MC33039, NCV33039 Closed Loop Brushless Motor Adapter The MC33039 is a high performance closedloop speed control adapter specifically designed for use in brushless DC motor control systems. Implementation will allow precise speed regulation without MC33039, NCV33039 MAXIMUM RATINGS Rating Symbol Value Unit V Zener Current I 30 mA CC Z(V ) CC Logic Input Current (Pins 1, 2, 3) I 5.0 mA IH Output Current (Pins 4, 5), Sink or Source I 20 mA DRV Power Dissipation and Thermal Characteristics Maximum Power Dissipation T = + 85C P 650 mW A D Thermal Resistance, JunctiontoAir R 100 C/W JA Operating Junction Temperature T +150 C J Operating Ambient Temperature Range T C A MC33039 40 to +85 NCV33039 40 to +125 Storage Temperature Range T 65 to +150 C stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. ELECTRICAL CHARACTERISTICS (V = 6.25 V, R = 10 k, C = 22 nF, T = 25C, unless otherwise noted) CC T T A Characteristic Symbol Min Typ Max Unit LOGIC INPUTS Input Threshold Voltage V High State V 2.4 2.1 IH Low State V 1.4 1.0 IL Hysteresis V 0.4 0.7 0.9 H Input Current I A IH High State (V = 5.0 V) IH 40 60 80 A , 0.3 5.0 B C Low State (V = 0 V) I IL IL 190 300 380 A , 0.3 5.0 B C MONOSTABLE AND OUTPUT SECTIONS Output Voltage V V OH High State f (I = 5.0 mA) 3.60 3.95 4.20 out source (I = 2.0 mA) 4.20 4.75 A source Low State V OL f (I = 10 mA) 0.25 0.50 out sink (I = 10 mA) 0.25 0.50 A sink Capacitor C Discharge Current I 20 35 60 mA T dischg Output Pulse Width (Pin 5) t 205 225 245 s PW POWER SUPPLY SECTION Power Supply Operating Voltage Range V 5.5 V V CC Z MC33039 (T = 40 to +85C) A NCV33039 (T = 40 to +125C) A Power Supply Current I 1.8 3.9 5.0 mA CC Zener Voltage (I = 10 mA) V 7.5 8.25 9.0 V Z Z Z 2.0 5.0 Zener Dynamic Impedance ( I = 10 mA to 20 mA, f 1.0 kHz) Z ka