Overview
The TL431BCLPREG is a programmable precision reference voltage regulator produced by ON Semiconductor. It operates as a shunt regulator and can be used to provide a stable reference voltage in a variety of applications. This device is part of the TL431 series, known for its high precision and versatility in voltage regulation.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Reference Input Voltage | Vref | V | 2.44 | 2.495 | 2.55 |
| Operating Junction Temperature | TJ | °C | - | - | 150 |
| Operating Ambient Temperature Range | TA | °C | -40 | - | 85 |
| Sink Current Capability | IK | mA | 1.0 | - | 100 |
| Reference Input Current Range | Iref | mA | -0.05 | - | 10 |
| Dynamic Output Impedance | ZKA | Ω | 0.22 | - | 0.5 |
| Thermal Resistance, Junction-to-Ambient | RJA | °C/W | 178 | - | - |
Key Features
- Programmable Output Voltage: Up to 36 V, allowing for customization in various applications.
- Precision Voltage Reference: Voltage reference tolerance of ±0.4% at 25°C (TL431B series).
- Low Dynamic Output Impedance: Typical value of 0.22 Ω.
- Temperature Compensation: Operates over a full rated operating temperature range with a temperature coefficient of 50 ppm/°C.
- Low Output Noise Voltage: Suitable for applications requiring minimal noise.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
The TL431BCLPREG is used in a variety of applications, including:
- Reference Voltage in Circuits: Provides a non-standard reference voltage where needed.
- Feedback Control in Power Supplies: Can be used to drive optocouplers in power supply feedback loops.
- Automotive and Industrial Systems: AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding environments.
- General Voltage Regulation: Can be used in any application requiring a stable and programmable voltage reference.
Q & A
- What is the TL431BCLPREG used for? The TL431BCLPREG is a programmable precision reference voltage regulator used in various applications requiring a stable and customizable voltage reference.
- What is the maximum operating junction temperature of the TL431BCLPREG? The maximum operating junction temperature is 150°C.
- What is the typical reference input voltage of the TL431BCLPREG? The typical reference input voltage is 2.495 V.
- What is the sink current capability of the TL431BCLPREG? The sink current capability ranges from 1.0 mA to 100 mA.
- Is the TL431BCLPREG RoHS compliant? Yes, the TL431BCLPREG is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What is the dynamic output impedance of the TL431BCLPREG? The dynamic output impedance is typically 0.22 Ω.
- What are the operating ambient temperature ranges for the TL431BCLPREG? The operating ambient temperature ranges from -40°C to +85°C for the I suffix and 0°C to +70°C for the C suffix.
- Can the TL431BCLPREG be used in automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications.
- What is the thermal resistance, junction-to-ambient, of the TL431BCLPREG? The thermal resistance, junction-to-ambient, is 178 °C/W for the D suffix package.
- How does the TL431BCLPREG handle temperature variations? It has a temperature coefficient of 50 ppm/°C and is temperature compensated for operation over its full rated operating temperature range.
