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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.21% SOT23-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The TL432IL3T is an adjustable shunt voltage reference manufactured by STMicroelectronics, housed in a SOT-23-3 surface-mount package. It provides an output voltage range from 2.495 V to 36 V, set via two external resistors. The device supports a cathode current range of 1 µA to 100 mA with a typical dynamic impedance of 0.22 Ω. It operates within a temperature range of -40°C to +105°C and features a tolerance of ±2.21%.
Feature Summary
- Adjustable output voltage capability spanning from 2.495 V up to 36 V using external resistor networks
- Wide operating current range supporting sink currents from 1 µA to 100 mA
- Low typical dynamic output impedance ensuring stable regulation under varying load conditions
Applications
- Precision voltage references in portable electronic devices
- Power supply feedback loops for linear and switching regulators
- Temperature compensation circuits requiring stable reference potentials
Procurement Notes
Verify the specific suffix IL3T corresponds to the required tolerance and packaging configuration. Confirm the component meets RoHS3 compliance and MSL level 1 requirements for your assembly process. Ensure the ordering quantity aligns with standard reel sizes if tape-and-reel delivery is specified.
Selection Notes
Select this component when a wide adjustable voltage range up to 36 V is required in a compact SOT-23-3 footprint. It is suitable for applications needing low dynamic impedance and operation across an extended industrial temperature range. Consider the ±2.21% tolerance for precision requirements.
Part Context
The TL432 series belongs to STMicroelectronics' family of programmable shunt voltage references, offering an alternative to fixed-reference diodes. It shares functional similarities with the TL431 but provides broader adjustability. The IL3T variant specifically denotes the automotive-grade or extended temperature performance within the SOT-23-3 package line.
Replacement Considerations
Direct pin-compatible substitutes include the TL431BIL3T for fixed 2.5V applications or other TL432 variants with different tolerance grades such as the TL432AI. Verify that any replacement maintains the same SOT-23-3 package and thermal characteristics.
