3964
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
TRUTH TABLE
ENABLE
H
L
L
PHASE
X
H
L
OUT
A
Off
H
L
OUT
B
Off
L
H
X = Irrelevant
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
BB
= 30 V, V
CC
= 4.75 V to 5.25 V,
V
S
= 0 V, 30 k
Ω
& 1000 pF RC to Ground (unless noted otherwise)
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers
Load Supply Voltage Range
Output Sustaining Voltage
Output Leakage Current
V
BB
V
CE(sus)
I
CEX
Operating, I
OUT
=
±800
mA, L = 3 mH
I
OUT
=
±800
mA, L = 3 mH, V
BB
= 33 V
V
OUT
= V
BB
= 33 V
V
OUT
= 0 V, V
BB
= 33 V
Output Saturation Voltage
V
CE(SAT)
Source Driver, I
OUT
= -500 mA
Source Driver, I
OUT
= -750 mA
Source Driver, I
OUT
= -800 mA
Sink Driver, I
OUT
= +500 mA
Sink Driver, I
OUT
= +750 mA
Sink Driver, I
OUT
= +800 mA
Clamp Diode Forward Voltage
(Sink or Source)
V
F
I
F
= 500 mA
I
F
= 750 mA
I
F
= 800 mA
Motor Supply Current
(No Load)
I
BB(ON)
I
BB(OFF)
V
ENABLE
= 0.8 V
V
ENABLE
= 2.4 V
5.0
33
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
<1.0
<1.0
1.0
1.1
—
0.3
0.5
—
1.1
1.3
—
2.0
0
30
—
50
-50
1.2
1.5
1.7
0.6
1.2
1.5
1.4
1.6
1.7
4.0
500
V
V
µA
µA
V
V
V
V
V
V
V
V
V
mA
µA
NOTES: 1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
