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MC3423DR2G датащи(PDF) 1 Page - ON Semiconductor |
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MC3423DR2G датащи(HTML) 1 Page - ON Semiconductor |
1 / 10 page © Semiconductor Components Industries, LLC, 2005 March, 2005 − Rev. 5 1 Publication Order Number: MC3423/D MC3423 Overvoltage Crowbar Sensing Circuit This overvoltage protection circuit (OVP) protects sensitive electronic circuitry from overvoltage transients or regulator failures when used in conjunction with an external “crowbar” SCR. The device senses the overvoltage condition and quickly “crowbars” or short circuits the supply, forcing the supply into current limiting or opening the fuse or circuit breaker. The protection voltage threshold is adjustable and the MC3423 can be programmed for minimum duration of overvoltage condition before tripping, thus supplying noise immunity. The MC3423 is essentially a “two terminal” system, therefore it can be used with either positive or negative supplies. Features • Pb−Free Package is Available MAXIMUM RATINGS Rating Symbol Value Unit Differential Power Supply Voltage VCC−VEE 40 Vdc Sense Voltage (1) VSense1 6.5 Vdc Sense Voltage (2) VSense2 6.5 Vdc Remote Activation Input Voltage Vact 7.0 Vdc Output Current IO 300 mA Operating Ambient Temperature Range TA 0 to +70 °C Operating Junction Temperature TJ 125 °C Storage Temperature Range Tstg −65 to +150 °C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. Figure 1. Simplified Application Vout Vin Cout Current Limited DC Power Supply O. V. P. MC3423 + MARKING DIAGRAMS MC3423P1 = Device Code A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week SOIC−8 D SUFFIX PLASTIC PACKAGE CASE 751 PIN CONNECTIONS 1 2 3 45 6 7 8 VCC Sense 1 Sense 2 Current Source Drive Output VEE Indicator Output Remote Activation (Top View) See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ORDERING INFORMATION 3423 ALYW 1 8 1 8 MC3423P1 AWL YYWW 3423 = Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week 1 8 PDIP−8 P1 SUFFIX PLASTIC PACKAGE CASE 626 http://onsemi.com |
Аналогичный номер детали - MC3423DR2G |
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Аналогичное описание - MC3423DR2G |
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