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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)：2.5V
- 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 ATL432BIDBZR is a three-terminal adjustable precision shunt regulator from Texas Instruments, functioning as a voltage reference in a SOT-23 surface-mount package. It operates with an input voltage range up to 36 V and provides an adjustable output voltage between approximately 2.5 V and the maximum input limit. The device features an initial accuracy of ±1% at 25°C and a temperature coefficient of 92 ppm/°C. It supports a cathode current of up to 100 mA and functions within a temperature range of -40°C to 125°C.
Feature Summary
- Adjustable output voltage capability via external resistors
- High initial accuracy with low temperature drift
- Compact SOT-23 surface-mount packaging
Applications
- Board-level regulators
- Adjustable power supplies
- Switching power supply feedback loops
Procurement Notes
Verify the specific suffix 'B' indicates the required accuracy grade and thermal performance for your application. Confirm that the SOT-23-3 pinout matches your PCB footprint design. Ensure the operating temperature range meets your environmental requirements. Cross-reference datasheet electrical characteristics against system specifications before finalizing procurement.
Selection Notes
Select this component when a compact, high-accuracy voltage reference is needed for shunt regulation applications. The ±1% tolerance suits precision circuits requiring stable reference voltages. Consider the 100 mA current drive capability for load requirements. Evaluate the thermal stability needs against the specified temperature coefficient for long-term reliability.
Part Context
This part belongs to the TL43x family of programmable shunt regulators. It shares functional similarities with the TL431 series but utilizes different pin arrangements for DBV, DBZ, and PK packages. The ATL prefix typically denotes automotive-grade qualification or specific reliability enhancements compared to standard commercial variants.
Replacement Considerations
The TL432AIDBZR serves as a direct functional substitute within the same family, offering identical electrical characteristics and pin compatibility. Verify that the replacement part meets any specific automotive or reliability standards required by the original design.
