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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23
- Series：-
- Mfr：Diodes Incorporated
- Package：Strip
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：10 V
- Current - Output：25 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 ZR431LF01-7 is a three-terminal adjustable shunt voltage reference manufactured by Diodes Incorporated. It provides an output voltage range from 1.24 V to 10 V with an initial accuracy of ±1%. The device features a temperature coefficient of 50 ppm/°C and operates within a cathode current range of 100 µA to 25 mA. It supports a maximum input voltage of 10 V and functions across a temperature range of -40°C to +85°C. Packaged in SOT-23-3, it serves as a precision reference for power management applications.
Feature Summary
- Provides adjustable shunt regulation with high initial accuracy
- Offers excellent temperature stability over the operating range
- Integrates output control functionality for fixed regulators
Applications
- Adjustable precision zener shunt regulator circuits
- Output control for three-terminal fixed regulators
- Power supply voltage references
- Battery-operated equipment monitoring
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance status and check for recent Production Change Notices (PCN) regarding die or packaging updates. Ensure the specific suffix matches design requirements for tape and reel specifications.
Selection Notes
Select this part when precise voltage referencing is required in space-constrained designs. The SOT-23-3 package suits surface-mount applications. Consider the ±1% tolerance and 50 ppm/°C drift for circuit accuracy. Verify that the 25 mA cathode current capability meets load requirements.
Part Context
This component belongs to the ZR431 family of programmable shunt regulators. It shares functional similarities with other Diodes Incorporated references but offers specific accuracy and package variations. The LF01 variant denotes the 1% tolerance class in the SOT-23-3 form factor.
Replacement Considerations
ZR431LF01TA is a verified equivalent part number offering identical electrical characteristics and pinout compatibility within the same product family.
