Overview
The TL431AIDBVRG4 is a precision programmable reference voltage regulator produced by Texas Instruments. This three-terminal adjustable shunt regulator is known for its high thermal stability and adjustable output voltage, making it versatile for various applications. The device operates within a wide temperature range from -40°C to 125°C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Reference Voltage (Vref) | 2440 | 2495 | 2550 | mV |
| Deviation of Reference Input Voltage over Full Temperature Range | 4 | - | 25 | mV |
| Ratio of Change in Reference Voltage to Change in Cathode Voltage | -1.4 | - | -2.7 | mV/V |
| Output Impedance | 0.2 | 0.5 | - | Ω |
| Cathode Voltage (VKA) | - | - | 37 | V |
| Continuous Cathode Current Range | -100 | - | 150 | mA |
| Operating Junction Temperature Range | -40 | - | 125 | °C |
Key Features
- Adjustable output voltage from Vref to 36 V
- Reference voltage tolerance: 0.5% (B grade), 1% (A grade), 2% (Standard grade) at 25°C
- Low output noise
- Typical output impedance of 0.2 Ω
- Sink-current capability: 1 mA to 100 mA
- Operation from -40°C to 125°C
- Low temperature drift: 6 mV (C temp), 14 mV (I temp, Q temp)
Applications
- Rack server power
- Industrial AC/DC power supplies
- AC inverter and VF drives
- Servo drive control modules
- Notebook PC power adapter designs
Q & A
- What is the TL431AIDBVRG4?
The TL431AIDBVRG4 is a precision programmable reference voltage regulator produced by Texas Instruments.
- What is the adjustable output voltage range of the TL431AIDBVRG4?
The output voltage can be adjusted from the reference voltage (Vref) to 36 V.
- What are the reference voltage tolerances for the TL431AIDBVRG4?
The reference voltage tolerance is 0.5% (B grade), 1% (A grade), and 2% (Standard grade) at 25°C.
- What is the operating temperature range of the TL431AIDBVRG4?
The device operates from -40°C to 125°C.
- What is the typical output impedance of the TL431AIDBVRG4?
The typical output impedance is 0.2 Ω.
- What are the common applications of the TL431AIDBVRG4?
Common applications include rack server power, industrial AC/DC power supplies, AC inverter and VF drives, servo drive control modules, and notebook PC power adapter designs.
- What is the sink-current capability of the TL431AIDBVRG4?
The device can sink current from 1 mA to 100 mA.
- How does the TL431AIDBVRG4 handle temperature drift?
The device has a low temperature drift of 6 mV (C temp) and 14 mV (I temp, Q temp).
- What is the package type of the TL431AIDBVRG4?
The device is packaged in a 5-pin SOT-23 package.
- Is the TL431AIDBVRG4 suitable for automotive applications?
