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LP2951ACN-3.3G

  • LP2951ACN-3.3G

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LP2951ACN-3.3G 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

Related Products

Other distributor's price

Distributor Part # Mfg. Description Price
digikey LP2951ACN-3.3G onsemi IC REG LINEAR 3.3V 100MA 8DIP

1---$0.8600

10---$0.7690

25---$0.7304

100---$0.5998

250---$0.5607
newark LP2951ACN-3.3G onsemi Ldo Voltage Regulator, 3.3V, 0.1A, 8-Dip, Output Type:Fixed, Input Voltage Min:4.3V, Input Voltage Max:30V, Output Voltage Min:-, Output Voltage Max:-, Output Current Max:100Ma, Dropout Voltage Typ @ Current:350Mv, No. Of Pins:8Pins Rohs Compliant: Yes |Onsemi LP2951ACN-3.3G

1---$0.8600

10---$0.7690

100---$0.5990

500---$0.5600
avnet LP2951ACN-3.3G onsemi LDO Regulator Pos 3.3V 0.1A 8-Pin PDIP Rail - Rail/Tube (Alt: LP2951ACN-3.3G)

993---$0.3728

1000---$0.3627

2000---$0.3527

5000---$0.3426

10000---$0.3325

50000---$0.3224

100000---$0.3124

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