typically operates effectively within a wide input voltage range, making it versatile for various applications.
7. Compact Package: Available in a TO-92 package (PK suffix), facilitating easy integration into designs with constrained space.
8. Stability: Requires minimal external components for stable operation, typically just an output capacitor.
These features make the UA78L12ACPK suitable for use in applications requiring low to moderate current and a stable 12V supply, such as in small power supplies, battery-powered devices, and other electronic circuits.
Pinout
1. Input (Vin): Receives the unregulated input voltage, which should be higher than 12V to function correctly.
2. Ground (GND): The common ground reference for both input and output voltages.
3. Output (Vout): Provides the regulated output voltage of 12V.
The UA78L12ACPK is used in applications requiring a stable voltage supply, like power supplies for electronic circuits and devices. It is equipped with built-in protection features such as current limiting and thermal shutdown to enhance reliability and safeguard against overcurrent and overheating conditions.