Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Output Configuration | Positive |
| Output Type | Adjustable (Fixed) |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 1.235V (5V) |
| Voltage - Output (Max) | 29V |
| Voltage Dropout (Max) | 0.6V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 120 µA |
| Current - Supply (Max) | 14 mA |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Overview
Description
The LP2951ACMX is a low-dropout voltage regulator from Texas Instruments. It is designed for applications requiring precise regulation and low power consumption. This regulator can deliver an output current of up to 100 mA, making it suitable for battery-powered devices and systems with tight energy budgets.
Key features include a low dropout voltage of around 60 mV at light loads, which enhances efficiency, and an adjustable output voltage range from 1.235 V to 30 V. It also includes several protection features, such as current limiting, thermal shutdown, and a standby mode to further reduce power use.
The LP2951ACMX is available in a small SOIC-8 package, making it ideal for compact designs. Additionally, it offers excellent line and load regulation characteristics, typically below 0.1%. Its low quiescent current (as low as 75 µA) makes it well-suited for applications that require long battery life.
Overall, the LP2951ACMX is a versatile regulator, ideal for applications needing efficient power management in a small form factor.
Key features include a low dropout voltage of around 60 mV at light loads, which enhances efficiency, and an adjustable output voltage range from 1.235 V to 30 V. It also includes several protection features, such as current limiting, thermal shutdown, and a standby mode to further reduce power use.
The LP2951ACMX is available in a small SOIC-8 package, making it ideal for compact designs. Additionally, it offers excellent line and load regulation characteristics, typically below 0.1%. Its low quiescent current (as low as 75 µA) makes it well-suited for applications that require long battery life.
Overall, the LP2951ACMX is a versatile regulator, ideal for applications needing efficient power management in a small form factor.
Equivalent
The LP2951ACMX is a low-dropout (LDO) voltage regulator. Equivalent products include the LM2951 series from Texas Instruments, MIC2951 from Microchip Technology, and the TLV1117 series for similar voltage levels. These equivalents offer similar features like low dropout voltage, adjustable output, and low quiescent current. However, always check the datasheet for exact specifications to ensure compatibility with your application.
Features
The LP2951ACMX is a micropower voltage regulator with several key features:
1. Low Dropout Voltage: It offers a low dropout voltage, making it efficient for battery-operated devices.
2. Adjustable Output: The output voltage can be adjusted from 1.25V to 29V.
3. Precision: Provides a precise output with high accuracy.
4. Overcurrent Protection: Includes features to prevent damage from overcurrent conditions.
5. Thermal Protection: Safeguards against overheating by disabling the output until normal operating temperatures are restored.
6. Shutdown Capability: Allows the device to be turned off to conserve power.
7. Error Flag: Offers an error flag indicator for fault detection.
8. Low Quiescent Current: Suitable for low-power applications due to its very low quiescent current.
9. Available Packages: Comes in various packages, including SOT-23, for diverse application needs.
10. Temperature Range: Can operate over an extended temperature range, making it versatile for different environments.
These features make the LP2951ACMX ideal for use in portable electronics, precision power supplies, and battery-powered equipment.
1. Low Dropout Voltage: It offers a low dropout voltage, making it efficient for battery-operated devices.
2. Adjustable Output: The output voltage can be adjusted from 1.25V to 29V.
3. Precision: Provides a precise output with high accuracy.
4. Overcurrent Protection: Includes features to prevent damage from overcurrent conditions.
5. Thermal Protection: Safeguards against overheating by disabling the output until normal operating temperatures are restored.
6. Shutdown Capability: Allows the device to be turned off to conserve power.
7. Error Flag: Offers an error flag indicator for fault detection.
8. Low Quiescent Current: Suitable for low-power applications due to its very low quiescent current.
9. Available Packages: Comes in various packages, including SOT-23, for diverse application needs.
10. Temperature Range: Can operate over an extended temperature range, making it versatile for different environments.
These features make the LP2951ACMX ideal for use in portable electronics, precision power supplies, and battery-powered equipment.
Pinout
The LP2951ACMX is a micropower voltage regulator with a low dropout voltage, commonly used for battery-powered devices. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VOUT (Pin 1): Output Voltage. The regulated output voltage is provided at this pin.
2. FEEDBACK (Pin 2): Feedback Input. Used to set the output voltage. Connect to a resistor divider from VOUT.
3. SHUTDOWN (Pin 3): Shutdown Input. A low signal turns off the regulator.
4. GND (Pin 4): Ground. Common ground connection.
5. SENSE (Pin 5): Sense Input. Used for remote sensing to improve load regulation.
6. VREF (Pin 6): Reference Voltage. Provides a reference for setting the output voltage.
7. VCC (Pin 7): Input Voltage. The voltage input to the regulator.
8. NC (Pin 8): No Connection. Typically not connected, but check the datasheet for any specific use.
This arrangement allows the LP2951ACMX to provide precise output voltage regulation with low power consumption, suitable for various applications. Always refer to the manufacturer's datasheet for specific details and variations.
1. VOUT (Pin 1): Output Voltage. The regulated output voltage is provided at this pin.
2. FEEDBACK (Pin 2): Feedback Input. Used to set the output voltage. Connect to a resistor divider from VOUT.
3. SHUTDOWN (Pin 3): Shutdown Input. A low signal turns off the regulator.
4. GND (Pin 4): Ground. Common ground connection.
5. SENSE (Pin 5): Sense Input. Used for remote sensing to improve load regulation.
6. VREF (Pin 6): Reference Voltage. Provides a reference for setting the output voltage.
7. VCC (Pin 7): Input Voltage. The voltage input to the regulator.
8. NC (Pin 8): No Connection. Typically not connected, but check the datasheet for any specific use.
This arrangement allows the LP2951ACMX to provide precise output voltage regulation with low power consumption, suitable for various applications. Always refer to the manufacturer's datasheet for specific details and variations.
Manufacturer
The LP2951ACMX is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments designs and produces a wide range of semiconductor products, including integrated circuits for analog and digital signal processing, which are used in a variety of electronic applications. The company is known for its innovation in electronics and is one of the largest semiconductor manufacturers in the world. Its products are widely used across industries such as automotive, industrial, personal electronics, communications, and enterprise systems.
Application
The LP2951ACMX is a low-dropout voltage regulator primarily used in applications requiring precise voltage regulation. Key application areas include battery-powered devices, portable equipment, and microcontroller power supplies. It is also suitable for use in industrial automation systems and automotive electronics due to its low power consumption and high efficiency. Additionally, the LP2951ACMX can be used in sensor power supply circuits and communication devices. Its ability to operate in a wide temperature range and provide accurate output voltage makes it ideal for precision instrumentation and medical devices.
Package
The LP2951ACMX is a low-dropout voltage regulator available in an SOIC-8 (Small Outline Integrated Circuit) package.
