Overview
The TL432AIL3T is an adjustable shunt voltage reference produced by STMicroelectronics. It is part of the TL431 and TL432 series, known for their guaranteed temperature stability over the entire operating temperature range. This device is particularly suited for applications requiring precise voltage regulation and high stability across various temperature conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 2.5 to 36 | V |
| Sink Current Capability | 1 to 100 | mA |
| Typical Output Impedance | 0.22 | Ω |
| Voltage Precision | ±1% (A grade) | |
| Operating Temperature Range | -40 to +125 | °C |
| Package | SOT23 | |
| RoHS Compliance Grade | Ecopack3 |
Key Features
- AEC-Q100 qualified for automotive applications
- Adjustable output voltage: 2.5 to 36 V using two external resistors
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- Voltage precision: ±1% (A grade), ±0.5% (B grade), and ±2% (Standard grade)
- Low output noise
- Extended temperature range: -40 °C to +125 °C for automotive versions
Applications
- Rack server power supplies
- Industrial AC/DC power supplies
- AC inverter and variable frequency (VF) drives
- Servo drive control modules
- Notebook PC power adapter designs
- On-board regulation and adjustable power supplies
- Switching power supplies
Q & A
- What is the TL432AIL3T?
The TL432AIL3T is an adjustable shunt voltage reference produced by STMicroelectronics, known for its temperature stability and adjustable output voltage.
- What is the output voltage range of the TL432AIL3T?
The output voltage can be set to any value between 2.5 V and 36 V using two external resistors.
- What is the sink current capability of the TL432AIL3T?
The device can sink current in the range of 1 to 100 mA.
- What is the typical output impedance of the TL432AIL3T?
The typical output impedance is 0.22 Ω.
- What are the voltage precision grades available for the TL432?
The voltage precision grades are ±0.5% (B grade), ±1% (A grade), and ±2% (Standard grade).
- What is the operating temperature range of the TL432AIL3T?
The operating temperature range is -40 °C to +125 °C.
- What package type is the TL432AIL3T available in?
The TL432AIL3T is available in the SOT23 package.
- Is the TL432AIL3T RoHS compliant?
Yes, the TL432AIL3T is RoHS compliant with an Ecopack3 grade.
- What are some common applications of the TL432AIL3T?
Common applications include rack server power supplies, industrial AC/DC power supplies, AC inverter and VF drives, servo drive control modules, and notebook PC power adapter designs.
- Why is the TL432AIL3T preferred over Zener diodes in some applications?
The TL432AIL3T is preferred due to its active output circuitry, which provides a very sharp turn-on characteristic and better stability compared to Zener diodes.
