LV8727-E

Ordering number : ENA1998 LV8727 Bi-CMOS LSI PWM Current Control LV8727 Recommendation Operating Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Supply voltage range V 9 to 45 V M Logic input voltage V 0 to 5 V IN VREF input voltage range VREF 0 to 3 V Electrical Characteristics at Ta = 25C, V = 24V, VREF = 1.5V M Ratings Parameter Symbol Conditions Unit min typ max Standby mode current drain I st ST = L 70 100 A M Current drain IM ST = H, OE = H, no load 3.5 4.9 mA Thermal shutdown temperature TSD Design guarantee 150 180 200 C Thermal hysteresis width TSD Design guarantee 40 C Logic pin input current IL V = 0.8V 3 8 15 A IN IN IH V = 5V 30 50 70 A IN IN Logic high-level input voltage VH 2.0 V IN Logic low-level input voltage VL 0.8 V IN FDT pin high-level voltage Vfdth 3.5 V FDT pin middle-level voltage Vfdtm 1.1 3.1 V FDT pin low-level voltage Vfdtl 0.8 V Chopping frequency Fch Cosc1 = 100pF 70 100 130 kHz OSC1 pin charge/discharge current Iosc1 7 10 13 A Chopping oscillation circuit Vtup1 0.8 1 1.2 V threshold voltage Vtdown1 0.3 0.5 0.7 V VREF pin input voltage Iref VREF = 1.5V -0.5 A DOWN output residual voltagr V 1DOWN Idown = 1mA 50 200 mV O MO pin residual voltage V 1MO Imo = 1mA 50 200 mV O Hold current switching frequency Fdown Cosc2 = 1500pF 1.12 1.6 2.08 Hz OSC2 pin charge/discharge current Iosc2 7 10 13 A Hold current switching frequency Vtup2 0.8 1 1.2 V threshold voltage Vtdown2 0.3 0.5 0.7 V Output on-resistance Ronu I = 4.0A, high-side ON resistance 0.25 0.325 O Rond I = 4.0A, low-side ON resistance 0.15 0.195 O Output leakage current Ileak V = 50V 50 A O M Diode forward voltage VD I = -4.0A 1 1.3 V D Current setting reference voltage VRF VREF = 1.5V, Current ratio 100% 0.485 0.5 0.515 V No.A1998-2/23