參數(shù)資料
型號： LB11947
元件分類： 運動控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, 1.75 A, PDIP28
封裝： 0.500 INCH, DIP-28
文件頁數(shù)： 7/14頁
文件大?。?/td> 154K
代理商： LB11947
LB11947
No.7318-2/14
Specifications
Absolute Maximum Ratings
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VBB max
50
V
Output peak current
IO peak
tW ≤ 20μs
1.75
A
Output continuous current
IO max
1.5
A
Logic input voltage range
VIN
-0.3 to VCC+0.3
V
Emitter output maximum voltage
VE max
1.0
V
VREF pin input voltage range
VREF
PWM = “L”, Motor driver not operating
-0.3 to VCC+0.3
V
Allowable power dissipation
Pd max
Independent IC
3.0
W
Operating temperature
Topr
-20 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
Recommended Operating Ranges
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VBB
10 to 45
V
Reference voltage
VREF
0.0 to 3.0
V
OSC oscillation frequency
fosc
50 to 100
kHz
Electrical Characteristics
at Ta
= 25°C, VBB = 45V, VREF = 1.0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Standby current dissipation
IBB ST
ST = L
3
4.5
6
mA
Operating current dissipation
IBB ON
ST = H, Motor driver no-load
7
10
13
mA
Motor driver block
VO sat1
IO = +1.0A, Sink
1.2
1.5
V
VO sat2
IO = +1.5A, Sink
1.5
1.8
V
VO sat3
IO = -1.0A, Source
1.9
2.3
V
Output saturation voltage
VO sat 4
IO = -1.5A, Source
2.2
2.5
V
IO1 (leak)
ST = 0V, VO = VBB, Sink
50
μA
Output leakage current
IO2 (leak)
ST = 0V, VO = 0V, Source
-50
μA
Output sustaining voltage
VSUS
L = 26.6mH, IO = 1.5A *1
50
V
VIH
Ta = 25
°C
2
V
VIL
Ta = 25
°C
0.8
V
VIHT
Ta = -20 to 85
°C *1
2
V
Logic input voltage
(PWM, PHASE, MD, ST)
VILT
Ta = -20 to 85
°C *1
0.8
V
IIH
VIH = VCC
60
90
120
μA
IIL
VIL = 0.8V
5
10
15
μA
IIHT
VIH = VCC, Ta = -20 to 85°C *1
40
150
μA
Logic input current
(PWM, PHASE, MD, ST)
IILT
VIH = 0.8V, Ta = -20 to 85°C *1
3
20
μA
VE25
VREF = 2.5V
0.483
0.5
0.513
V
VE10
VREF = 1.0V
0.190
0.2
0.210
V
Sense voltage
VE05
VREF = 0.5V
0.092
0.1
0.108
V
Reference current
Iref
Vref = 1.0V
-0.5
0.5
μA
CR pin current
ICR
CR = 1.0V
-1.38
-1.15
-0.92
mA
Minimum noise cancel time
tNC
C = 2200pF, R = 16k
Ω *2
5
μs
tDO
PWM
→ output delay time *3
1.2
μs
Output delay time
tDOT
Ta = -20 to 85
°C *1
1.2
μs
Measurement of through current
ITR
Pulse width of 500ns or more *4
1
A
Logic OFF voltage
VLSDOFF
6.4
8
9.6
V
LVSD hysteresis width
VLHIS
0.77
1.1
1.43
V
TEO pin saturation voltage
Vsat TEO
Iload = -3mA, Ta = 150
°C *1
0.45
V
Heat-generation warning temperature
TE
*1
135
°C
Thermal shutdown temperature
TSD
*1
180
°C
Continued on next page.
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