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LP2951-50QDRQ1 +BOM

Low Dropout Voltage Regulator for Automotive Applications

LP2951-50QDRQ1 Information

Description

The LP2951-50QDRQ1 is a low-dropout voltage regulator from Texas Instruments (TI). It's a compact, high-reliability device that can regulate output voltages of up to 5V. The fixed-output version we're looking at has an output voltage of 5V and is designed for use in space-constrained applications. Its robust features include remote sense input, low noise operation, and pulse-by-pulse current limiting, ensuring improved system performance and safe operation. The LP2951-50QDRQ1 is a versatile regulator suitable for various industries, including automotive, industrial, and consumer electronics. Its application possibilities range from engine control units and airbag systems in the automotive field to sensors, control systems, and instrumentation in industry. It's also used in battery-powered devices, handheld devices, and mobile electronics in the consumer sector, as well as communication equipment such as routers and modems.

Features

The LP2951-50QDRQ1 features include:

  • Compact 8-pin SOIC package
  • Remote sense input for optimal output voltage regulation
  • Low noise operation for improved system performance
  • Fully compliant with AEC-Q100 standards
  • Operates over wide temperature range: -40°C to +150°C
  • Tolerant of input voltage variations up to 15%
  • Wide range of available output voltages: 1.2V to 5V
  • High-reliability construction for long-term durability
  • Simple shutdown capability for power-saving applications
  • Pulse-by-pulse current limiting for safe operation
  • Accurate output regulation with 1% line and load tolerance

Package

The package type of LP2951-50QDRQ1 is SOIC-8 (Small Outline Integrated Circuit - 8 pins).

Manufacturer

The manufacturer of the LP2951-50QDRQ1 is Texas Instruments (TI), a leading American technology company that designs, manufactures, and tests semiconductors and other electronic components. TI is a global semiconductor leader with a broad portfolio of innovative products and solutions. The company was founded in 1930 and is headquartered in Dallas, Texas.

Applications

According to the product information, the application areas of LP2951-50QDRQ1 are:

  • Automotive applications (ECU, airbag systems, power management)
  • Industrial applications (voltage regulation in sensors, control systems, instrumentation)
  • Consumer electronics (battery-powered devices, handheld devices, mobile electronics)
  • Communication equipment (voltage regulation in routers, modems, networking devices)

Equivalent

The equivalent products of LP2951-50QDRQ1 are:

  • LM2941-5.0
  • MIC5205-5.0
  • NCP1406L5T3
  • TPS6107DRCR

These voltage regulators offer similar features and specifications to the LP2951-50QDRQ1, including low dropout voltage, remote sense input, and high accuracy.

LP2951-50QDRQ1

Specifications

Output options Adjustable Output, Fixed Output Iout (max) (A) 0.1
Vin (max) (V) 30 Vin (min) (V) 2
Vout (max) (V) 29 Vout (min) (V) 3.3
Fixed output options (V) 3.3, 5 Noise (µVrms) 430
Iq (typ) (mA) 0.075 Thermal resistance θJA (°C/W) 56, 122
TI functional safety category Functional Safety-Capable Rating Automotive
Load capacitance (min) (µF) 1 Regulated outputs (#) 1
Features Enable, Power good Accuracy (%) 3
PSRR at 100 KHz (dB) 54 Dropout voltage (Vdo) (typ) (mV) 380
Operating temperature range (°C) -40 to 125 Package/Case SOIC-8

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Ratings and Reviews

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B
B**n 11/16/2023

Sooo long before st. petersburg, but still received. For 39 rubles is very good.

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LP2951-50QDRQ1 Datasheet PDF

Preliminary Specification LP2951-50QDRQ1 PDF Download

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