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LP2951CNG

  • LP2951CNG

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LP2951CNG Overview

The LP2950 and LP2951 are micropower low dropout (LDO) linear voltage regulators that are specifically designed to maintain proper regulation with an extremely low input-to-output voltage differential. These devices feature a very low quiescent bias current of 75 μA and are capable of supplying output currents in excess of 100 mA. Internal current and thermal limiting protection is provided.

The LP2951 LDO linear voltage regulator has three additional features. The first is the Errorbar Output that can be used to signal external circuitry of an out of regulation condition, or as a microprocessor power-on reset. The second feature allows the output voltage to be preset to 5.0 V, 3.3 V or 3.0 V output (depending on the version) or programmed from 1.25 V to 29 V. It consists of a pinned out resistor divider along with direct access to the Error Amplifier feedback input. The third feature is a Shutdown input that allows a logic level signal to turn-off or turn-on the regulator output.

Due to the low input-to-output voltage differential and bias current specifications, these devices are ideally suited for battery powered computer, consumer, and industrial equipment where an extension ofuseful battery life is desirable. The LP2950 is available in the three pin case 29 and DPAK packages, and the LP2951 is available in the eight pin dual-in-line, SO-8 and Micro-8 surface mount packages.

The 'A' suffix devices feature an initial output voltage tolerance +/-0.5%.

Features

  • Wide Input Range: Up to 30 V
  • Rated Output Current of 100 mA
  • Low Dropout 50 mV at 100
  • m
  • A and 380 mV at 100 mA
  • Low Quiescent Current: 75 μA (Typ)
  • Requires Only a 1.0
  • m
  • F Output Capacitor for Stability
  • Internal Current and Thermal Limiting
  • LP2951 also has
  • LP2951 also has
  • LP2951 also has
  • Extremely Tight Line and Load Regulation
  • 5.0 V, 3.3 V or 3.0 V +/- 0.5%

Applications

  • Automotive
  • Avionics: RADAR
  • AC Analog Input Module
  • Logistics Robot CPU Board
  • Optical Line Card
LP2951CNG
LP2951CNG

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Other distributor's price

Distributor Part # Mfg. Description Price
digikey LP2951CNG Rochester Electronics LLC IC REG LIN POS ADJ 100MA 8DIP

1---$0.7800
newark LP2951CNG onsemi Programmable Ldo Voltage Regulator, 5V/1.25V To 29V, 8-Dip, Output Type:Adjustable, Input Voltage Min:-, Input Voltage Max:30V, Output Voltage Min:1.25V, Output Voltage Max:5.05V, Output Current Max:100Ma, Ic Case/Package:Dip Rohs Compliant: Yes |Onsemi LP2951CNG

1---$0.7310

10---$0.6430

100---$0.4630

500---$0.3790

1000---$0.2940

2500---$0.2750
avnet LP2951CNG onsemi LDO Regulator Pos 1.25V to 29V5V 0.1A 8-Pin PDIP Rail - Rail/Tube (Alt: LP2951CNG)

1145---$0.3234

1200---$0.3146

2300---$0.3059

5800---$0.2972

12000---$0.2884

58000---$0.2797

120000---$0.2709

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