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MC34920FN Scheda tecnica(PDF) 9 Page - Freescale Semiconductor, Inc

Il numero della parte MC34920FN
Spiegazioni elettronici  2.8 ohm (Typ) Quad H-Bridge Motor Driver
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34920FN Scheda tecnica(HTML) 9 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34920
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 21 V VVB+ 42 V, TA = 10°C to 55°C, TJ max = 135°C, VCC = 5.25 V max unless
otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under typical conditions unless
otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SERIAL INPUT PORT TIMING
Serial Clock Frequency
fCLK
4.0
12
MHz
SCLK High Width
tCLH
41.667
125
ns
SCLK Low Width
tCLL
41.667
125
ns
Delay CS Falling to First SCLK Rising
tCS-SCLK
83.333
250
ns
Delay Last SCLK Rising Edge to CS Rising
tSCLK-CS
83.333
250
ns
Data Valid to SCLK Set-Up Time
tDSU
41.667
125
ns
Data Hold Time
tDHD
41.667
125
ns
SDI Rise Time
tRD
5.0
10
ns
SDI Fall Time
tFD
5.0
10
ns
SCLK Rise/Fall Time
tRFC
5.0
10
ns
CS Off-Time (tDHD + tDSU)
tNCS-OFF
83.333
250
ns
V1 AND V2 VOLTAGE REGULATORS
Clock Frequency Overtemperature
fOP
175
200
225
kHz
V1 Duty Cycle
V1_DC
35
37.5
40
%
V2 Duty Cycle
V2_DC
80
82.5
85
%
BIPOLAR CURRENT REGULATED STEP MOTOR DRIVE SYSTEM
Shoot-Through Delay
tDEAD
15
200
350
ns
Off-Time
tOFF
20
29
38
µs
Current Blanking Time
tBLANK
300
750
ns
DC MOTOR DRIVE SYSTEM
PWM Frequency
TA = 25°C
fPWM
20
21
kHz
Shoot-Through Delay
tDEAD
15
180
350
ns
Overcurrent Off-Time
tOC_OFF
10
40
70
µs


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