TL431IPK Model Information

Model Overview

• Model Number: TL431IPK
• Package Type: SOT-89 (PK)
• Operating Temperature Range: -40°C to 85°C (I Grade)
• Features
• Reference Voltage Tolerance: ±1% at 25°C
• Adjustable Output Voltage: From Vref (approximately 2.5V) to 36V
• Low Output Noise: Ensures stable performance
• Low Output Impedance: 0.2Ω typical
• Sink Current Capability: 1mA to 100mA
• Wide Operating Temperature Range: Suitable for industrial applications
• Thermally Stable: Ensures consistent performance across the operating temperature range
• Applications
• Power Supplies: Precision voltage regulation in power supplies
• Battery Chargers: Voltage regulation for battery charging circuits
• Overvoltage Protection: Protecting sensitive circuits from overvoltage conditions
• Analog Circuits: Precision reference voltage for analog circuits
• Pin Configuration
• Pin 1: CATHODE (Output)
• Pin 2: REF (Reference Input)
• Pin 3: ANODE (Common)
• Specifications
• Absolute Maximum Ratings:Cathode Voltage (VKA): 37VContinuous Cathode Current (IKA): -100mA to 150mAReference Input Current (II(ref)): -0.05mA to 10mAOperating Junction Temperature (TJ): 150°CStorage Temperature Range (Tstg): -65°C to 150°C
• Electrical Characteristics (at 25°C, unless otherwise noted):Reference Voltage (Vref): 2.44V to 2.55VDeviation of Reference Input Voltage (VI(dev)): ±14mVRatio of Change in Reference Voltage to Change in Cathode Voltage (ΔVref/ΔVKA): -1.4mV/V to -2.7mV/VReference Input Current (Iref): 2µA to 4µADeviation of Reference Input Current (II(dev)): 0.8µA to 2.5µAMinimum Cathode Current for Regulation (Imin): 0.4mA to 1mAOff-State Cathode Current (Ioff): 0.1µA to 1µADynamic Impedance (|ZKA|): 0.2Ω to 0.5Ω
• Ordering Information
• Part Number: TL431IPK
• Package: SOT-89 (PK)
• Temperature Range: -40°C to 85°C (I Grade)
• Notes
• The TL431IPK is a precision programmable reference voltage regulator, suitable for a wide range of applications requiring stable and accurate voltage regulation.
• The device is thermally stable and can operate across a wide temperature range, making it ideal for industrial and automotive applications.
• Proper handling and installation procedures should be followed to avoid damage from electrostatic discharge (ESD).