Overview
The TL431CDBVTG4 is a precision programmable reference voltage regulator produced by Texas Instruments. It is part of the TL431 series, which includes three-terminal adjustable shunt regulators known for their thermal stability across various temperature ranges. This device is particularly useful in applications requiring a stable and adjustable voltage reference.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage Tolerance (at 25°C) | 2% | - |
| Adjustable Output Voltage Range | 2.495 V to 36 V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Typical Temperature Drift | 6 mV (C temp), 14 mV (I temp, Q temp) | mV |
| Output Impedance | 0.2 Ω | Ω |
| Sink-Current Capability | 1 mA to 100 mA | mA |
| Package Type | 5-Pin SOT-23 | - |
Key Features
- Adjustable output voltage from 2.495 V to 36 V using two external resistors.
- Low output noise and typical output impedance of 0.2 Ω.
- Sink-current capability ranging from 1 mA to 100 mA.
- Operates over a wide temperature range from -40°C to 125°C.
- Sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
- Available in different grades with initial tolerances of 0.5%, 1%, and 2% at 25°C.
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, adjustable power supplies, and switching power supplies.
Q & A
- What is the TL431CDBVTG4?
The TL431CDBVTG4 is a precision programmable reference voltage regulator produced by Texas Instruments.
- What is the adjustable output voltage range of the TL431CDBVTG4?
The adjustable output voltage range is from 2.495 V to 36 V.
- What is the operating temperature range of the TL431CDBVTG4?
The operating temperature range is from -40°C to 125°C.
- What is the typical output impedance of the TL431CDBVTG4?
The typical output impedance is 0.2 Ω.
- What are the key applications of the TL431CDBVTG4?
Key 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.
- Can the TL431CDBVTG4 replace Zener diodes in some applications?
- What is the package type of the TL431CDBVTG4?
The package type is a 5-Pin SOT-23.
- What are the initial tolerance grades available for the TL431 series?
The TL431 series is available in grades with initial tolerances of 0.5%, 1%, and 2% at 25°C.
- What is the sink-current capability of the TL431CDBVTG4?
The sink-current capability ranges from 1 mA to 100 mA.
- Is the TL431CDBVTG4 suitable for automotive applications?
