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AN1431M-E1
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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2% 3HSIP
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-25°C ~ 80°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：3-HSIP
- Grade：-
- Qualification：-
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Overview
The AN1431M is a variable output shunt regulator featuring a highly accurate stabilized power supply with an adjustable output voltage range from approximately 2.5 to 36V under operating temperatures using external resistors. It offers a high precision reference voltage of 2.5V (±2% allowance) and exhibits low temperature stability at 17ppm/°C typical. The device provides fast rising output characteristics, low input impedance of 0.2Ω typical, and low output noise voltage.
Feature Summary
- High precision reference voltage
- Low temperature stability
- Fast rising output characteristic
Applications
- Shunt regulator
- Constant current power supply
- Adjustable output regulator combined with 3-pin regulator
Procurement Notes
Verify the specific package type required for your design, as lead-free variants exist. Confirm availability status directly with Panasonic Industry representatives before mass production planning, as specifications or manufacturing locations may change. Ensure compliance with absolute maximum ratings during transient states such as power-on or mode-switching to prevent defects.
Selection Notes
Select the AN1431M when a stable, adjustable reference voltage between 2.5V and 36V is needed with high accuracy. Consider its low dynamic impedance and fast response for applications requiring precise regulation. Evaluate thermal dissipation requirements based on the mounting board conditions, as power dissipation capabilities differ between surface mount and standard board configurations.
Part Context
The AN1431M belongs to the AN1431 series of variable output shunt regulators manufactured by Panasonic Electronic Components. It serves as a replacement or alternative to traditional Zener diodes in circuits requiring higher precision and stability. The component is designed for general electronic equipment and standard applications within specified operating temperature ranges.
Replacement Considerations
Lead-free package versions SSIP003-P-0000S and HSIP003-P-0000Q are available replacements for older packages. Verify pinout compatibility and thermal resistance values when substituting into existing designs.
FAQ
What is the typical temperature coefficient of the reference voltage?
The typical temperature coefficient for the reference voltage is 17ppm/°C.
How is the output voltage adjusted?
The output voltage is externally adjustable from approximately 2.5V to 36V using external resistors connected to the reference pin.
