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3966 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. 3966
Description  DUAL FULL-BRIDGE PWM MOTOR DRIVER
Download  9 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

3966 Datasheet(HTML) 3 Page - Allegro MicroSystems

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3966
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
www.allegromicro.com
3
Load Supply Voltage Range
VBB
Operating, IOUT = ±650 mA, L = 3 mH
VCC
30
V
Output Leakage Current
ICEX
VOUT
0
5
0
.
1
<
V
0
3
=
µA
VOUT
0
5
-
0
.
1
-
<
V
0
=
µA
Output Saturation Voltage
VCE(SAT)
Source Driver, IOUT = -400 mA
1.7
2.0
V
Source Driver, IOUT = -650 mA
1.8
2.1
V
Sink Driver, IOUT = +400 mA, VS = 0.5 V
0.3
0.5
V
Sink Driver, IOUT = +650 mA, VS = 0.5 V
0.7
1.3
V
Clamp Diode Forward Voltage
VF
IF
V
4
.
1
1
.
1
A
m
0
0
4
=
IF
V
6
.
1
4
.
1
A
m
0
5
6
=
Motor Supply Current
IBB(ON)
VENABLE1 = VENABLE2 = 0.8 V
3.0
5.0
mA
(No Load)
IBB(OFF)
VENABLE1 = VENABLE2 = 2.4 V
<1.0
200
µA
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 4.75 V to 5.5 V, VREF = 2 V,
VS = 0 V, 56 k& 680 pF RC to Ground (unless noted otherwise)
Limits
s
ti
n
U
.
x
a
M
.
p
y
T
.
n
i
M
s
n
o
it
i
d
n
o
C
t
s
e
T
l
o
b
m
y
S
c
it
s
ir
e
t
c
a
r
a
h
C
Output Drivers
Logic Supply Voltage Range
VCC
V
0
5
.
5
5
7
.
4
g
n
it
a
r
e
p
O
Logic Input Voltage
VIN(1)
2.4
V
VIN(0)
0.8
V
Logic Input Current
IIN(1)
VIN
0
2
0
.
1
<
V
4
.
2
=
µA
IIN(0)
VIN
0
0
2
-
0
2
-
<
V
8
.
0
=
µA
Reference Input Volt. Range
VREF
V
0
.
2
1
.
0
g
n
it
a
r
e
p
O
Reference Input Current
IREF
-2.5
0
1.0
µA
Reference Divider Ratio
VREF/VTRIP
3.8
4.0
4.2
Current-Sense Comparator
VIO
VREF
V
m
0
.
6
0
0
.
6
-
V
0
=
Input Offset Voltage
Current-Sense Comparator
VS
V
0
.
1
3
.
0
-
g
n
it
a
r
e
p
O
Input Voltage Range
Sense-Current Offset
ISO
IS – IOUT, 50 mA ≤ IOUT ≤ 650 mA
12
18
24
mA
Control Logic
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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