Ordering number : ENA2035 LB1947VC Monolithic Digital IC PWM Current Control Type LB1947VC Allowable Operating Ranges at Ta = 25C Parameter Symbol Conditions Ratings Unit Motor supply voltage V 10 to 45 V BB Logic supply voltage V 4.75 to 5.25 V CC Reference voltage V 0 to V -2 V REF CC Electrical Characteristics at Ta = 25C, V = 5V CC Ratings Parameter Symbol Conditions Unit min typ max Output Block Output stage supply current I ON No-load state, Forward 0.4 0.6 1.0 mA BB I BR No-load state, Brake 0.2 0.4 0.8 mA BB I OFF No-load state, Output off 0.2 0.4 0.8 mA BB I wt No-load state, Standby mode 0.1 mA BB Output saturation voltage Vsat1 I = +1.0A, Sink 1.2 1.5 V O O Vsat2 I = +2.0A, Sink 1.6 1.9 V O O Vsat3 I = -1.0A, Source 1.8 2.2 V O O Vsat4 I = -2.0A, Source 2.1 2.4 V O O Output leak current I1(leak) V = V , Sink 50 A O O BB I2(leak) V = 0V, Source -50 A O O Output sustain voltage V L = 3.9mH, I = 2.0A, Design guarantee value* 50 V SUS O Logic Block Logic supply current I ON IN1: High, IN2: Low, ST: High 11 16 21 mA CC I BR IN1: Low, IN2: High, ST: High 11 16 21 mA CC I OFF IN1: Low, IN2: Low, ST: High 11 16 21 mA CC I wt ST: Low 1.0 2 3.0 mA CC Logic pin input voltage V H High level voltage 2 V IN (ST, IN1, IN2, VI) VL Low level voltage 0.8 V IN Logic pin input current IH V = 5V 60 90 120 A IN IN (ST, IN1, IN2, VI) IL V = 0.8V 6 10 13 A IN IN Sensing voltage V 0 1.1V E Sensing voltage 25H V 25 VI = High, V = 2.5V 0.970 1.0 1.030 V EH REF Sensing voltage 25L V 25 VI = Low, V = 2.5V 0.483 0.5 0.513 V EL REF Sensing voltage 15H V 15 VI = High, V = 1.5V 0.385 0.4 0.410 V EH REF Sensing voltage 15L V 15 VI = Low, V = 1.5V 0.190 0.2 0.210 V EL REF Sensing voltage 05H V 05 VI = High, V = 0.5V 0.190 0.2 0.210 V EH REF Sensing voltage 05L V 05 VI = Low, V = 0.5V 0.092 0.1 0.108 V EL REF Reference current Iref V = 1.0V -0.5 +0.5 A REF CR pin current I CR = 1.0V -1.56 -1.3 -1.04 mA CR MD pin input voltage V H High level voltage V-0.3 V MD CC V M Middle level voltage 0.3V V -1.0 V MD CC CC VL Low level voltage .0.4 V MD MD pin input current I H MD = V -0.5V, CR = 1.0V -1.0 +1.0 A MD CC I L MD = 0.4V, CR = 2.0V -5.0 A MD Thermal shutdown temperature TSD Design guarantee value* 170 C * Design guarantee value, Do not measurement. No.A2035-2/11