LV8731V
www.onsemi.com
2
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS at T
A
= 25°C
Parameter Symbol Conditions Ratings Unit
Supply Voltage VM max VM, VM1, VM2 36 V
Output Peak Current I
O
peak Tw ≤ 10 ms, duty 20%, Per 1ch 2.5 A
Output Current I
O
max Per 1ch 2 A
Logic Input Voltage V
IN
ATT1, ATT2, EMM, RST/BLK, STEP/DC22,
FR/DC21, MD2/DC12, MD1/DC11, DM, OE, ST
−0.3 to +6 V
MONI/EMO Input Voltage Vmoni/Vemo −0.3 to +6 V
Allowable Power Dissipation Pd max (Note 1) 3.25 W
Operating Temperature Topr −20 to +85 °C
Storage Temperature Tstg −55 to +150 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. Specified circuit board : 90.0 mm × 90.0 mm × 1.6 mm, glass epoxy 2−layer board, with backside mounting.
2. Caution 1: Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
3. Caution 2: Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high
temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the
further details.
ALLOWABLE OPERATING RATINGS T
A
= 25°C
Parameter Symbol Conditions Ratings Unit
Supply Voltage Range VM VM, VM1, VM2 9 to 32 V
Logic Input Voltage V
IN
ATT1, ATT2, EMM, RST/BLK, STEP/DC22,
FR/DC21, MD2/DC12, MD1/DC11, DM, OE, ST
0 to 5.5 V
VREF Input Voltage Range VREF 0 to 3 V
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
ELECTRICAL CHARACTERISTICS T
A
= 25°C, VM = 24 V, VREF = 1.5 V
Parameter
Symbol Conditions
Ratings
Unit
Min Typ Max
Standby Mode Current Drain IMstn ST = “L”, I(VM) + I(VM1) + I(VM2) 100 400
A
Current Drain IM ST = “H”, OE = “L”, with no load
I(VM) + I(VM1) + I(VM2)
3.2 5 mA
VREG5 Output Voltage Vreg5 I
O
= −1 mA 4.5 5 5.5 V
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
O
= 2 A, Upper−side on resistance 0.3 0.4
Rond I
O
= 2 A, Lower−side on resistance 0.25 0.33
Output Leakage Current I
O
leak 50
A
Diode Forward Voltage VD ID = −2 A 1.2 1.4 V
Logic Pin Input Current
I
IN
L ATT1, ATT2, EMM, RST/BLK,
STEP/DC22, FR/DC21, MD2/DC12,
MD1/DC11, DM, OE, ST,
V
IN
= 0.8 V
4 8 12
A
I
IN
H V
IN
= 5 V 30 50 70
A