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BUK224-50Y Datasheet(PDF) 5 Page - NXP Semiconductors |
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BUK224-50Y Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 8 page Philips Semiconductors Product specification TOPFET high side switch BUK224-50Y SMD version of BUK223-50Y UNDERVOLTAGE & OVERVOLTAGE CHARACTERISTICS Limits are at -40˚C ≤ T mb ≤ 150˚C and typicals at T mb = 25 ˚C. Refer to TRUTH TABLE. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Undervoltage V BG(UV) Low supply threshold voltage 1 2 4.2 5.5 V ∆V BG(UV) Hysteresis - 0.5 - V Overvoltage V BG(OV) High supply threshold voltage 2 40 45 50 V ∆V BG(OV) Hysteresis - 1 - V TRUTH TABLE ABNORMAL CONDITIONS DETECTED LOAD INPUT SUPPLY LOAD OUTPUT STATUS DESCRIPTION UV OV LC SC OT L X X X X X OFF H off H 0 0 0 0 0 ON H on & normal H 0 0 1 0 0 ON L on & low current detect H 1 0 X X X OFF H supply undervoltage lockout H 0 1 X 0 0 OFF H supply overvoltage shutdown H 0 0 0 1 X OFF L SC tripped H 0 0 0 0 1 OFF L OT shutdown 3 KEY TO ABBREVIATIONS L logic low UV undervoltage H logic high OV overvoltage X don’t care LC low current or open circuit load 0 condition not present SC short circuit 1 condition present OT overtemperature 1 Undervoltage sensor causes the device to switch off and reset. 2 Overvoltage sensor causes the device to switch off to protect its load. 3 The status will continue to indicate OT (even if the input goes low) until the device cools below the reset threshold. Refer to OVERLOAD PROTECTION CHARACTERISTICS . November 2002 5 Rev 2.000 |
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