zht431 Zetex Semiconductors plc., zht431 Datasheet
zht431
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... ZHT431 Adjustable precision Zener shunt regulator Description The ZHT431 is a three terminal adjustable shunt regulator offering excellent temperature stability and output current handling capability up to 100mA. The device offers extended operating temperature range working from -55 to +125°C. The output voltage may be set to any chosen voltage between 2 ...
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... Cathode voltage Cathode current Issue 6 - July 2007 © Zetex Semiconductors plc 2007 V Z Gnd 20V Power dissipation (T 150mA (T -55 to 125°C SOT23 -55 to 150°C TO92 SOT223 Min. Max. V 20V REF 50µA 100mA 2 ZHT431 =25°C) amb = 150°C) jmax 330mW 780mW 2W www.zetex.com ...
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... Zetex Semiconductors plc 2007 Value Min. Typ. Max. 2% 2.45 2.50 2.55 1% 2.475 2.50 2.525 10 -1.85 -1.0 0.12 0. defined as the maximum variation of the reference DEV ) , is defined as ZHT431 amb Units Conditions V I =10mA (Fig.1 REF =10mA =full range (Fig1) amb -2.7 mV/V V from V ...
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... Typical characteristics Issue 6 - July 2007 © Zetex Semiconductors plc 2007 4 ZHT431 www.zetex.com ...
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... Test Circuit for Open Loop Voltage Gain Input Monitor Pulse Generator 1 25°C A Test Circuit for Pulse Response 150 Input µ V < V < 20 10mA, T ref Z Z Test Circuit for Stability Boundary Conditions 4-31 5 ZHT431 230 + - 220 10k = 25°C A www.zetex.com ...
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... Fig 1 - Test circuit for ref Issue 6 - July 2007 © Zetex Semiconductors plc 2007 Input ref V R2 ref Fig 2 - Test circuit for V > ref 6 ZHT431 Input I ZOFF Fig 3 - Test circuit for for Of † state current www.zetex.com ...
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... R2 R1 Vout Vref R2 Higher current shunt regulator V+ 30 0.01µF R1 Vref R2 R1 Vout Vref R2 Series regulator V+ R1B R1A Vref Vref R2A R2B R1B 1 + Vref Low limit = R2B R1A High limit = 1 + Vref R2A Over voltage / under voltage protection circuit 7 ZHT431 Vout Output www.zetex.com ...
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... Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches Issue 6 - July 2007 © Zetex Semiconductors plc 2007 Millimeters Max. 4.95 0.51 3.94 2.67 1.40 15.49 2.41 1.52 0.56 4.95 6° 8 ZHT431 Inches Min. Max. 0.170 0.195 0.014 0.020 0.130 0.155 0.095 0.105 0.045 0.055 0.610 0.500 0.085 0.095 0.045 ...
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... Zetex Semiconductors plc 2007 Inches Dim. Min. Max. - 0.044 e1 0.0004 0.004 E 0.012 0.020 E1 0.003 0.008 L 0.110 0.120 L1 0.037 NOM - 9 ZHT431 Millimeters Inches Min. Max. Min. 1.90 NOM 0.075 NOM 2.10 2.64 0.083 1.20 1.40 0.047 0.25 0.60 0.0098 0.45 0.62 0.018 - - - www.zetex.com Max. 0.104 0.055 0.0236 0.024 ...
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... Issue 6 - July 2007 © Zetex Semiconductors plc 2007 Inches Dim. Min. Max. - 0.071 D 0.0008 0.004 e 0.0610 0.0649 e1 0.026 0.033 E 0.114 0.122 E1 0.009 0.013 L 10 ZHT431 Millimeters Inches Min. Max. Min. 6.30 6.70 0.248 2.30 BSC 0.0905 BSC 4.60 BSC 0.181 BSC 6.70 7.30 0.264 3.30 3.70 0.130 0.90 - 0.355 www.zetex.com Max. 0.264 ...
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... Issue 6 - July 2007 © Zetex Semiconductors plc 2007 Intentionally left blank 11 ZHT431 www.zetex.com ...
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... Zetex Semiconductors plc 3701-04 Metroplaza Tower 1 Zetex Technology Park, Chadderton Hing Fong Road, Kwai Fong Oldham, OL9 9LL Hong Kong United Kingdom Telephone: (852) 26100 611 Telephone: (44) 161 622 4444 Fax: (852) 24250 494 Fax: (44) 161 622 4446 asia.sales@zetex.com hq@zetex.com 12 ZHT431 www.zetex.com ...