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A431AE3RX Datasheet(PDF) 1 Page - AiT Semiconductor Inc. |
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A431AE3RX Datasheet(HTML) 1 Page - AiT Semiconductor Inc. |
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1 / 9 page  AiT Semiconductor Inc. www.ait-ic.com A431A_A432A SHUNT REGULATOR HIGH TEMPERATURE ADJUSTABLE PRECISION REV1.0 - JUL 2019 RELEASED - - 1 - DESCRIPTION FEATURES The A431A and A432A devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5V) and 36V, with two external resistors. These devices have a typical output impedance of 0.15 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The A432A device has exactly the same functionality and electrical specifications as the A431A device, but has different pinouts. Both the A431A and A432A devices are offered in two grades, with initial tolerances (at 25°C) of 0.5% for A, and 1%, for the B. In addition, low output drift versus temperature ensures good stability over the entire temperature range. The A431A and A432A devices are characterized for operation from–40°C to 125°C. The A431A and A432A are available in SOT-23 package. ⚫ Reference Voltage Tolerance at 25°C -0.5% (A Grade) -1% (B Grade) ⚫ Adjustable Output Voltage: Vref to 36V ⚫ Operation From -40°C to 125°C ⚫ Low Output Noise ⚫ 0.15Ω Typical Output Impedance ⚫ Sink current capability of 0.5 to 100mA ⚫ Available in SOT-23 package. APPLICATIONS ⚫ Adjustable Voltage and Current Referencing ⚫ Secondary Side Regulation in Flyback SMPS ⚫ Zener Replacement ⚫ Voltage Monitoring ⚫ Comparator with Integrated Reference TYPICAL APPLICATION ORDERING INFORMATION A431A A432A Package Type Part Number SOT-23 SPQ: 3,000pcs/Reel E3 A431AE3R-X A431AE3VR-X A432AE3R-X A432AE3VR-X Note X: Output Voltage Tolerance: A or B, A=0.5%, B=1% R: Tape & Reel V: Halogen free Package AiT provides all RoHS products |
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