zr431 Zetex Semiconductors plc., zr431 Datasheet
zr431
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zr431 Summary of contents
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... ZENER SHUNT REGULATOR ISSUE 5 – DECEMBER 2002 DEVICE DESCRIPTION The ZR431 is a three terminal adjustable temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between 2 ...
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... ZR431 ABSOLUTE MAXIMUM RATING Cathode Voltage (V ) 20V Z Cathode Current 150mA Operating Temperature -40 to 85°C Storage Temperature -55 to 125°C Recommended Operating Conditions Min Cathode Voltage Vref Cathode Current 50 A 100mA ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):T SYMBOL PARAMETER Reference Voltage ...
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... Temperature (°C) Cathode Current v Temperature 2.506 I =10mA Z 2.504 2.502 2.500 2.498 2.496 2.494 2.492 2.490 -40 - Temperature (°C) Reference Voltage v Temperature ZR431 0 -5 -10 -15 -20 - Cathode Voltage (V) Change Cathode Voltage ef 100 V =V ref Z 10 1.0 0.1 100 1k ...
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... ZR431 TYPICAL CHARACTERISTICS 100 1k 10k 100k 1M Frequency (Hz) Gain v Frequency 3.0 Repetitive pulse 2.0 Single pulse V Z 1.0 0 5.0 INPUT 0 0 0.2 0.4 0.6 0.8 1.0 Time ( s) Pulse Response 100 80 STABLE STABLE 10p 100p 1000p 0.01 0.1 1 Load Capacitance (F) Stability Boundary Conditions I Z 15k 9 F 8k25 I = 10mA 25°C ...
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... Vout V+ Vref HIGHER CURRENT SHUNT REGULATOR V+ Vout R1 Vref R2 Vref V+ R1A R1B 2V Vref = V+ R2A R2B 1 + Low limit = High limit = 1 + OVER VOLTAGE / UNDER VOLTAGE 4-193 78 ZR431 Vout Vout = 1 + Vref R2 30 0.01µF R1 Vout R2 R1 Vout = 1 + Vref R2 SERIES REGULATOR Vref OUTPUT R1B Vref R2B ...
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... ZR431 DC TEST CIRCUITS I L Input Fig 1 – Test Circuit for ref NOTES Deviation of reference input voltage, V input voltage over the full temperature range. The average temperature coefficient of the reference input voltage, V Vmax Vmin Vdev = Vmax - Vmin Input Fig 2 – Test Circuit for V > ...
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... ORDERING INFORMATION Part Number Package Tol. % ZR431C01 TO92 1.0 ZR431C TO92 2.0 ZR431G01 SOT223 1.0 ZR431G SOT223 2.0 ZR431F005 SOT23 0.5 ZR431F01 SOT23 1.0 ZR431F SOT23 2.0 SOT223 Package Suffix – G Top View – Pin 4 floating or connected to pin 2 Part Mark ZR43101 ZR431 ZR43101 ZR431 43R 43B 43A 4-195 78 ZR431 ...