Ordering number : ENA1483B LV8732V Monolithic Linear IC LV8732V 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 , I(VM)+I(VM1)+I(VM2) 100 400 A Current drain IM ST = H, OE = L, with no load , 3.2 5mA I(VM)+I(VM1)+I(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 = 2A, Upper-side on resistance 0.3 0.4 O Rond I = 2A, Lower-side on resistance 0.25 0.33 O Output leakage current Ileak 50 A O Diode forward voltage VD ID = -2A 1.2 1.4 V Logic pin input current I L ATT1 , ATT2 , EMM , RST/BLK , 48 12 A IN STEP/DC22 , FR/DC21 , MD2/DC12 , MD1/DC11 , DM , OE , ST , V = 0.8V IN IH V = 5V 30 50 70 A IN IN Logic input voltage High V h ATT1 , ATT2 , EMM , RST/BLK , 2.0 5.5 V IN STEP/DC22 , FR/DC21 , MD2/DC12 , Low Vl 0 0.8V IN MD1/DC11 , DM , OE , ST Current setting 1/8 step Vtdac0 2W Step 0 (When initialized : channel 1 0.291 0.3 0.309 V comparator resolution comparator level) threshold voltage Vtdac1 2W Step 1 (Initial state+1) 0.2850.294 0.303V (current step Vtdac2 2W Step 2 (Initial state+2) 0.2670.276 0.285V switching) Vtdac3 2W Step 3 (Initial state+3) 0.2400.249 0.258V Vtdac4 2W Step 4 (Initial state+4) 0.2010.21 0.219V Vtdac5 2W Step 5 (Initial state+5) 0.1570.165 0.173V Vtdac6 2W Step 6 (Initial state+6) 0.1070.114 0.121V Vtdac7 2W Step 7 (Initial state+7) 0.0530.06 0.067V Quarter step Vtdac0 W Step 0 (When initialized : channel 1 0.291 0.3 0.309 V resolution comparator level) Vtdac2 W Step 2 (Initial state+1) 0.2670.276 0.285V Vtdac4 W Step 4 (Initial state+2) 0.2010.21 0.219V Vtdac6 W Step 6 (Initial state+3) 0.1070.114 0.121V Half step Vtdac0 H Step 0 (When initialized : channel 1 0.291 0.3 0.309 V resolution comparator level) Vtdac4 H Step 4 (Initial state+1) 0.2010.21 0.219V Full step Vtdac4 F Step 4 (When initialized : channel 1 0.291 0.3 0.309 V resolution comparator level) Current setting comparator Vtatt00 ATT1 = L, ATT2 = L 0.291 0.3 0.309 V threshold voltage Vtatt01 ATT1 = H, ATT2 = L 0.232 0.24 0.248 V (current attenuation rate switching) Vtatt10 ATT1 = L, ATT2 = H 0.143 0.15 0.157 V Vtatt11 ATT1 = H, ATT2 = H 0.053 0.06 0.067 V Chopping frequency Fchop Cchop = 200pF 40 50 60 kHz CHOP pin charge/discharge current Ichop 7 10 13 A Chopping oscillation circuit Vtup 0.8 1 1.2 V threshold voltage Vtdown 0.4 0.5 0.6 VREF pin input current Iref VREF = 1.5V -0.5 A MONI pin saturation voltage Vsatmon Imoni = 1mA 400 mV Charge pump VG output voltage VG 28 28.7 29.8 V Rise time tONG VG = 0.1F , Between CP1-CP2 0.1u F , 200 500 S ST=H VG=VM+4V Oscillator frequency Fosc 90 125 150 kHz Continued on next page. No.A1483-2/26