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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- 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：0°C ~ 70°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 TL432BCDBZR is an adjustable precision shunt regulator manufactured by Texas Instruments, housed in a SOT-23-5 surface-mount package. It provides an adjustable output voltage range from 2.495 V to 36 V with an initial accuracy of 0.5%. The device features a maximum shunt current of 100 mA and a typical output impedance of 0.2 Ω. It operates within a temperature range of 0°C to +70°C and supports a maximum series reference input voltage of 37 V.
Feature Summary
- Provides precise adjustable reference voltage functionality suitable for replacing Zener diodes in various circuit applications.
- Features low output impedance to ensure stable regulation performance across the operating range.
- Designed with high thermal stability to maintain specified electrical characteristics within the commercial temperature range.
Applications
- Board-mounted voltage regulators
- Adjustable power supply circuits
- Switching power supply feedback loops
Procurement Notes
Verify the specific suffix 'G4' for lead-free compliance if required by your assembly process, as the base part number may denote standard packaging. Confirm the SOT-23-5 package footprint matches your PCB design constraints. Ensure the commercial temperature range (0°C to +70°C) meets your environmental operating requirements before finalizing procurement.
Selection Notes
Select this component when a compact SOT-23-5 form factor is required for adjustable shunt regulation. Choose this part over the TL431 series if the specific pinout configuration of the TL432 family is necessary for your layout. Consider the 0.5% initial accuracy and 100 mA sink current capability against your load requirements and tolerance specifications.
Part Context
This device belongs to the TL432 family of adjustable precision shunt regulators from Texas Instruments. It shares functional similarities with the TL431 series but utilizes a distinct pin arrangement compatible with DBV, DBZ, and PK packages. The TL432BCDBZR specifically denotes the B-grade accuracy variant in the SOT-23-5 package.
Replacement Considerations
The TL432BCDBZRG4 is a verified lead-free replacement variant within the same product line. Direct substitution requires verifying that the G4 suffix does not alter the electrical parameters or physical dimensions beyond acceptable tolerances for your specific application.
