3951
FULL-BRIDGE
PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS (Continued)
Limits
Typ. Max. Units
Characteristic
Symbol
Test Conditions
Min.
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
VCC
VIN(1)
VIN(0)
IIN(1)
IIN(0)
VREF
IREF
–
Operating
4.5
2.0
–
5.0
–
5.5
–
V
V
–
0.8
20
V
Logic Input Current
VIN = 2.0 V
–
<1.0
<-2.0
–
µA
µA
V
VIN = 0.8 V
–
-200
VCC
55
Reference Voltage Range
Reference Input Current
Reference Voltage Divider Ratio
PWM RC Fixed Off Time
PWM Minimum On Time
Operating
2.0
25
9.5
18
–
2.0 V ≤ VREF ≤ VCC
40
µA
–
VREF = 5 V
10.0
20
10.5
22
toff
CT = 1000 pF, RT = 20 kΩ
CT = 820 pF, RT ≥ 12 kΩ
CT = 1200 pF, RT ≥ 12 kΩ
IOUT = ±2.0 A, 50% EIN to 90% EOUT transition:
ENABLE on to source driver on
ENABLE off to source driver off
ENABLE on to sink driver on
ENABLE off to sink driver off
PHASE change to source driver on
PHASE change to source driver off
PHASE change to sink driver on
PHASE change to sink driver off
Comparator trip to sink driver off
µs
µs
µs
ton(min)
1.7
2.5
3.0
3.8
–
Propagation Delay Time
tpd
–
–
2.9
0.7
2.4
0.7
2.9
0.7
2.4
0.7
0.8
165
15
–
–
µs
µs
µs
µs
µs
µs
µs
µs
µs
°C
°C
V
–
–
–
–
–
–
–
–
–
–
–
–
tpd(pwm)
TJ
–
1.5
–
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
UVLO Disable Threshold
UVLO Hysteresis
–
∆TJ
–
–
VCC(UVLO)
∆VCC(UVLO)
ICC(ON)
3.15
300
–
3.50
400
20
3.85
500
30
18
40
mV
mA
mA
mA
Logic Supply Current
(No Load)
VENABLE = 0.8 V, VREF = 2.0 V
VENABLE = VREF = 2.0 V
VREF = 0.8 V
ICC(OFF)
ICC(BRAKE)
–
12
–
26
NOTES: 1. Typical Data is for design information only.
2. Each driver is tested separately.
3. Negative current is defined as coming out of (sourcing) the specified device terminal.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
4
SANKEN [ SANKEN ELECTRIC ]
