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L78L12ACUTR
+StücklisteIC REG LINEAR 12V 100MA SOT89-3
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HerstellerSTMikroelektronik
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Herstellerteil #L78L12ACUTR
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Datenblatt L78L12ACUTR DataSheet
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Paket TO-243AA
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Auf Lager6572
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 12V |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 6 mA |
| Current - Supply (Max) | 6.5 mA |
| PSRR | 42dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features of the L78L12ACUTR include internal current limiting, thermal shutdown, and safe area protection, which enhance its reliability and safety in various applications. The device is available in a SOT-89 package, making it suitable for applications where space is a concern.
This voltage regulator is often used in consumer electronics, industrial equipment, and other applications requiring a stable 12V power supply. Its ease of use and robust performance make it a popular choice for designers looking to maintain voltage stability and protect their circuits from power-related issues.
Equivalent
1. LM78L12 by Texas Instruments
2. MC78L12 by ON Semiconductor
3. UA78L12 by Texas Instruments
4. KA78L12 by Fairchild Semiconductor
5. NJM78L12 by New Japan Radio Co., Ltd.
These alternatives provide similar voltage regulation and performance characteristics suitable for various applications. Always check the datasheets for specific requirements and compatibility.
Features
1. Output Voltage: It provides a fixed output voltage of 12V.
2. Output Current: Capable of delivering up to 100mA.
3. Thermal Overload Protection: Safeguards against overheating.
4. Short-Circuit Protection: Protects against output short circuits.
5. Safe Operating Area Protection: Ensures the device operates safely under various conditions.
6. Low Quiescent Current: Offers efficient power usage when idle.
7. Dropout Voltage: Typically around 1.7V, allowing the regulator to maintain output regulation with a minimum voltage difference between input and output.
8. Package: Often available in SOT-89, making it suitable for compact PCB designs.
9. Temperature Range: Operates effectively in industrial temperature ranges, typically from -40°C to +125°C.
The L78L12ACUTR is commonly used in electronic devices for stable voltage regulation in power supply circuits, ensuring consistent performance across various applications.
Pinout
The pin count for the SOT-89 package version is 3 pins:
1. Input (Vin): This is the pin where the unregulated input voltage is applied. It should be higher than the desired output voltage, typically requiring a few volts headroom to function properly.
2. Ground (GND): This is the common ground pin for both the input and output voltages.
3. Output (Vout): This pin provides the regulated output voltage of 12V.
The L78L12ACUTR is widely used in applications requiring a small form factor and low current, such as powering small circuits or as a post-regulator in more complex power supply designs.
Manufacturer
Application
1. Power Supply Circuits: Used to regulate voltage for microcontrollers and other electronic components.
2. Consumer Electronics: Provides stable power for devices like TVs, audio equipment, and gaming consoles.
3. Industrial Automation: Powers sensors and control circuits with precision.
4. Telecommunication Equipment: Ensures reliable power in communication devices.
5. Embedded Systems: Used in embedded applications for consistent voltage levels.
Its compact size and reliable performance make it suitable for a wide range of low-power applications.