Ordering number : ENA1848A LV8735V Monolithic Linear IC LV8735V Allowable Operating Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Supply voltage VM VM, VM1, VM2 9 to 32 V Logic input voltage V ST, DM, STEP/DC22, FR/DC21, MD1/DC11, MD2/DC12, 0 to 5.5 V IN ATT1, ATT2, EMM, RST/BLK, OE/CMK VREF input voltage range VREF 0 to 3 V Electrical Characteristics at Ta = 25C, VM = 24V, VREF = 1.5V Ratings Parameter Symbol Conditions Unit min typ max Standby mode current drain IMst ST = L , IM(VM)+IM1(VM1)+IM2(VM2) 100 400 A Current drain IM ST = H, OE = L, with no load 3.2 5mA IM(VM)+IM1(VM1)+IM2(VM2) VREG5 output voltage Vreg5 I = -1mA 4.5 5 5.5 V O Thermal shutdown temperature TSD Design guarantee 150 180 200 C Thermal hysteresis width TSD Design guarantee 40 C Motor driver Output on resistance Ronu I = 1A, Upper-side on resistance 0.75 0.97 O Rond I = 1A, Lower-side on resistance 0.5 0.65 O Output leakage current Ileak 50 A O Diode forward voltage VD ID = -1A 1.2 1.4 V Logic input voltage High V h ST, DM, STEP/DC22, FR/DC21, MD1/DC11, 2.0 5.5 V IN MD2/DC12, ATT1, ATT2, EMM, RST/BLK, Low Vl 0 0.8V IN OE/CMK Logic pin input current I L ST, DM, STEP/DC22, FR/DC21, MD1/DC11, 48 12 A IN other MD2/DC12, OE/CMK pin ATT1, ATT2, EMM, RST/BLK, V = 0.8V IN IH V = 5V 30 50 70 A IN IN MD2/DC12 pin input current I2L V = 0.8V 8 16 24 A MD IN I2H V = 5V 60 100 140 A MD IN OE / CMK pin input current I L DM = L, OE/CMK = 0.8V 4 8 12 A CMK I H DM = L, OE/CMK = 5V 30 50 70 A CMK I DM = H, OE/CMK = 0V -32 -25 -18 A CMK OE/CMK pin current LIMIT mask Vt DM = H 1.2 1.5 1.8 V CMK threshold voltage. Current setting 1/16 step drive Vtdac0 4W Step 0 (When initialized : channel 1 0.291 0.3 0.309 V comparator comparator level) threshold Vtdac1 4W Step 1 (Initial state+1) 0.291 0.3 0.309 V voltage Vtdac2 4W Step 2 (Initial state+2) 0.2850.294 0.303V (current step Vtdac3 4W Step 3 (Initial state+3) 0.2790.288 0.297V switching) Vtdac4 4W Step 4 (Initial state+4) 0.2670.276 0.285V Vtdac5 4W Step 5 (Initial state+5) 0.2550.264 0.273V Vtdac6 4W Step 6 (Initial state+6) 0.240.249 0.258V Vtdac7 4W Step 7 (Initial state+7) 0.2220.231 0.24V Vtdac8 4W Step 8 (Initial state+8) 0.2010.21 0.219V Vtdac9 4W Step 9 (Initial state+9) 0.180.189 0.198V Vtdac10 4W Step 10 (Initial state+10) 0.1570.165 0.173V Vtdac11 4W Step 11 (Initial state+11) 0.1340.141 0.148V Vtdac12 4W Step 12 (Initial state+12) 0.1070.114 0.121V Vtdac13 4W Step 13 (Initial state+13) 0.080.087 0.094V Vtdac14 4W Step 14 (Initial state+14) 0.0530.06 0.067V Vtdac15 4W Step 15 (Initial state+15) 0.0230.03 0.037V Continued on next page. No.A1848-2/26