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LM334S8#PBF
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LM334S8#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Current Source

Characteristics: - Adjustable current source - Temperature stable - Low voltage drop - Small package size

Package: S8 (Surface Mount)

Essence: The LM334S8#PBF is an integrated circuit that functions as an adjustable current source. It is commonly used in various electronic applications where a stable and precise current is required.

Packaging/Quantity: The LM334S8#PBF is available in a surface mount package, denoted by the "S8" designation. The quantity may vary depending on the supplier or manufacturer.

Specifications

The LM334S8#PBF has the following specifications:

  • Operating Temperature Range: -40°C to 85°C
  • Supply Voltage Range: 1V to 40V
  • Output Current Range: 1µA to 10mA
  • Temperature Coefficient: 0.33%/°C typical
  • Package Type: S8 (Surface Mount)
  • Pin Count: 8

Detailed Pin Configuration

The LM334S8#PBF has 8 pins arranged as follows:

  1. Pin 1: Adjust Terminal
  2. Pin 2: Cathode Terminal
  3. Pin 3: Anode Terminal
  4. Pin 4: Not Connected (NC)
  5. Pin 5: Not Connected (NC)
  6. Pin 6: Not Connected (NC)
  7. Pin 7: Not Connected (NC)
  8. Pin 8: Not Connected (NC)

Functional Features

The LM334S8#PBF offers the following functional features:

  • Adjustable output current through the adjust terminal
  • Temperature stability ensures consistent current output over a wide temperature range
  • Low voltage drop minimizes power dissipation
  • Small package size allows for space-efficient integration into electronic circuits

Advantages and Disadvantages

Advantages: - Precise and adjustable current source - Temperature stability ensures reliable performance in various environments - Low voltage drop minimizes power loss - Small package size enables compact circuit design

Disadvantages: - Limited output current range (1µA to 10mA) - Not suitable for high-power applications

Working Principles

The LM334S8#PBF operates based on the principle of a two-terminal current source. It utilizes an internal bandgap reference voltage and a temperature-compensated biasing circuit to generate a precise and stable current output. The adjust terminal allows users to set the desired output current within the specified range.

Detailed Application Field Plans

The LM334S8#PBF finds applications in various fields, including:

  1. Battery charging circuits
  2. LED driver circuits
  3. Precision current sources
  4. Sensor biasing circuits
  5. Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM334S8#PBF are:

  1. LM134/LM234/LM334 from Texas Instruments
  2. LT3092 from Linear Technology
  3. AD8276 from Analog Devices
  4. MAX4372 from Maxim Integrated

These alternative models provide adjustable current sources with different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LM334S8#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LM334S8#PBF in technical solutions:

  1. Question: What is LM334S8#PBF?
    Answer: LM334S8#PBF is a precision current source integrated circuit that can be used in various technical applications.

  2. Question: What is the maximum current output of LM334S8#PBF?
    Answer: The maximum current output of LM334S8#PBF is 10mA.

  3. Question: How does LM334S8#PBF regulate current?
    Answer: LM334S8#PBF regulates current by maintaining a constant voltage drop across its terminals, resulting in a stable current output.

  4. Question: Can LM334S8#PBF be used as a current limiter?
    Answer: Yes, LM334S8#PBF can be used as a current limiter by setting the desired current limit using external resistors.

  5. Question: What is the operating voltage range of LM334S8#PBF?
    Answer: The operating voltage range of LM334S8#PBF is typically between 1V and 40V.

  6. Question: Is LM334S8#PBF temperature compensated?
    Answer: Yes, LM334S8#PBF is temperature compensated, which ensures stable current output over a wide temperature range.

  7. Question: Can LM334S8#PBF be used in battery charging applications?
    Answer: Yes, LM334S8#PBF can be used in battery charging applications to provide a constant current for charging.

  8. Question: What is the typical accuracy of LM334S8#PBF?
    Answer: The typical accuracy of LM334S8#PBF is ±1% of the programmed current.

  9. Question: Can LM334S8#PBF be used in LED driver circuits?
    Answer: Yes, LM334S8#PBF can be used in LED driver circuits to provide a constant current for driving LEDs.

  10. Question: Is LM334S8#PBF available in a surface mount package?
    Answer: Yes, LM334S8#PBF is available in an 8-pin surface mount package (S8).