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Product Detailed Parameters
- Description：IC VREF SHUNT 2.5V SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：20 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ZTL432BQFTA is an automotive-compliant adjustable precision shunt regulator from Diodes Incorporated. It features a reference voltage tolerance of 0.5% (Grade B) and operates within an ambient temperature range of -40°C to +125°C. The device supports an output current capability from 1mA to 100mA, with a maximum cathode voltage of 20V. Output voltage is programmable between VREF and 20V using external resistors. It utilizes a SOT23 package with a specific pinout distinct from the ZTL431 series.
Feature Summary
- AEC-Q100 qualified for automotive applications with PPAP capability
- Adjustable output voltage set by two external divider resistors
- Excellent temperature stability across extended industrial ranges
- Totally lead-free and fully RoHS compliant green device
Applications
- Optocoupler linearization
- Linear regulators
- Improved zener replacement
- Variable references
Procurement Notes
Verify that the component matches the Grade B specification requiring 0.5% initial tolerance. Confirm the SOT23 package type aligns with the required footprint, noting the unique pin assignment compared to standard TL431 variants. Ensure the ordering suffix corresponds to the tape and reel packaging format specified in the manufacturer documentation.
Selection Notes
Select this part when high-precision voltage referencing is required in automotive environments. The 0.5% tolerance grade offers tighter accuracy than standard 1% options. Consider the specific SOT23 pinout configuration during schematic design to ensure compatibility with existing board layouts intended for similar shunt regulators.
Part Context
This component belongs to the ZTL43xAQ/BQ family designed for automotive use. It shares electrical specifications with the ZTL431 series but differs in physical pinout within the SOT23 package. It serves as a functional equivalent to the TL431/TL432, offering enhanced reliability standards suitable for IATF 16949 certified manufacturing facilities.
Replacement Considerations
ZTL432AQFTA
FAQ
How does the pinout of the ZTL432BQ differ from the ZTL431BQ?
The ZTL432BQ and ZTL431BQ have different pin assignments in the SOT23 package, although they share identical electrical specifications.
What is the minimum cathode current required for regulation?
The device requires a minimum cathode current of 1mA to maintain proper regulation operation.
