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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 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：-
- Qualification：-
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Overview
The AS431HMBNTR-G1 is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It operates within a cathode voltage range of 2.495V to 36V and features a 1.0% initial accuracy tolerance. The device utilizes an SOT-23 package with a mirror pin-out configuration and supports sink currents from 0.5mA to 100mA. It maintains thermal stability across an operating temperature range of -40°C to +125°C, offering low temperature deviation and low output impedance.
Feature Summary
- Programmable precise output voltage ranging from the internal reference level up to the maximum cathode voltage limit
- High stability under capacitive load conditions ensuring reliable operation in various circuit configurations
- Low equivalent full-range temperature coefficient providing consistent performance across wide thermal variations
Applications
- Switching power supplies
- Chargers
- Voltage adapters
- Graphic cards
- Precision voltage references
Procurement Notes
Verify that the specific ordering suffix matches the required mirror pin-out configuration for the SOT-23 package. Confirm the 1.0% voltage tolerance aligns with design specifications. Ensure compatibility with RoHS3 and halogen-free requirements if mandated by project standards. Cross-reference datasheet revision DS39284 Rev. 2-2 for accurate electrical characteristics and absolute maximum ratings before finalizing procurement.
Selection Notes
Select this component when a mirror pin-out arrangement is necessary for PCB layout optimization or trace routing constraints. The 1.0% tolerance variant offers a balance between cost and precision suitable for general-purpose regulation tasks. Consider the SOT-23 package size for space-constrained designs requiring surface-mount assembly. Evaluate thermal resistance parameters against expected power dissipation levels in the target application environment.
Part Context
This part belongs to the AS431H series of adjustable precision shunt regulators designed as Zener diode substitutes. The 'M' designation specifically indicates the mirror pin-out orientation for the SOT-23 package, distinguishing it from standard pin-out variants. The 'G1' suffix denotes compliance with green manufacturing standards, including lead-free and halogen-free composition.
Replacement Considerations
AS431HANTR-G1
FAQ
What distinguishes the AS431HMBNTR-G1 from the AS431HBANTR-G1?
The primary distinction is the pin-out configuration; the AS431HMBNTR-G1 features a mirror pin-out for the SOT-23 package, whereas the AS431HBANTR-G1 uses the normal pin-out.
Is the AS431HMBNTR-G1 stable with capacitive loads?
Yes, the device is designed for high stability under capacitive load conditions, making it suitable for applications requiring significant output capacitance.
