LP2951ACDMR2G

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LP2951ACDMR2G

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IC REG LIN POS ADJ 100MA 8MSOP

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  • Pacote TSSOP-8

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable (Fixed)
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 1.235V (5V)
Voltage-Output(Max) 30V
VoltageDropout(Max) 0.45V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 120 µA
Current-Supply(Max) 12 mA
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Visão Geral

Description

The LP2951ACDMR2G is a low-power voltage regulator commonly used in electronic circuits for efficient power management. Manufactured by ON Semiconductor, this device is part of the LP2951 series, known for its high performance and reliability in regulating output voltage. It can deliver up to 100mA of current, making it suitable for a range of applications, including battery-powered devices and portable electronics.
Key features of the LP2951ACDMR2G include low dropout voltage, which is crucial for maximizing efficiency, especially in low-voltage operations. It also offers precision output voltage, typically with a 1% tolerance, ensuring stable and accurate voltage supply. Additional features include thermal and short-circuit protection, enhancing the safety and longevity of the devices it powers.
The LP2951ACDMR2G is available in a compact surface-mount package, making it ideal for space-constrained designs. Overall, its combination of low power consumption, precision, and protective features makes it a versatile choice for engineers and designers seeking reliable voltage regulation solutions.

Equivalent

The LP2951ACDMR2G is a low-dropout voltage regulator. Equivalent products include:
- MIC2951 series from Microchip Technology
- NCP2951 series from ON Semiconductor
- LM2951 series from Texas Instruments
- UA78 series from Texas Instruments
- LE78 series from STMicroelectronics
These alternatives have similar specifications but may vary slightly in features and packaging. Always verify specifications and compatibility before substituting in your design.

Features

The LP2951ACDMR2G is a low-dropout voltage regulator with several key features:
1. Output Voltage: It offers a fixed output voltage of 5V, with versions available for adjustable outputs.
2. Low Dropout Voltage: It provides a low dropout of approximately 380mV at a 100mA load, making it efficient for battery-operated devices.
3. Temperature Range: This device operates over a temperature range of -40°C to 125°C, suitable for industrial applications.
4. Current Limiting: It includes current-limiting protection to safeguard against overload conditions.
5. Thermal Shutdown: The regulator features thermal shutdown to prevent overheating damage.
6. Low Quiescent Current: It has a low quiescent current, which is beneficial for energy-efficient applications.
7. Precision Output: The device offers a high level of output voltage precision with a typical accuracy of ±0.5%.
8. Package: It is available in a compact SOIC-8 package, suitable for space-constrained designs.
9. Reverse Polarity Protection: Protects against accidental reversed power connections.
These features make it ideal for use in battery-powered devices, portable equipment, and any application requiring efficient voltage regulation.

Pinout

The LP2951ACDMR2G is a low-dropout voltage regulator with a pin count of 8. It is designed for applications requiring a regulated output voltage with low input-output voltage differential. The device typically features the following pin functions:
1. Ground (GND): Common ground for the input and output voltages.
2. Input (VIN): Supply voltage input.
3. Output (VOUT): Regulated output voltage.
4. Feedback (FB): Provides feedback to the internal error amplifier for adjustable output voltage.
5. Shutdown (SHDN): Allows the regulator to be turned off to conserve power.
6. Error (ERROR): An open-drain output that indicates an out-of-regulation condition.
7. Bypass (BYPASS): Optional for noise reduction; a capacitor connected here can reduce the output noise.
8. No Connect (NC): Typically not internally connected.
This regulator is often used in battery-powered applications and offers features such as low quiescent current, low dropout voltage, and the ability to drive capacitive loads, making it suitable for portable and energy-efficient devices.

Manufacturer

The LP2951ACDMR2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a multinational company that designs, manufactures, and sells semiconductor components. It provides a wide range of products, including power and signal management, logic, discrete, and custom devices for automotive, communications, computing, consumer electronics, industrial, medical, and military/aerospace applications. The company is known for its focus on energy-efficient innovations and solutions that enable customers to solve complex problems and create more efficient electronic systems.

Application

The LP2951ACDMR2G is a low-dropout voltage regulator commonly used in various applications. Its primary areas include:
1. Battery-Powered Devices: Ideal for prolonging battery life in portable electronics due to its low quiescent current.
2. Microcontroller Power Supply: Offers stable voltage regulation critical for microcontroller operation.
3. Sensor and Transducer Circuits: Provides precise voltage supply to ensure accurate sensor readings.
4. Consumer Electronics: Used in devices like smartphones, tablets, and wearable technology for efficient power management.
5. Industrial Control Systems: Ensures reliable power supply in harsh environments.
These applications benefit from the device's low dropout voltage, accuracy, and energy efficiency.

Package

The LP2951ACDMR2G is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. This type of package is compact and surface-mountable, making it suitable for space-constrained applications on printed circuit boards.

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