BUK218-50DC

Philips Semiconductors Product specification TOPFET dual high side switch BUK218-50DC QUICK REFERENCE DATA DESCRIPTION Monolithic dual channel high side protected power switch in TOPFET2 technology assembled in a 7 pin plastic surface mount package. SYMBOL IL SYMBOL PARAMETER Nominal load current (ISO) PARAMETER Continuous off-state supply voltage Continuous load current Continuous junction temperature On-state resistance, Tj = 25˚C MIN. 8 MAX. 50 16 150 40 UNIT A UNIT V A ˚C mΩ APPLICATIONS General purpose switch for driving lamps, motors, solenoids, heaters. VBG IL Tj RON FEATURES Vertical power TrenchMOS Low on-state resistance CMOS logic compatible Very low quiescent current Overtemperature protection Load current limiting Overload and short circuit protection Self resetting overcurrent protection Overvoltage and undervoltage shutdown with hysteresis Off-state open circuit load detection Diagnostic status indication Voltage clamping for turn off of inductive loads ESD protection on all pins Reverse battery, overvoltage and transient protection FUNCTIONAL BLOCK DIAGRAM INPUT 1 BATT INPUT 2 STATUS CONTROL & PROTECTION CIRCUITS LOAD 1 GROUND RG LOAD 2 Fig.1. Elements of the TOPFET dual HSS with internal ground resistor. PINNING - SOT427 PIN 1 2 3 4 5 6 7 mb DESCRIPTION load 1 ground input 1 connected to mb status input 2 load 2 battery PIN CONFIGURATION mb SYMBOL B I1 L1 DUAL HSTF I2 S G L2 1234567 Fig. 2. Fig. 3. CONVENTION Positive currents flow into...