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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 V
- Current - Output：70 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 TLVH432IDBZR is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 20 V and provides an adjustable output voltage from 1.24 V to 18 V. The device features an initial accuracy of 0.5% and a temperature coefficient of 138 PPM/°C. It supports a maximum cathode current of 80 mA with a minimum operating current of 80 µA. The component functions across a temperature range of -40°C to +125°C and is housed in a SOT-23-3 surface-mount package.
Feature Summary
- Provides high-precision voltage regulation with 0.5% initial accuracy for stable reference applications.
- Operates efficiently at low voltages, supporting input supplies as low as 2.5 V.
- Designed for wide thermal stability, maintaining performance across industrial temperature ranges.
Applications
- Battery-powered equipment requiring precise voltage references
- Portable devices utilizing low-voltage power supplies
- Industrial control systems needing stable shunt regulation
Procurement Notes
Verify the specific suffix IDBZR confirms the SOT-23-3 package and reel/cut-tape availability. Ensure the design accounts for the 80 mA maximum cathode current limit. Confirm RoHS compliance status matches project requirements. Check for automotive qualification if used in vehicle electronics, as standard parts may differ from Q1 variants.
Selection Notes
Select this component when a low-voltage, high-accuracy shunt regulator is required in a compact SOT-23-3 footprint. It is suitable for designs where space is limited but precision is critical. Compare against TLVH431 series if lower current or different pinout is acceptable. Ensure the application voltage does not exceed the 20 V maximum rating.
Part Context
This part belongs to the TLVH43x family of low-voltage adjustable precision shunt regulators. It serves as a cost-effective alternative to traditional Zener diodes, offering superior temperature stability and accuracy. The family includes variants like TLVH431 and TLVH432, differentiated primarily by package options and specific electrical characteristics tailored for portable and industrial electronics.
Replacement Considerations
TLVH432IDBZRG4 is the lead-free version of this component. TLVH431BIDBZR offers similar functionality but may have different current specifications. Verify pin compatibility and electrical limits before substituting with other manufacturers' equivalents.
