行业组件数据 · 2026

参考电压源

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

技术定义与适配语境
典型 参考电压源 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

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.

组件规格

定义
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.
工作原理
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.
材料
Semiconductor materials (silicon)metal alloys (for leads and packaging)ceramic or plastic encapsulation.
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
标准
ISO 9001IEC 60747JEDEC

行业分类与别名

参考电压源 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Aging or degradation of semiconductor materials->Output voltage drifts beyond specified tolerance->Use high-reliability components with burn-in testing and regular calibration.
Excessive thermal stress->Increased temperature coefficient leading to voltage instability->Implement thermal management (e.g., heat sinks) and select components with wide operating temperature ranges.
Electrical overstress (e.g., voltage spikes)->Component failure or permanent damage->Add protection circuits like voltage clamps and follow proper ESD handling procedures.

工业生态与工程逻辑

0
Voltage drift over time or temperature
1
Noise interference affecting precision
2
Overload or short-circuit damage
3
Incompatibility with regulator circuit design

合规与检测

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.

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

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.

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