UDN2917 データシートの表示（PDF） - Allegro MicroSystems
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UDN2917 Datasheet PDF : 8 Pages
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2917
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 45 V, VCC = 5.0 V, VREF = 5.0 V (unless
otherwise noted).
Characteristic
Symbol
Test Conditions
Output Drivers (OUTA or OUTB)
Motor Supply Range
VBB
Output Leakage Current
ICEX
Output Sustaining Voltage
Output Saturation Voltage
VCE(sus)
VCE(SAT)
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Driver Supply Current
Control Logic
IR
VF
IBB(ON)
IBB(OFF)
VOUT = VBB
VOUT = 0
IOUT = ±1.5 A, L = 3.5 mH
Sink Driver, IOUT = +1.0 A*
Sink Driver, IOUT = +1.5 A*
Source Driver, IOUT = -1.0 A*
Source Driver, IOUT = -1.5 A*
VR = 45 V
IF = 1.5 A
Both Bridges On, No Load
Both Bridges Off
Input Voltage
VIN(1)
All Inputs
VIN(0)
All Inputs
Input Current
IIN(1)
VIN = 2.4 V
IIN(0)
VIN = 0.8 V
Reference Voltage Range
VREF
Operating
Current Limit Threshold
(at trip point)
VREF/VSENSE
I0 = I1 = 0.8 V
I0 = 2.4 V, I1= 0.8 V
I0 = 0.8 V, I1 = 2.4 V
Thermal Shutdown Temp.
TJ
Total Logic Supply Current
ICC(ON)
I0 = I1 = VEN = 0.8 V, No Load
ICC(OFF)
I0
=
I
1
=
2.4
V,
No
Load
Negative current is defined as coming out of (sourcing) the specified device pin.
Typical Data is for design information only.
* Pulse test (<10 ms).
Min.
Limits
Typ. Max.
Units
10
—
45
V
—
<1.0
50
µA
—
<-1.0
-50
µA
45
—
—
V
—
0.5
0.7
V
—
0.8
1.0
V
—
1.8
1.9
V
—
1.9
2.1
V
—
<1.0
50
µA
—
1.6
2.0
V
—
9.0
12
mA
—
4.0
6.0
mA
2.4
—
—
V
—
—
0.8
V
—
<1.0
20
µA
—
-3.0
-200
µA
1.5
—
7.5
V
9.5
10
10.5
—
13.5
15
16.5
—
25.5
30
34.5
—
—
170
—
°C
—
90
105
mA
—
10
12
mA
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