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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：15 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 TL432LIBIDBZR is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 2.495 V to 36 V and features an initial accuracy tolerance of ±0.5%. The device supports a maximum cathode current of 100 mA and maintains a low temperature coefficient of 92 PPM/°C. Designed for surface-mount applications, it utilizes the SOT-23-3 package. The component functions reliably across an extended operating temperature range from -40°C to +85°C.
Feature Summary
- Provides adjustable reference voltage output via external resistor divider
- Delivers high initial accuracy with ±0.5% tolerance at 25°C
- Features low output impedance for stable regulation performance
Applications
- Portable equipment power supply references
- Battery-powered system voltage monitoring
- Linear and switching regulator feedback loops
Procurement Notes
Verify the specific suffix IDBZR corresponds to the SOT-23-3 surface-mount package configuration. Confirm that the LI grade designation aligns with the required ±0.5% initial accuracy specification for your design. Ensure the thermal management strategy accommodates the specified operating temperature range of -40°C to +85°C during implementation.
Selection Notes
Select this component when precise voltage referencing is required in space-constrained designs utilizing the SOT-23-3 footprint. The ±0.5% tolerance offers superior stability compared to standard 2% variants. Consider the 100 mA cathode current limit when designing load circuits to ensure adequate headroom for dynamic operation without exceeding device ratings.
Part Context
This part belongs to the TL432 family of three-terminal adjustable shunt regulators. It shares functional similarities with the TL431 but utilizes a distinct pinout arrangement compatible with SOT-23 and similar small-outline packages. The LI variant specifically denotes the tighter accuracy grade within the broader product line.
Replacement Considerations
Direct replacements include TL432AIDBZR or TL432BIDBZR for equivalent functionality with different accuracy grades. Verify pin compatibility when substituting with TL431 series devices due to potential pinout differences.
