1/4 STRUCTURE Silicon Monolithic Integrated Circuit PRODUCT NAME Over Voltage Protection Controller with Internal FET MODEL NAME BD6044GUL BLOCK DIAGRAM See Figure 1 PACKAGE DIMENSIONS See Figure 2 FEATURES Overvoltage Protection up to 36V Internal Low Ron (125m ) FET Over voltage Lockout (OVLO) Under voltage Lockout(UVLO) Internal 2msec Startup Delay Over Current Protect Thermal Shut Down Small package: VCSP50L1(1.6mm x 1.6mm, height=0.55mm) This product is not especially designed to be protected from radioactivity. Absolute maximum ratings (Ta=25) Contents Symbol Rating Unit Conditions Input supply voltage 1 Vmax1 -0.336 V IN1, IN2, IN3, IN4 Input supply voltage 2 Vmax2 -0.37 V other Power dissipation Pd 725 mW Operating temperature range Topr -35+85 Storage temperature range Tstr -55+150 1 When using more than at Ta=25, it is reduced 5.8 mW per 1. ROHM specification board 50mm 58mm mounting. Recommended operating range (Ta=-35+85) Parameter Symbol Range Unit Usage Input voltage range V 2.234 V in This product is not especially designed to be protected from radioactivity. REV. A 2/4 Electrical Characteristics (Unless otherwise noted, Ta = 25 C, IN=5V) Rating Parameter Symbol Unit Conditions Min. Typ. Max. ELECTRICAL Input Voltage Range VIN - - 34 V Supply Quiescent Current 1 ICC1 - 45 90 A IN=5V, EN=L Supply Quiescent Current 2 ICC2 - 60 120 A IN=5V, EN=H Under Voltage Lockout UVLO 2.53 2.65 2.77 V IN=decreasing Under Voltage Lockout Hysteresis UVLOh 50 100 150 mV IN=increasing Over Voltage Lockout OVLO 6.2 6.4 6.6 V IN=increasing Over Voltage Lockout Hysteresis OVLOh 50 100 150 mV IN=decreasing Current limit ILM 1.2 2 3 A Vin vs. Vout Res. RON - 125 150 m FLGB Output Low Voltage FLGBVO - - 400 mV SINK=1mA FLGB Leakage Current FLGBleak - - 1 A EN input voltage (H) ENH 1.45 - - V EN input voltage (L) ENL - - 0.5 V EN input current ENC 12 25 50 A EN=1.5V TIMINGS (FLGB pull up resistance 100k) Start Up Delay Ton - 2 4 msec Output Turn Off Time Toff - 2 10 sec Alert Delay Tovp - 1.5 10 sec * This product is not especially designed to be protected from radioactivity. REV. A