LP2951-50D

Name: LP2951-50D
Rating: 4.5 (10 reviews)

100-mA, 30-V, low-dropout voltage regulator with power good & enable 8-SOIC -40 to 125

5,587 Effective Inventory

LP2951-50D

Effective Inventory5,587

100-mA, 30-V, low-dropout voltage regulator with power good & enable 8-SOIC -40 to 125

Manufacturer Part # : LP2951-50D
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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LP2951-50D 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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Details

The LP2951-50D is a feature-packed voltage regulator that offers both performance and reliability. With built-in thermal shutdown and current limit protection, this regulator ensures safe operation in any conditions. Its compact SOIC-8 package allows for easy integration into existing designs, while its wide input voltage range of 7.5V to 30V makes it versatile and adaptable to various power sources. Additionally, the LP2951-50D provides a stable output voltage with low noise and high PSRR, making it an excellent choice for noise-sensitive applications

Key Features

Accurate Temperature Control
Fine-Grained Resolution
Rapid Data Transfer

Specifications

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

Pbfree Code	Yes	Rohs Code	Yes
Part Life Cycle Code	Active	Part Package Code	SOIC
Pin Count !	8	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code !	8542.39.00.01
Adjustability	FIXED	Dropout Voltage1-Max	0.6 V
Dropout Voltage1-Nom	0.38 V	Input Voltage Absolute-Max	30 V
Input Voltage-Max	30 V	Input Voltage-Min	5.7 V
JESD-30 Code	R-PDSO-G8	JESD-609 Code	e4
Length	4.9 mm	Line Regulation-Max	0.02%
Load Regulation-Max	0.015%	Moisture Sensitivity Level	1
Number of Functions	1	Number of Outputs	1
Number of Terminals	8	Operating Temperature TJ-Max	125 °C
Operating Temperature TJ-Min	-40 °C	Operating Temperature-Max	125 °C
Operating Temperature-Min	-40 °C	Output Current1-Max	0.1 A
Output Voltage1-Max	5.1 V	Output Voltage1-Min	4.9 V
Output Voltage1-Nom	5 V	Package Body Material	PLASTIC/EPOXY
Package Code	SOP	Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR	Package Style	SMALL OUTLINE
Packing Method	TUBE	Peak Reflow Temperature (Cel)	260
Qualification Status !	Not Qualified	Regulator Type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max	1.75 mm	Surface Mount !	YES
Technology	BIPOLAR	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form !	GULL WING	Terminal Pitch !	1.27 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Voltage Tolerance-Max	2%	Width	3.9 mm

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 LP2951-50D PDF Download

FAQs

What is LP2951-50D?

The LP2951-50D is a low-power voltage regulator designed by Texas Instruments. It is a precision, low-dropout regulator capable of delivering an output voltage of 5.0V with a maximum output current of 100mA. The device is ideal for applications requiring stable and regulated power supplies in portable devices, battery-powered systems, and sensor interfaces.

How Does LP2951-50D Work?

The LP2951-50D regulates the input voltage to a stable 5.0V output by utilizing an internal reference voltage and feedback control loop. It ensures that the output voltage remains constant even with variations in input voltage and load current. The low dropout voltage feature allows the regulator to deliver a stable output voltage even when the input voltage is close to the desired output voltage.

How Many Pins does LP2951-50D have and What are the Functions of the Pinout Configuration?

The LP2951-50D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

Input: Vin, the input voltage pin.
Output: Vout, the regulated 5.0V output voltage pin.
Ground: GND, the ground pin.
Adjust: Optional pin for external voltage trimming.
ByPass: Optional pin for noise reduction using an external capacitor.

What are the Pros and Cons of LP2951-50D?

Pros:

Low Dropout Voltage: Maintains a stable output voltage even with low input voltage.
Low Quiescent Current: Operates with low power consumption, ideal for battery-operated devices.
Short Circuit Protection: Protects the regulator and the load from excessive current.
Wide Input Voltage Range: Accommodates a variety of input voltage levels.
Thermal Shutdown: Prevents the regulator from overheating under high load conditions.

Cons:

Output Current Limit: Limited to a maximum output current of 100mA, which may not be sufficient for high-power applications.
External Components: May require additional capacitors for stability and noise reduction.
Fixed Output Voltage: The LP2951-50D provides a fixed 5.0V output, limiting flexibility in output voltage selection.

Are There Any Equivalents/Alternatives to LP2951-50D for Recommendation?

The LM2937 from Texas Instruments is a similar low-dropout regulator with adjustable output voltage.
Alternatives to the LP2951-50D include the MIC5205 from Microchip Technology and the MCP1703 from Microchip Technology.

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LP2951-50D

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