Ordering number : ENA1929B STK681-352-E Thick-Film Hybrid IC STK681-352-E Allowable Operating Ranges at Ta=25C Parameter Symbol Conditions Ratings unit Operating supply voltage V With signals applied 18 to 29 V CC Input voltage V 0 to 5.5 V IN Output current 1 I 1 DC current, Tc=80 C 4.6A O Output current 2 I 2 DC current, Tc=105C 3.8A O Brake current I B Square wave current, operating time 2ms, O 12 A Low side brake,Tc=105 C Refer to the graph for each conduction-period tolerance range for the output current and brake current. Electrical Characteristics at Tc=25C, V =24V CC Parameter Symbol Conditions min typ max unit V supply current I ENABLE=GND, IN1=IN2=3.3V 9.3 11 mA CC CCO FET diode forward voltage Vdf If=1A (R =23) 0.76 1.4V L Output saturation voltage 1 Vsat1 R =23, F1, F2 140 200 mV L Output saturation voltage 2 Vsat2 R =23, F3, F4 50 85 mV L Output leak current I F1, F2, F3, and F4 OFF operation 50 A OL Input high voltage V IN1, IN2, ENABLE pins 2.5 V IH Input low voltage V IN1, IN2, ENABLE pins 0.8 V IL High-level input current I H IN1, IN2, ENABLE pins, V=3.3V 33 50 A IL IH Low-Level Input current I L IN1, IN2, ENABLE pins, V=GND 10 A IL IL Overcurrent detection voltage VOC Between pins Vref1 and S.P 0.48 V Internal PWM frequency fc 32 46 62 kHz Overheat detection temperature TSD Design guarantee 144 C Note: A fixed-voltage power supply must be used. Package Dimensions unit:mm (typ) 24.2 (18.4) 4.5 (R1.47) 119 1.0 0.5 0.4 2.0 18 1.0=18.0 4.0 4.45 No.A1929-2/14 (11.0) 14.4 (3.5) 11.0 14.4