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3964 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. 3964
Description  DUAL FULL-BRIDGE PWM MOTOR DRIVER
Download  10 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

3964 Datasheet(HTML) 3 Page - Allegro MicroSystems

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3964
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
www.allegromicro.com
3
NOTES: 1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
TRUTH TABLE
ENABLE
PHASE
OUTA
OUTB
H
X
Off
Off
LH
H
L
LL
L
H
ELECTRICAL CHARACTERISTICS at TA = +25
°C, V
BB = 30 V, VCC = 4.75 V to 5.25 V,
VS = 0 V, 30 k
& 1000 pF RC to Ground (unless noted otherwise)
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Load Supply Voltage Range
VBB
Operating, IOUT =
±800 mA, L = 3 mH
5.0
30
V
Output Sustaining Voltage
VCE(sus)
IOUT =
±800 mA, L = 3 mH, VBB = 33 V
33
——
V
Output Leakage Current
ICEX
VOUT = VBB = 33 V
<1.0
50
µA
VOUT = 0 V, VBB = 33 V
<1.0
-50
µA
Output Saturation Voltage
VCE(SAT)
Source Driver, IOUT = -500 mA
1.0
1.2
V
Source Driver, IOUT = -750 mA
1.1
1.5
V
Source Driver, IOUT = -800 mA
——
1.7
V
Sink Driver, IOUT = +500 mA
0.3
0.6
V
Sink Driver, IOUT = +750 mA
0.5
1.2
V
Sink Driver, IOUT = +800 mA
——
1.5
V
Clamp Diode Forward Voltage
VF
IF = 500 mA
1.1
1.4
V
(Sink or Source)
IF = 750 mA
1.3
1.6
V
IF = 800 mA
——
1.7
V
Motor Supply Current
IBB(ON)
VENABLE = 0.8 V
2.0
4.0
mA
(No Load)
IBB(OFF)
VENABLE = 2.4 V
0
500
µA
Output Drivers
X = Irrelevant


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