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RS431BATG Datasheet(PDF) 1 Page - Orister Corporation |
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RS431BATG Datasheet(HTML) 1 Page - Orister Corporation |
1 / 10 page Page No. : 1/10 DS‐RS431‐09 September, 2009 www.Orister.com RS431 Adjustable Precision Shunt Regulator General Description The RS431 series are three‐terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors. These devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn‐on characteristic, making these devices excellent replacement for zener diodes in many applications. Features ● Programmable Precise Output Voltage from 2.5V to 36V ● High Stability under Capacitive Load ● Low Temperature Deviation: 4.5mV Typical ● Low Dynamic Output Resistance: 0.2Ω Typical ● Sink Current Capacity from 1mA to 100mA ● Low Output Noise ● Wide Operating Range of ‐40 to 125 oC ● Low Equivalent Full‐range Temperature Coefficient with 20PPM/ oC Typical Application Circuits This integrated circuit can be damaged by ESD. Orister Corporation recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. Fig 1. VK=VREF Fig 2. VK>VREF Fig 3. Off‐State Current IN VK II IREF VREF IK R 1 II VK IN IREF IK R2 VREF Note: VK=VREF (1+R1/R2)+IREFxR1 IN VK IOFF |
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