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UDN2916A Datasheet(PDF) 3 Page - STMicroelectronics

Part # UDN2916A
Description  STEPPER MOTOR DRIVER
PDF  8 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UDN2916A Datasheet(HTML) 3 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
50
V
Io
Output Current (peak)
±1A
Io
Output Current (continuous)
±0.75
A
VSS
Logic Supply Voltage
7
V
VIN
Logic Input Voltage Range
-0.3 to +7
V
Vsense
Sense Output Voltage
1.5
V
TJ
Junction Temperature
+150
°C
Top
Operating Temperature Range
0 to 70
°C
Tstg
Storage Temperature Range
-55 to +150
°C
THERMAL DATA
Symbol
Description
Value
Unit
Rthj-case
Rthj-ambient
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max
Max
14
60
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (Tamb =25
°C, Ttab ≤ 70°C, VS = 50V, VSS = 4.75V to 5.25V,
VREF = 5V; unless otherwise specified) See fig. 3.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
OUTPUT DRIVERS (OUTA or OUTB)
VS
Motor Supply Range
10
50
V
ICEX
Output Leakage Current
VOUT =Vs
VOUT =0
-
-
<1
<-1
50
-50
µA
µA
VCE(sat)
Output Saturation Voltage
Sink Driver, IOUT = +500mA
Sink Driver, IOUT = +750mA
Source Driver, IOUT = -500mA
Source Driver, IOUT = -750mA
-
-
-
-
0.3
0.7
1.1
1.3
0.6
1
1.4
1.6
V
V
V
V
IR
Clamp Diode Leakage Current
VR = 50V
-
<1
50
µA
VF
Clamp Diode Forward Voltage
Sink Diode
Source Diode IF =750mA
1
1
1.5
1.5
V
V
IS(on)
Driver Supply Current
Both Bridges ON, No Load
-
8
15
mA
IS(off)
Driver Supply Current
Both Bridges OFF
-
6
10
mA
CONTROL LOGIC
VIN(H)
Input Voltage
All Inputs
2.4
-
-
V
VIN(L)
Input Voltage
All Inputs
-
-
0.8
V
IIN(H)
Input Current
VIN = 2.4V
-
<1
20
µA
IIN(L)
Input Current
VIN = 0.84V
-
-3
-200
µA
VREF
Reference Voltage
Operating
1.5
-
7.5
V
ISS(ON)
Total Logic Supply Current
Io =I1 = 0.8V, No Load
-
54
64
mA
ISS(OFF)
Total Logic Supply Current
Io =I1 = 2.4V, No Load
-
10
14
mA
COMPARATORS
VREF /Vsense Current Limit Threshold (at trip
point
Io =I1 = 0.8V
9.5
10
10.5
-
Io = 2.4V, I1 = 0.8V
13.5
15
16.5
-
Io = 0.8V, I1 = 2.4V
25.5
30
34.5
-
toff
Cutoff Time
Rt = 56K
Ω Ct = 820pF
-
50
s
td
Turn Off Delay
Fig. 1
-
1
s
µ
µ
UDN2916A
3/8



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