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AS431BK-E1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AS431BK-E1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 17 page  ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Data Sheet 1 Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited General Description The AS431 series ICs are three-terminal adjustable shunt regulators with guaranteed thermal stability over a full operation range. These ICs feature sharp turn-on characteristics, low temperature coefficient and low output impedance, which make them ideal substitutes for Zener diodes in applications such as switching power supply, charger and other adjustable regulators. The output voltage of these ICs can be set to any value between VREF (2.5V) and the maximum cathode volt- age (36V). The AS431 precision reference is offered in two band- gap tolerance: 0.4% and 0.8%. These ICs are available in 4 Packages: TO-92, SOT-23- 3, SOT-23-5 and SOT-89 . Features · Programmable Precise Output Voltage from 2.5V to 36V · Very Accurate Reference Voltage: 0.15% Typical · High Stability under Capacitive Load · Low Temperature Deviation: 4.5mV Typical · Low Equivalent Full-range Temperature Coeffi- cient with 20PPM/oC Typical · Low Dynamic Output Resistance: 0.15 Ω Typical · Sink Current Capacity from 1mA to 100 mA · Low Output Noise · Wide Operating Range of -40 to 125oC Applications · Charger · Voltage Adapter · Switching Power Supply · Graphic Card · Precision Voltage Reference SOT-23-3 TO-92 SOT-89 Figure 1. Package Types of AS431 SOT-23-5 |
Similar Part No. - AS431BK-E1 |
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