INDUSTRY COMPONENT

Reference Voltage Source

A precision voltage reference component that provides a stable, accurate voltage for regulation circuits in voltage regulators.

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Component Specifications

Definition
A reference voltage source is an electronic component that generates a highly stable and precise DC voltage, typically used as a benchmark in voltage regulator circuits to compare against the output voltage and adjust it accordingly. It ensures consistent voltage regulation despite variations in input voltage, load conditions, and temperature.
Working Principle
The reference voltage source operates by utilizing a bandgap reference circuit or Zener diode to produce a fixed voltage. In voltage regulators, this reference voltage is compared to a fraction of the output voltage via an error amplifier. Any difference (error) is amplified and used to control the regulator's pass element, adjusting the output to match the reference, thereby maintaining a stable output voltage.
Materials
Semiconductor materials (silicon), metal alloys (for leads and packaging), ceramic or plastic encapsulation.
Technical Parameters
  • Output Voltage 1.2V to 10V typical
  • Line Regulation 0.05% typical
  • Load Regulation 0.1% typical
  • Voltage Accuracy ±0.1% to ±1%
  • Operating Temperature -40°C to 125°C
  • Temperature Coefficient 10 ppm/°C to 100 ppm/°C
Standards
ISO 9001, IEC 60747, JEDEC

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Reference Voltage Source.

reference voltage source voltage regulator component precision voltage reference stable voltage source electrical engineering Reference Voltage Source in Electrical Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Analog-to-Digital Converter

Electronic circuit that converts continuous analog audio signals into discrete digital values for processing.

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Analog/Digital Converter

Electronic device that converts continuous analog signals into discrete digital values for processing by digital systems.

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Voltage Regulator

An electronic component that maintains a constant output voltage level regardless of changes in input voltage or load conditions.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Voltage drift over time or temperature
  • Noise interference affecting precision
  • Overload or short-circuit damage
  • Incompatibility with regulator circuit design
FMEA Triads
Trigger: Aging or degradation of semiconductor materials
Failure: Output voltage drifts beyond specified tolerance
Mitigation: Use high-reliability components with burn-in testing and regular calibration.
Trigger: Excessive thermal stress
Failure: Increased temperature coefficient leading to voltage instability
Mitigation: Implement thermal management (e.g., heat sinks) and select components with wide operating temperature ranges.
Trigger: Electrical overstress (e.g., voltage spikes)
Failure: Component failure or permanent damage
Mitigation: Add protection circuits like voltage clamps and follow proper ESD handling procedures.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Voltage tolerance typically within ±0.1% to ±1% of nominal value
Test Method
Testing per IEC 60747 for electrical characteristics, including voltage accuracy, temperature coefficient, and long-term stability under load.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a reference voltage source in a voltage regulator?

It provides a stable and accurate voltage benchmark that the regulator uses to compare and adjust the output voltage, ensuring consistency.

How does temperature affect a reference voltage source?

Temperature changes can cause voltage drift; high-quality references have low temperature coefficients (e.g., <10 ppm/°C) to minimize this effect.

Can reference voltage sources be used in other applications besides voltage regulators?

Yes, they are also used in analog-to-digital converters, data acquisition systems, and precision measurement equipment where stable voltage references are critical.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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Reference Voltage Circuit Regulation/Control Circuit