Description:

The TL432ATA is a three-terminal shunt voltage reference designed for use in various electronic devices. This IC chip provides a highly accurate 1.24V band-gap reference with 0.5% and 1.0% tolerance. Its thermal stability and wide operating current (100mA) make it suitable for use in a wide variety of applications that require low cost solutions with high performance. The TL432ATA is ideal as a voltage reference in isolated feed circuits for 3.0V to 3.3V switching mode power supplies.

Specifications and Features:

• Low Voltage Operation: 1.24V
• Programmable Output Voltage to 18V
• Sink Current Capability of 1mA to 100mA
• Equivalent full range Temperature Coefficient of 50ppm/℃
• Temperature Compensated for operation over full rated operating Temperature Range
• Low Output Noise Voltage
• Moisture Sensitivity Level 3

Application Scenarios:

• Shunt Regulator
• Voltage Monitoring
• Current Source and Sink Circuits
• Analog & Digital Circuits Requiring Precision References
• Low Out Voltage (3.0V to 3.3V) Switching Power Supply Error Amplifier

Comparison:

• Highly accurate 1.24V band-gap reference
• Wide operating current (100mA)
• Low output noise voltage
• Temperature compensated for operation over full rated operating temperature range
• Low cost solution

• May not be suitable for higher voltage applications
• May not be suitable for applications requiring sink current higher than 100mA