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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.2% 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 TL432IDBZR is an adjustable precision shunt regulator manufactured by Texas Instruments, housed in a surface-mount SOT-23-3 package. It provides an adjustable output voltage ranging from 2.495 V to 36 V. The device features an initial accuracy of ±2% at 25°C and a temperature coefficient of 92 PPM/°C. It supports a maximum cathode current of 100 mA with a minimum operating current of 600 µA. The component operates within a temperature range of -40°C to +125°C and has a maximum series VREF input voltage of 36 V.
Feature Summary
- Adjustable output voltage capability via external resistors
- High thermal stability across extended temperature ranges
- Low output impedance for effective regulation
- Surface-mount SOT-23-3 packaging for compact designs
Applications
- Board-level voltage regulation
- Adjustable power supply circuits
- Switching power supply feedback loops
- Zener diode replacement applications
Procurement Notes
Verify the specific suffix IDBZR corresponds to the SOT-23-3 package and tape-and-reel delivery format. Confirm that the ±2% accuracy grade meets system requirements. Ensure compatibility with the intended operating temperature range of -40°C to +125°C. Check for RoHS compliance status if required by assembly standards.
Selection Notes
Select this component when a low-cost, high-precision reference is needed in a small footprint. The SOT-23-3 package offers space efficiency compared to larger alternatives. The adjustable voltage range allows flexibility in circuit design without requiring multiple fixed-reference parts. Consider the 100 mA current drive capability for load requirements.
Part Context
The TL432 series serves as a pin-compatible alternative to the TL431 family, offering identical electrical performance but with a different pinout configuration for DBV, DBZ, and PK packages. This distinction simplifies layout changes while maintaining functional equivalence. The device belongs to Texas Instruments' portfolio of precision voltage references designed for general-purpose power management applications.
Replacement Considerations
Direct substitutes include other TL432 variants with matching package and accuracy grades, such as TL432AIDBZR or TL432LIBIDBZR. Verify pinout compatibility if replacing TL431 devices, as the pin assignments differ between the two families. Ensure thermal and electrical specifications align with the original design constraints.
