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Product Detailed Parameters
- Description：IC VREF SHUNT
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：20 V
- Current - Output：200 mA
- Operating Temperature：-20°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89-3
- Grade：-
- Qualification：-
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Overview
The AP432YG-13R is an adjustable precision shunt voltage reference manufactured by Diodes Incorporated. 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 20 V. The device features an initial accuracy of 1% and a temperature coefficient of 30 PPM/°C. It supports a maximum shunt current of 200 mA and functions reliably across an operating temperature range of -20°C to +85°C. The component is housed in a SOT-89-3 package.
Feature Summary
- Provides stable, adjustable reference voltage via external resistor divider
- High initial accuracy ensures precise voltage regulation
- Low temperature coefficient maintains stability across thermal variations
Applications
- Precision power supply regulation
- Battery-operated equipment monitoring
- Current limiting circuits
- Portable instrumentation references
Procurement Notes
Verify the specific suffix 'R' against the official datasheet to confirm reel packaging specifications. Confirm RoHS compliance status through manufacturer documentation. Ensure the selected variant matches the required SOP or SOT package dimensions for PCB layout compatibility. Cross-reference the part number with the latest Diodes Incorporated product discontinuance notifications.
Selection Notes
Select this component when an adjustable shunt reference is required with high accuracy and low drift. Consider the 200 mA current capability for load requirements. Verify that the SOT-89 package fits the available board space. Compare performance metrics against fixed references if adjustability is not strictly necessary.
Part Context
This part belongs to the AP432 series of three-terminal shunt regulators. It serves as a cost-effective alternative to Zener diodes in applications requiring better voltage stability and lower temperature coefficients. The series is widely used in industrial and consumer electronics for voltage monitoring and control tasks.
Replacement Considerations
The AP432A is a related variant within the same family. Verify pinout and electrical specifications before substitution. Other adjustable shunt references may require circuit redesign due to different current or accuracy characteristics.
