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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% 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：-40°C ~ 85°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 TL432AIDBZR is a three-terminal adjustable shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 2.5 V to 36 V with an initial accuracy of ±1% at 25°C. The device features a typical output impedance of 0.2 Ω and supports a maximum cathode current of 100 mA. It functions as a precise alternative to Zener diodes in power management applications. The component is housed in a SOT-23-3 surface-mount package and is rated for operation between -40°C and +125°C.
Feature Summary
- Provides adjustable reference voltage functionality using external resistors
- Offers high thermal stability across extended temperature ranges
- Features low output impedance for stable regulation performance
Applications
- Board-level voltage regulation circuits
- Adjustable power supply designs
- Switching power supply feedback loops
Procurement Notes
Verify the specific suffix 'DBZR' confirms the SOT-23-3 package and tape-and-reel delivery format. Confirm the 'A' grade designation matches the required ±1% initial accuracy specification. Ensure the operating environment falls within the -40°C to +125°C thermal limits defined in the datasheet. Cross-reference the manufacturer part number against official Texas Instruments documentation to avoid counterfeit components.
Selection Notes
Select this component when a compact, adjustable shunt regulator is needed for space-constrained designs. The SOT-23-3 package offers a small footprint suitable for dense PCB layouts. Choose this variant over standard TL431 devices if the specific pinout configuration of the TL432 family is required for compatibility with existing board designs or footprints.
Part Context
This device belongs to the TL432 family of precision shunt regulators from Texas Instruments. It shares electrical characteristics with the TL431 series but utilizes a distinct pinout arrangement for DBZ and PK packages. This differentiation allows designers to maintain circuit topology while adapting to different physical packaging requirements without redesigning the schematic connections.
Replacement Considerations
The TL432AIDBZRG4 is a lead-free version of this component. Verify pinout compatibility before substituting with TL431 variants due to potential package differences.
