LP2951CM/NOPB

Name: LP2951CM/NOPB
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

LDO Voltage Regulators Adj Micropower Vltg Reg

4,674 Effective Inventory

LP2951CM/NOPB

Effective Inventory4,674

LDO Voltage Regulators Adj Micropower Vltg Reg

Manufacturer Part # : LP2951CM/NOPB
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LP2951

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LP2951CM/NOPB DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LP2951CM/NOPB Details

The LP2951CM/NOPB is a low dropout linear voltage regulator from Texas Instruments, designed for reliable power management in various applications. This device features an adjustable output voltage regulator with up to 100 mA output current capability, making it suitable for battery-powered devices and portable electronics.

Pinout

1 (VOUT): Output Voltage
2 (ADJ): Adjustable Input
3 (VIN): Input Voltage
4 (GND): Ground
5 (EN): Enable Pin
6 (VCC): Positive Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Adjustable Output Voltage Regulator: Provides up to 100 mA output current capability for various applications.
Low Dropout Voltage: Offers a low dropout voltage of 380 mV at 100 mA load, ensuring reliable operation in battery-powered devices.
Low Quiescent Current Consumption: Designed for low power consumption with a quiescent current of 75 µA, making it suitable for portable electronics.
Thermal Shutdown and Current Limit Protection: Features thermal shutdown and current limit protection to prevent damage from overheating or overcurrent conditions.
Wide Operating Temperature Range: Operates over a wide temperature range of -40°C to 125°C, ensuring reliable performance in various environments.

Applications

Battery-Powered Devices: Suitable for battery-powered devices that require a stable and regulated output voltage.
Portable Electronics: Designed for portable electronics, such as smartphones, tablets, and laptops, that require low power consumption and reliable operation.

Where to Use

The LP2951CM/NOPB is suitable for use in various applications where a stable and regulated output voltage is required. This includes battery-powered devices, portable electronics, and other systems that require low power consumption and reliable operation.

How to Use

To use the LP2951CM/NOPB, connect the input voltage (VIN) to the adjustable input (ADJ), and set the output voltage (VOUT) using the adjust pin (ADJ). Ensure that the enable pin (EN) is tied to a suitable logic level to enable or disable the regulator. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LP2951CM/NOPB illustrates how to connect the regulator to an input voltage source and set the output voltage using the adjust pin. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LP2950CM/NOPB: A similar low dropout linear voltage regulator from Texas Instruments offering comparable features and performance.

Complementary

The LP2951CM/NOPB can be complemented by other regulators or power management ICs that offer additional features, such as higher output current capability or enhanced ESD protection. When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum output current capability of the LP2951CM/NOPB?

A: The LP2951CM/NOPB has a maximum output current capability of up to 100 mA. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LP2951CM/NOPB be used in automotive applications?

A: Yes, the LP2951CM/NOPB is suitable for use in automotive applications where a stable and regulated output voltage is required. However, ensure that the device meets the specific requirements of your application, such as ESD protection and operating temperature range.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options	Adjustable Output, Fixed Output	Iout (max) (A)	0.1
Vin (max) (V)	30	Vin (min) (V)	2.3
Vout (max) (V)	29	Vout (min) (V)	1.24
Fixed output options (V)	3, 3.3, 5	Noise (µVrms)	160
Iq (typ) (mA)	0.075	Thermal resistance θJA (°C/W)	43, 56, 118, 171
Rating	Catalog	Load capacitance (min) (µF)	1
Regulated outputs (#)	1	Features	Enable, Power good
Accuracy (%)	2.5	PSRR at 100 KHz (dB)	51
Dropout voltage (Vdo) (typ) (mV)	380	Operating temperature range (°C)	-40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LP2951CM/NOPB PDF Download

FAQs

What is LP2951CM/NOPB?

The LP2951CM/NOPB is a low-dropout voltage regulator designed by Texas Instruments. It is ideal for applications requiring stable and regulated power supply voltages, such as battery-powered devices, instrumentation, and industrial control systems.

How Does LP2951CM/NOPB Work?

The LP2951CM/NOPB regulates input voltages to a steady output voltage with minimal dropout voltage, ensuring a stable power supply for connected components. It operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain the desired output voltage level.

How Many Pins does LP2951CM/NOPB have and What are the Functions of the Pinout Configuration?

The LP2951CM/NOPB is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VIN: Input voltage pin.
VOUT: Regulated output voltage pin.
ADJ: Adjustable pin for setting output voltage (optional).
SHUTDOWN: Shutdown control pin.
GND: Ground pin.
SENSE: Current sensing pin (optional).
NC: No connect pin.

What are the Pros and Cons of LP2951CM/NOPB?

Pros:

Low Dropout Voltage: Maintains a stable output voltage even with small input-output differentials.
Low Quiescent Current: Operates with low power consumption, ideal for battery-operated devices.
Overcurrent and Thermal Protection: Includes built-in protection mechanisms for added reliability.
Compact Package: The 8-pin SOIC package is space-efficient for compact designs.

Cons:

Limited Output Current: May have lower maximum output current compared to other regulators.
Heat Dissipation: High dropout voltage scenarios can lead to increased heat dissipation.
External Components: May require additional capacitors or resistors for stability and filtering.

Are There Any Equivalents/Alternatives to LP2951CM/NOPB for Recommendation?

The LM2937 from Texas Instruments is a similar low-dropout voltage regulator with comparable features.
Alternatives to the LP2951CM/NOPB include the LT1761 from Analog Devices and the MIC2940 from Micrel.