3951
FULL-BRIDGE
PWM MOTOR DRIVER
A3951SW
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Dwg. PP-058-1
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 50 V, VCC = 5.0 V,
VREF = 2.0 V, VSENSE = 0 V, RC = 20 kΩ/1000 pF to Ground (unless noted otherwise).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ. Max. Units
Output Drivers
Load Supply Voltage Range
Output Leakage Current
VBB
ICEX
Operating, IOUT = ±2.0 A, L = 3 mH
VOUT = VBB
VCC
–
–
<1.0
<-1.0
0.9
1.0
1.2
0.9
1.0
1.3
1.0
1.1
1.4
2.9
3.1
3.1
50
50
V
µA
µA
V
VOUT = 0 V
–
-50
1.2
1.4
1.8
1.2
1.4
1.8
1.4
1.6
2.0
6.0
6.5
6.5
Output Saturation Voltage
VCE(SAT)
Source driver, IOUT = -0.5 A
Source driver, IOUT = -1.0 A
Source driver, IOUT = -2.0 A
Sink driver, IOUT = +0.5 A
Sink driver, IOUT = +1.0 A
Sink driver, IOUT = +2.0 A
IF = 0.5 A
–
–
V
–
V
–
V
–
V
–
V
Clamp Diode Forward Voltage
(Source or Sink)
VF
–
V
IF = 1.0 A
–
V
IF = 2.0 A
–
V
Load Supply Current
(No Load)
IBB(ON)
IBB(OFF)
VENABLE = 0.8 V, VREF = 2.0 V
VENABLE = VREF = 2.0 V
VBRAKE = 0.8 V
–
mA
mA
mA
–
IBB(BRAKE)
–
Continued next page …
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SANKEN [ SANKEN ELECTRIC ]
