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LM385BM-1.2
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LM385BM-1.2

Product Overview

Category

The LM385BM-1.2 belongs to the category of precision voltage references.

Use

It is commonly used as a stable reference voltage source in various electronic circuits and systems.

Characteristics

  • Precision output voltage of 1.2V
  • Low temperature coefficient
  • Low dynamic impedance
  • Wide operating current range
  • Available in SOT-23 package

Package

The LM385BM-1.2 is available in a small outline transistor (SOT-23) package.

Essence

The essence of LM385BM-1.2 lies in its ability to provide a stable and accurate reference voltage for analog and digital circuits.

Packaging/Quantity

It is typically supplied in reels with a quantity of 3000 units per reel.

Specifications

  • Output Voltage: 1.2V ± 0.5%
  • Temperature Coefficient: 50ppm/°C (typical)
  • Operating Current Range: 10µA to 20mA
  • Dynamic Impedance: 0.6Ω (typical)

Detailed Pin Configuration

The LM385BM-1.2 has three pins: 1. VOUT: Output Voltage 2. GND: Ground 3. VIN: Input Voltage

Functional Features

  • Precise output voltage regulation
  • Wide operating current range
  • Low temperature coefficient
  • Small form factor

Advantages

  • High precision and stability
  • Wide operating current range
  • Small package size
  • Low power consumption

Disadvantages

  • Limited output voltage options
  • Sensitive to external noise and interference

Working Principles

The LM385BM-1.2 operates based on the bandgap reference principle, providing a stable output voltage regardless of variations in input voltage and load conditions.

Detailed Application Field Plans

The LM385BM-1.2 finds applications in various fields including: - Battery management systems - Portable electronic devices - Instrumentation and measurement equipment - Voltage regulators and references

Detailed and Complete Alternative Models

Some alternative models to LM385BM-1.2 include: - LM4040AIM3-1.2/NOPB - LT1461ACS8-1.2#PBF - MAX6126AASA25+

In conclusion, the LM385BM-1.2 precision voltage reference offers a reliable and stable voltage source for a wide range of electronic applications, making it an essential component in modern electronic designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM385BM-1.2 v technických řešeních

  1. What is the LM385BM-1.2 used for?

    • The LM385BM-1.2 is a precision voltage reference diode that can be used as a stable 1.2V reference in various electronic circuits.

  2. What are the typical applications of LM385BM-1.2?

    • It is commonly used in power supplies, analog-to-digital converters, digital voltmeters, and other precision measurement equipment.

  3. How accurate is the LM385BM-1.2?

    • The LM385BM-1.2 has a typical initial accuracy of ±0.5%, making it suitable for precision applications.

  4. What is the operating temperature range of LM385BM-1.2?

    • The LM385BM-1.2 can operate within a temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  5. Can the LM385BM-1.2 be used in battery-powered devices?

    • Yes, the LM385BM-1.2 has low power consumption and can be used in battery-powered devices to provide a stable voltage reference.

  6. Is the LM385BM-1.2 suitable for automotive applications?

    • Yes, the LM385BM-1.2 is designed to be stable and reliable, making it suitable for automotive electronics and control systems.

  7. Does the LM385BM-1.2 require external components for operation?

    • The LM385BM-1.2 requires only a small bypass capacitor for stable operation, making it easy to integrate into circuit designs.

  8. Can the LM385BM-1.2 be used in low-power sensor applications?

    • Yes, the LM385BM-1.2's low power consumption makes it suitable for use in low-power sensor applications where a stable voltage reference is required.

  9. What are the key advantages of using the LM385BM-1.2?

    • Some key advantages include its low cost, low power consumption, and high stability over temperature and time.

  10. Are there any specific considerations for PCB layout when using the LM385BM-1.2?

    • It is recommended to keep the LM385BM-1.2 close to the load and use proper grounding techniques to minimize noise and ensure stable performance.