Overview
The TL431ACZ-AP is an adjustable shunt voltage reference produced by STMicroelectronics. This component is part of the TL431 and TL432 series, known for their high temperature stability and versatility in various applications. The TL431ACZ-AP is AEC-Q100 qualified, making it suitable for automotive and other demanding environments. It offers adjustable output voltage, high current sink capability, and low dynamic impedance, making it a reliable choice for power supply and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 2.5 to 36 | V |
| Sink Current Capability | 1 to 100 | mA |
| Typical Dynamic Impedance | 0.22 | Ω |
| Voltage Precision | 1% and 2% (depending on version) | |
| Operating Temperature Range | -40 to +125 | °C |
| Cathode to Anode Voltage | 37 | V |
| Reference Input Voltage | 2.44 to 2.495 (typical) | V |
| Minimum Cathode Current for Regulation | 0.5 to 1 | mA |
| Off-State Cathode Current | 2.6 to 1000 | nA |
Key Features
- Adjustable Output Voltage: The output voltage can be set to any value between 2.5 and 36 V using two external resistors.
- High Current Sink Capability: The device can sink currents from 1 to 100 mA.
- Low Dynamic Impedance: Typical dynamic impedance of 0.22 Ω ensures stable voltage regulation.
- High Temperature Stability: Guaranteed temperature stability over the entire operating temperature range of -40 to +125 °C.
- AEC-Q100 Qualified: Suitable for automotive and other demanding applications.
- Voltage Precision: Available in versions with 1% and 2% voltage precision.
Applications
- Power Supply: Used in various power supply designs for voltage regulation.
- Industrial: Suitable for industrial control systems and equipment.
- Automotive: AEC-Q100 qualification makes it ideal for automotive applications.
Q & A
- What is the adjustable output voltage range of the TL431ACZ-AP?
The output voltage can be set to any value between 2.5 and 36 V using two external resistors.
- What is the current sink capability of the TL431ACZ-AP?
The device can sink currents from 1 to 100 mA.
- What is the typical dynamic impedance of the TL431ACZ-AP?
The typical dynamic impedance is 0.22 Ω.
- What is the operating temperature range of the TL431ACZ-AP?
The operating temperature range is -40 to +125 °C.
- Is the TL431ACZ-AP AEC-Q100 qualified?
Yes, the TL431ACZ-AP is AEC-Q100 qualified, making it suitable for automotive applications.
- What are the typical reference input voltage values for the TL431ACZ-AP?
The typical reference input voltage values range from 2.44 to 2.495 V.
- What is the minimum cathode current required for regulation?
The minimum cathode current required for regulation is between 0.5 and 1 mA.
- What is the off-state cathode current of the TL431ACZ-AP?
The off-state cathode current ranges from 2.6 to 1000 nA.
- In what types of applications is the TL431ACZ-AP commonly used?
The TL431ACZ-AP is commonly used in power supply, industrial, and automotive applications).
- What is the maximum cathode to anode voltage for the TL431ACZ-AP?
The maximum cathode to anode voltage is 37 V).
