3966
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
BB
= 30 V, V
CC
= 4.75 V to 5.5 V, V
REF
= 2 V,
V
S
= 0 V, 56 k
Ω
& 680 pF RC to Ground (unless noted otherwise)
Limits
Characteristic
Output Drivers
Load Supply Voltage Range
Output Leakage Current
Output Saturation Voltage
V
BB
I
CEX
V
CE(SAT)
Operating, I
OUT
=
±650
mA, L = 3 mH
V
OUT
= 30 V
V
OUT
= 0 V
Source Driver, I
OUT
= -400 mA
Source Driver, I
OUT
= -650 mA
Sink Driver, I
OUT
= +400 mA, V
S
= 0.5 V
Sink Driver, I
OUT
= +650 mA, V
S
= 0.5 V
Clamp Diode Forward Voltage
Motor Supply Current
(No Load)
V
F
I
BB(ON)
I
BB(OFF)
I
F
= 4 0 0 m A
I
F
= 6 5 0 m A
V
ENABLE1
= V
ENABLE2
= 0.8 V
V
ENABLE1
= V
ENABLE2
= 2.4 V
V
CC
—
—
—
—
—
—
—
—
—
—
—
<1.0
<-1.0
1.7
1.8
0.3
0.7
1.1
1.4
3.0
<1.0
30
50
-50
2.0
2.1
0.5
1.3
1.4
1.6
5.0
200
V
µA
µA
V
V
V
V
V
V
mA
µA
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
Logic Input Current
Reference Input Volt. Range
Reference Input Current
Reference Divider Ratio
Current-Sense Comparator
Input Offset Voltage
Current-Sense Comparator
Input Voltage Range
Sense-Current Offset
V
CC
V
IN(1)
V
IN(0)
I
IN(1)
I
IN(0)
V
REF
I
REF
V
REF
/V
TRIP
V
IO
V
S
I
SO
V
REF
= 0 V
Operating
I
S
– I
OUT
, 50 mA
≤
I
OUT
≤
650 mA
V
IN
= 2.4 V
V
IN
= 0.8 V
Operating
Operating
4.75
2.4
—
—
—
0.1
-2.5
3.8
-6.0
-0.3
12
—
—
—
<1.0
<-20
–
0
4.0
0
—
18
5.50
—
0.8
20
-200
2.0
1.0
4.2
6.0
1.0
24
V
V
V
µA
µA
V
µA
—
mV
V
mA
NOTES:1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
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