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參數(shù)資料
| 型號： | TB62218FNG |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO48 |
| 封裝： | 0.300 INCH, 0.50 MM PITCH, PLASTIC, TSSOP-48 |
| 文件頁數(shù)： | 24/24頁 |
| 文件大?。?/td> | 463K |
| 代理商： | TB62218FNG |
TB62218FNG
2010-10-07
9
AC Electrical Characteristics (Ta = 25°C, VM = 24 V, 6.8 mH/5.7 Ω)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Phase frequency
fPHASE
AC
fOSC = 1600 kHz
400
kHz
tPHASE
AC
100
ns
twp
AC
50
ns
Minimum phase pulse width
twn
AC
50
ns
tr
AC
150
200
250
ns
tf
AC
100
150
200
ns
tpLH (P) MAX
AC
PHASE to OUT
500
850
1200
ns
tpHL (P) MAX
AC
PHASE to OUT
500
850
1200
ns
tpLH (P) MIN
AC
PHASE to OUT
250
600
950
ns
Output transistor switching
characteristics
tpHL (P) MIN
AC
PHASE to OUT
250
600
950
ns
Blanking time for current spike
prevention
tBLANK
AC
IOUT = 1.0 A
200
300
500
ns
OSC oscillation reference
frequency
fCR
AC
COSC = 270 pF, ROSC = 3.6 kΩ
1200
1600
2000
kHz
Chopper frequency range
fchop (RANGE)
AC
VM = 24 V, outputs enabled ACTIVE
(IOUT = 1.0 A)
40
100
150
kHz
Predefined chopper frequency
fchop
AC
Outputs enabled (IOUT = 1.0 A),
CR = 1600 kHz
100
kHz
ISD masking time
TlSD (Mask)
AC
After ISD threshold is exceeded due to
an output short-circuit to power or
ground
4
CR-CLK
ISD on-time
tlSD
AC
After ISD threshold is exceeded due to
an output short-circuit to power or
ground
4
8
CR-CLK
Timing Charts of Output Transistors Switching
VM
GND
Output voltage
PHASE
90%
50%
10%
50%
90%
50%
10%
90%
50%
10%
twp
twn
tpLH
tpHL
tr
tf
tphase
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