Overview
The TL431ACDCKTG4 is a three-terminal adjustable shunt regulator produced by Texas Instruments. It is part of the TL431 family, known for its thermal stability across various temperature ranges, including automotive, commercial, and military applications. This device allows for adjustable output voltage between approximately 2.5V (Vref) and 36V using two external resistors. The TL431ACDCKTG4 features active output circuitry, providing a sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage Tolerance at 25°C | 1% (A grade) | - |
| Adjustable Output Voltage | Vref to 36V | V |
| Operating Temperature Range | −40°C to 125°C | °C |
| Typical Temperature Drift | 6 mV (C temp), 14 mV (I temp, Q temp) | mV |
| Typical Output Impedance | 0.2 Ω | Ω |
| Sink-Current Capability | 1 mA to 100 mA | mA |
| Package Type | SC70-6 | - |
| Pins | 6 | - |
Key Features
- Reference voltage tolerance at 25°C: 0.5% (B grade), 1% (A grade), 2% (Standard grade)
- Adjustable output voltage: Vref to 36V
- Operation from −40°C to 125°C
- Typical temperature drift: 6 mV (C temp), 14 mV (I temp, Q temp)
- Low output noise
- Typical output impedance: 0.2 Ω
- Sink-current capability: 1 mA to 100 mA
- Active output circuitry with sharp turn-on characteristic
Applications
- On-board regulation
- Adjustable power supplies
- Switching power supplies
- Rack server power
- Industrial AC/DC
- AC inverter & VF drives
- Servo drive control module
- Notebook PC power adapter design
Q & A
- What is the TL431ACDCKTG4? The TL431ACDCKTG4 is a three-terminal adjustable shunt regulator produced by Texas Instruments.
- What is the adjustable output voltage range of the TL431ACDCKTG4? The output voltage can be set to any value between approximately 2.5V (Vref) and 36V using two external resistors.
- What are the operating temperature ranges for the TL431ACDCKTG4? The device operates from −40°C to 125°C.
- What is the typical output impedance of the TL431ACDCKTG4? The typical output impedance is 0.2 Ω.
- What is the sink-current capability of the TL431ACDCKTG4? The sink-current capability ranges from 1 mA to 100 mA.
- What are some common applications of the TL431ACDCKTG4? Common applications include on-board regulation, adjustable power supplies, switching power supplies, rack server power, industrial AC/DC, AC inverter & VF drives, servo drive control modules, and notebook PC power adapter designs.
- What is the package type of the TL431ACDCKTG4? The package type is SC70-6.
- How many pins does the TL431ACDCKTG4 have? The device has 6 pins.
- What is the reference voltage tolerance at 25°C for the TL431ACDCKTG4? The reference voltage tolerance at 25°C is 1% for the A grade.
- Does the TL431ACDCKTG4 have low output noise? Yes, the TL431ACDCKTG4 features low output noise.
