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LM7812CT/NOPB
+BOMIC REG LINEAR 12V 1A TO220-3
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #LM7812CT/NOPB
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사양
| 속성 | 가치 |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min / Fixed) | 12V |
| Voltage Dropout (Max) | 2V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 8 mA |
| PSRR | 72dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| Base Product Number | LM7812 |
개요
Description
Equivalent
1. L7812CV by STMicroelectronics
2. KA7812 by ON Semiconductor
3. MC7812 by Texas Instruments
4. NTE960 by NTE Electronics
5. UA7812 by Fairchild Semiconductor
These are all 12V linear voltage regulators with similar ratings and pin configurations, making them suitable substitutes in most applications.
Features
1. Output Voltage: It delivers a stable 12V output.
2. Current Capability: Supports up to 1.5A output current, making it suitable for a variety of applications.
3. Thermal Protection: Includes built-in overheating protection to prevent damage from excessive heat.
4. Short-Circuit Protection: Offers safety against short circuits by limiting the current.
5. Input Range: Operates with an input voltage range typically from 14.5V to 35V.
6. Low Quiescent Current: Consumes minimal current when idle, enhancing efficiency.
7. Ease of Use: Requires minimal external components, simplifying circuit design.
8. Standard Package: Comes in a TO-220 package, which is widely used and easy to handle.
9. Reliability: Ensures stable performance with low output noise and high ripple rejection.
The LM7812CT/NOPB is commonly used in power supplies and electronic devices requiring a consistent 12V DC supply.
Pinout
1. Input (Pin 1): This pin receives the unregulated input voltage. It must be at least a couple of volts higher than the desired output voltage to ensure proper regulation.
2. Ground (Pin 2): This pin is connected to the ground (common) circuit. It serves as the reference point for the output voltage.
3. Output (Pin 3): This pin provides the regulated 12V output. It supplies current to the load while maintaining a stable voltage.
The LM7812CT/NOPB is typically used in various electronic applications where a constant 12V output is needed, such as in power supplies for electronic devices. It features built-in protection against overheating and overcurrent, ensuring reliable operation.