LP2951CM

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LP2951CM

IC REG LIN POS ADJ 100MA 8-SOIC

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Specifications

Part Status Obsolete
Base Product Number LP2951
Output Configuration Positive
Output Type Adjustable (Fixed)
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min/Fixed) 1.26V (5V)
Voltage - Output (Max) 29.4V
Voltage Dropout (Max) 0.6V @ 100mA
Current - Output 100mA
Current - Quiescent (Iq) 140 µA
Current - Supply (Max) 7 mA
Control Features Enable
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

Overview

Description

The LP2951CM is a low-dropout voltage regulator, commonly used in electronic circuits for providing a stable output voltage from a higher input voltage. It is part of the LP2951 family, known for its efficiency and reliability in low-power applications. The device features low quiescent current, which makes it ideal for battery-powered devices.
Key features of the LP2951CM include a typical dropout voltage of 0.45V at 100mA load, adjustable output voltage, and a wide input voltage range. It also offers built-in protection features such as current and thermal limiting, making it robust against overcurrent and overheating situations.
The LP2951CM comes in various package options, including the SOIC-8, making it suitable for compact designs. It supports additional functions like error flagging for under-voltage conditions and an external shut-down control for power-saving modes. These features make it a popular choice for applications such as microcontroller power supplies, portable instruments, and automotive electronics.

Features

The LP2951CM is a low-dropout (LDO) voltage regulator often used in battery-powered applications due to its efficient performance. Key features include:
1. Output Voltage Options: It can provide fixed output voltages of 5V, 3.3V, or 3V, or be adjusted to other output levels via external resistors.
2. Low Quiescent Current: This regulator has a low quiescent current, making it suitable for energy-sensitive applications.
3. Wide Input Voltage Range: It supports a wide input voltage range, typically from 2V to 30V, enhancing its versatility.
4. High Accuracy: The LP2951CM maintains high output voltage accuracy, typically within ±0.5%.
5. Low Dropout Voltage: It has a low dropout voltage of approximately 380mV at full load, ensuring efficient operation even with lower input voltages.
6. Current and Thermal Limiting: The device includes current limiting and thermal shutdown features to protect against overload or overheating.
7. Error Flag: An error flag indicates when the output voltage drops significantly due to overload or other issues.
8. Small Package: Available in compact packages, making it suitable for space-constrained designs.
These features make the LP2951CM ideal for various applications, including microcontroller power supplies, battery-powered devices, and consumer electronics.

Package

The LP2951CM is a low-dropout voltage regulator and is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount applications, allowing for compact and efficient designs.

Pinout

The LP2951CM is a low-dropout voltage regulator that typically comes in an 8-pin SOIC package. Its pin functions are as follows:
1. Vin: Input voltage supply.
2. Ground: Ground reference pin.
3. Vout: Regulated output voltage.
4. Feedback (FB): Used for setting the output voltage when using an external resistor divider.
5. Shutdown (SHDN): Allows the regulator to be turned off to save power.
6. Error: Indicates when the output voltage is out of regulation.
7. Bypass/Capacitor (Cap): Used to connect an external capacitor for noise reduction.
8. Sense: Connects close to the load to improve regulation.
These functionalities make the LP2951CM suitable for a variety of applications requiring precise voltage regulation with low dropout characteristics.

Manufacturer

The LP2951CM is manufactured by Texas Instruments, a global semiconductor design and manufacturing company. Texas Instruments is known for developing a wide range of analog and embedded processing products, which are used in various industries, including automotive, industrial, personal electronics, and communications equipment. The LP2951CM itself is a low-dropout voltage regulator, which is one of the many types of components that Texas Instruments produces to support electronic circuit designs.

Application

The LP2951CM is a low-dropout voltage regulator commonly used in battery-powered devices, microcontroller power supply systems, and portable electronics. Its application areas include power management for sensors, low-power RF modules, and other low-current applications where efficiency and space are important. It is also used in automotive electronics, industrial equipment, and consumer electronics that require a stable and precise voltage supply. The LP2951CM is favored for its low quiescent current and adjustable output voltage features.

Equivalent

The LP2951CM is a low dropout voltage regulator. Equivalent products include the LM2951, MCP1824, and MIC5205, which offer similar features such as low quiescent current and adjustable output voltage. Always check the datasheets to ensure compatibility in terms of voltage ratings, current output, and package type.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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