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L6228 датащи(PDF) 6 Page - STMicroelectronics

номер детали L6228
подробное описание детали  DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
Download  26 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6228 датащи(HTML) 6 Page - STMicroelectronics

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L6228
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Vth(ON)
Turn-on Input Threshold
1.8
2.0
V
Vth(OFF)
Turn-off Input Threshold
0.8
1.3
V
Vth(HYS) Input Threshold Hysteresis
0.25
0.5
V
Switching Characteristics
tD(ON)EN Enable to Output Turn-on Delay
Time (8)
ILOAD =1.4A, Resistive Load
500
650
800
ns
tD(OFF)EN Enable to Output Turn-off Delay
Time (8)
ILOAD =1.4A, Resistive Load
500
800
1000
ns
tRISE
Output Rise Time (8)
ILOAD =1.4A, Resistive Load
40
250
ns
tFALL
Output Fall Time (8)
ILOAD =1.4A, Resistive Load
40
250
ns
tDCLK
Clock to Output Delay Time (9)
ILOAD =1.4A, Resistive Load
2
µs
tCLK(min)L Minimum Clock Time (10)
1µs
tCLK(min)
H
Minimum Clock Time (10)
1µs
fCLK
Clock Frequency
100
KHz
tS(MIN)
Minimum Set-up Time (11)
1µs
tH(MIN)
Minimum Hold Time (11)
1µs
tR(MIN)
Minimum Reset Time (11)
1µs
tRCLK(MIN
)
Minimum Reset to Clock Delay
Time (11)
1µs
tDT
Dead Time Protection
0.5
1
µs
fCP
Charge Pump Frequency
Tj = -25°C to 125°C
(7)
0.6
1
MHz
PWM Comparator and Monostable
IRCA, IRCB Source Current at pins RCA and
RCB
VRCA = VRCB = 2.5V
3.5
5.5
mA
Voffset
Offset Voltage on Sense
Comparator
VREFA, VREFB = 0.5V
±5
mV
tPROP
Turn OFF Propagation Delay (12)
500
ns
tBLANK
Internal Blanking Time on
SENSE pins
1µs
tON(MIN) Minimum On Time
2.5
3
µs
tOFF
PWM Recirculation Time
ROFF = 20KΩ; COFF = 1nF
13
µs
ROFF = 100KΩ; COFF = 1nF
61
µs
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25°C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit


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