LP2950ACZ-3.3RAG
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onsemi LP2950ACZ-3.3RAG

Manufacturer No:
LP2950ACZ-3.3RAG
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 3.3V 100MA TO92-3
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LP2950ACZ-3.3RAG is a micropower voltage regulator produced by onsemi, designed to maintain proper regulation with an extremely low input-to-output voltage differential. This device is part of the LP2950 and LP2951 series, which are ideal for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is crucial.

Key Specifications

Characteristic Symbol Min Typ Max Unit
Output Voltage (3.3 V Version) VO 3.260 3.300 3.340 V
Dropout Voltage (IO = 100 mA) VI - VO 350 450 mV
Quiescent Bias Current ICC 75 120 μA
Maximum Input Voltage Vin 30 V
Maximum Output Current IO 100 mA
Operating Ambient Temperature Range TA -40 125 °C
Thermal Resistance, Junction-to-Ambient RθJA 105 °C/W

Key Features

  • Low Quiescent Bias Current of 75 μA
  • Low Input-to-Output Voltage Differential of 50 mV at 100 μA and 380 mV at 100 mA
  • Extremely Tight Line and Load Regulation
  • Requires Only a 1.0 μF Output Capacitor for Stability
  • Internal Current and Thermal Limiting Protection
  • Shutdown Input (for LP2951 models) allows a logic level signal to turn-off or turn-on the regulator output
  • Error Output (for LP2951 models) can signal external circuitry of an out-of-regulation condition or serve as a microprocessor power-on reset
  • Output Voltage can be preset to 5.0 V, 3.3 V, or 3.0 V, or programmed from 1.25 V to 29 V

Applications

The LP2950ACZ-3.3RAG is ideally suited for battery-powered devices, including:

  • Computer equipment
  • Consumer electronics
  • Industrial equipment
  • Any application requiring low power consumption and high regulation accuracy

Q & A

  1. What is the maximum output current of the LP2950ACZ-3.3RAG?

    The maximum output current is 100 mA.

  2. What is the typical quiescent bias current of the LP2950ACZ-3.3RAG?

    The typical quiescent bias current is 75 μA.

  3. What is the dropout voltage at 100 mA output current?

    The dropout voltage at 100 mA output current is between 350 mV and 450 mV.

  4. What is the operating ambient temperature range of the LP2950ACZ-3.3RAG?

    The operating ambient temperature range is from -40°C to +125°C.

  5. Does the LP2950ACZ-3.3RAG have internal protection features?

    Yes, it has internal current and thermal limiting protection.

  6. Can the output voltage of the LP2950ACZ-3.3RAG be adjusted?

    No, the LP2950ACZ-3.3RAG has a fixed output voltage of 3.3 V. However, the LP2951 models can be programmed for any output voltage between 1.25 V and 29 V.

  7. What type of packages is the LP2950 available in?

    The LP2950 is available in TO-92 and DPAK packages.

  8. What is the thermal resistance, junction-to-ambient, for the TO-92 package?

    The thermal resistance, junction-to-ambient, is 105 °C/W for the TO-92 package.

  9. Does the LP2950ACZ-3.3RAG require an external capacitor for stability?

    Yes, it requires only a 1.0 μF output capacitor for stability.

  10. What are some typical applications for the LP2950ACZ-3.3RAG?

    Typical applications include battery-powered computer, consumer, and industrial equipment.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):30V
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.45V @ 100mA
Current - Output:100mA
Current - Quiescent (Iq):120 µA
Current - Supply (Max):12 mA
PSRR:- 
Control Features:- 
Protection Features:Over Current, Over Temperature
Operating Temperature:-40°C ~ 125°C
Mounting Type:Through Hole
Package / Case:TO-226-3, TO-92-3 Long Body (Formed Leads)
Supplier Device Package:TO-92 (TO-226)
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Similar Products

Part Number LP2950ACZ-3.3RAG LP2950CZ-3.3RAG LP2950ACZ-3.0RAG LP2950ACZ-3.3RA
Manufacturer onsemi onsemi onsemi onsemi
Product Status Active Active Active Obsolete
Output Configuration Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1
Voltage - Input (Max) 30V 30V 30V 30V
Voltage - Output (Min/Fixed) 3.3V 3.3V 3V 3.3V
Voltage - Output (Max) - - - -
Voltage Dropout (Max) 0.45V @ 100mA 0.45V @ 100mA 0.45V @ 100mA 0.45V @ 100mA
Current - Output 100mA 100mA 100mA 100mA
Current - Quiescent (Iq) 120 µA 120 µA 120 µA 120 µA
Current - Supply (Max) 12 mA 12 mA 12 mA 12 mA
PSRR - - - -
Control Features - - - -
Protection Features Over Current, Over Temperature Over Current, Over Temperature Over Current, Over Temperature Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Through Hole Through Hole Through Hole Through Hole
Package / Case TO-226-3, TO-92-3 Long Body (Formed Leads) TO-226-3, TO-92-3 Long Body (Formed Leads) TO-226-3, TO-92-3 Long Body (Formed Leads) TO-226-3, TO-92-3 Long Body (Formed Leads)
Supplier Device Package TO-92 (TO-226) TO-92 (TO-226) TO-92 (TO-226) TO-92 (TO-226)

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