TL431
Voltage Reference
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Adjustable |
| Output Voltage | 19.25 V |
| Output Current | 0.1 A |
| Tolerance | 1 % |
| Minimum Cathode Current for Regulation | 450uA |
| Reference Type | Parallel |
| Noise - 1/10Hz to 10Hz | - |
| Type | Description |
|---|---|
| Noise - 10Hz to 10kHz | - |
| Iq A | - |
| Working Voltage V | - |
| Operating Temp | -25°C ~ +85°C @(Ta) |
| Features | Temperature compensation control |
| Package / Case | SOT-23 |
Product Introduction
TL431 is a three-terminal adjustable shunt regulator with excellent temperature stability. The device features a typical dynamic output impedance of 0.2Ω. In many applications, it can serve as a drop-in replacement for Zener diodes.
Features
- Output voltage adjustable up to 36V
- Low dynamic output impedance, typical 0.2Ω
- Notch current capability: 1 to 100mA
- Low output noise voltage
- Fast turn-on response
- Effective temperature compensation over full operating temperature range
- Typical equivalent temperature coefficient over full temperature range: 50 ppm/°C
Applications
- - Shunt regulator - High-current shunt regulator - Precision current limiter
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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