LP2951DR

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LP2951DR

IC REG LIN POS ADJ 100MA 8SOIC

  • Manufacturer
  • Mfr. Part #LP2951DR
  • Package SOIC (D)-8
  • Datasheet
  • In Stock4627

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Specifications

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) 0.6V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 120 µA
Current-Supply(Max) 14 mA
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The LP2951DR is a low-power voltage regulator designed for battery-powered applications, offering precise output voltage control. It is a member of the LP2951 series, which is known for its low dropout voltage and efficient performance. The device can provide a fixed or adjustable output voltage with high accuracy, typically within ±0.5%.
Key features include low quiescent current, thermal shutdown, and current limiting, making it suitable for use in portable devices where energy efficiency is crucial. It operates over a wide input voltage range and maintains stability with a range of output capacitors. The LP2951DR is housed in a SOIC-8 package, which is compact, aiding in space-constrained designs.
Applications typically include power management in battery-operated gadgets, microprocessor power supplies, and other precision voltage regulation tasks. Overall, the LP2951DR offers reliability and efficiency for low-current applications.

Features

The LP2951DR is a low-dropout (LDO) voltage regulator designed for efficient power management in various electronic devices. Key features include:
1. Output Voltage: Adjustable or fixed options are available, with a typical fixed output at 5V.
2. Low Dropout Voltage: It offers a low dropout voltage of around 380 mV at 100 mA, enhancing efficiency.
3. Output Accuracy: Ensures high precision with a typical output voltage tolerance of ±1% over load, line, and temperature variations.
4. Current Output: Capable of delivering up to 100 mA of output current.
5. Quiescent Current: It has a low quiescent current, which is typically around 75 µA, making it ideal for battery-powered applications.
6. Shutdown Mode: Includes a shutdown mode to conserve power, reducing current consumption to a few microamperes.
7. Protection Features: Built-in protection mechanisms include current limiting and thermal overload protection.
8. Temperature Range: Operates over a wide temperature range from -40°C to +125°C.
9. Package: The "DR" suffix indicates it is available in an SOIC-8 surface-mount package.
These features make the LP2951DR suitable for use in portable and battery-operated devices, where power efficiency and reliability are critical.

Package

The LP2951DR is a low-dropout voltage regulator housed in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is compact and features gull-wing leads, making it suitable for surface-mount applications.

Pinout

The LP2951DR is a low-dropout voltage regulator with an 8-pin configuration in the SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. VOUT (Pin 1): Output voltage. This is the regulated voltage output of the LDO.
2. FEEDBACK (Pin 2): Used for setting the output voltage when adjustable operation is required.
3. SHUTDOWN (Pin 3): When pulled low, this pin shuts down the regulator, reducing the current consumption.
4. GND (Pin 4): Ground. This is the common ground pin for the device.
5. VIN (Pin 5): Input voltage. The input supply voltage is applied to this pin.
6. SENSE (Pin 6): This pin is used for remote sensing the output voltage for more accurate regulation.
7. ERROR (Pin 7): This is an error output pin that goes low when the output voltage is out of regulation.
8. NC (Pin 8): No connection. It is often left unconnected or used for mechanical stability.
The LP2951DR is designed for precision voltage regulation in low power applications, offering features like shutdown control and error indication.

Manufacturer

The LP2951DR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures analog and embedded processing chips. Headquartered in Dallas, Texas, the company is known for its wide range of products used in various electronics applications, including industrial, automotive, personal electronics, and communications equipment.

Application

The LP2951DR is a low-dropout voltage regulator commonly used in battery-powered devices, portable electronics, and embedded systems. It is ideal for applications requiring a stable voltage supply, such as microcontrollers, sensors, and communication devices. Its features, like low quiescent current and precision output voltage, make it suitable for power-sensitive applications. Additionally, it is often utilized in industrial and automotive systems where reliable voltage regulation is crucial.

Equivalent

The LP2951DR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. LM2951 series (e.g., LM2951CM)
2. TL7702 series
3. MIC5201 series
4. LT1121 series
5. MAX603 series
These alternatives offer similar functionality, but you should verify specific parameters like output voltage, dropout voltage, and package type for compatibility.

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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