Overview
The TL431ACLPR5, produced by Texas Instruments, is a 3-terminal adjustable precision shunt regulator. This device is part of the TL431 series, known for its thermal stability over a wide range of temperatures, making it suitable for automotive, commercial, and military applications. The TL431ACLPR5 offers adjustable output voltage, low output noise, and high sink-current capability, making it an excellent choice for various power supply and voltage regulation needs.
Key Specifications
| Parameter | Unit | Min. | Typ. | Max. |
|---|---|---|---|---|
| Reference Input Voltage (Vref) | V | 2.44 | 2.495 | 2.55 |
| Output Voltage Range | V | 2.5 | - | 36 |
| Sink Current Capability | mA | 1 | - | 100 |
| Typical Output Impedance | Ω | - | 0.2 | - |
| Operating Temperature Range | °C | -40 | - | 125 |
| Voltage Precision (A Grade) | % | - | 1 | - |
| Temperature Coefficient | ppm/°C | - | ±50 | - |
Key Features
- Adjustable Output Voltage: The output voltage can be set to any value between 2.5V and 36V using two external resistors.
- High Sink-Current Capability: The device can sink currents from 1 mA to 100 mA.
- Low Output Impedance: Typical output impedance of 0.2 Ω.
- Low Output Noise: Suitable for applications requiring minimal noise.
- Thermal Stability: Guaranteed temperature stability over the entire operating temperature range.
- Voltage Precision: Available in 0.5%, 1%, and 2% initial tolerances.
- AEC-Q100 Qualified: Suitable for automotive applications.
Applications
- Power Supplies: On-board regulation, adjustable power supplies, and switching power supplies.
- Industrial: Various industrial control and monitoring systems.
- Automotive: Automotive systems requiring high temperature stability and reliability.
- Military: Military applications where strict temperature and performance specifications are required.
Q & A
- What is the TL431ACLPR5?
The TL431ACLPR5 is a 3-terminal adjustable precision shunt regulator produced by Texas Instruments.
- What is the adjustable output voltage range of the TL431ACLPR5?
The output voltage can be set to any value between 2.5V and 36V using two external resistors.
- What is the sink-current capability of the TL431ACLPR5?
The device can sink currents from 1 mA to 100 mA.
- What is the typical output impedance of the TL431ACLPR5?
The typical output impedance is 0.2 Ω.
- What is the operating temperature range of the TL431ACLPR5?
The operating temperature range is from -40°C to +125°C.
- Is the TL431ACLPR5 AEC-Q100 qualified?
- What are the typical applications of the TL431ACLPR5?
Typical applications include power supplies, industrial control systems, automotive systems, and military applications.
- What is the voltage precision of the TL431ACLPR5?
The TL431ACLPR5 is available with 1% initial tolerance (A grade).
- How does the TL431ACLPR5 compare to Zener diodes?
The TL431ACLPR5 has a very sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
- What is the temperature coefficient of the TL431ACLPR5?
The temperature coefficient is ±50 ppm/°C.
