参数资料
型号: TB62201AF
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38
封装: 0.450 INCH, 0.65 MM PITCH, HEAT SINK, PLASTIC, SOP-36/38
文件页数: 13/89页
文件大小: 1396K
代理商: TB62201AF
TB62201AF
2005-04-04
20
AC Characteristics (Ta = 25°C, VM = 24 V, VDD = 5 V, 6.8 mH/5.7
)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Clock frequency
fCLK
16
1.0
25
MHz
tw (CLK)
40
twp (CLK)
20
Minimum clock pulse width
twn (CLK)
16
20
ns
tSTROBE
40
tSTROBE (H)
20
Minimum STROBE pulse width
tSTROBE (L)
16
20
ns
tsuSIN-CLK
20
Data setup time
tsuST-CLK
16
20
ns
tHsin-CLK
20
Data hold time
thCLK-ST
16
20
ns
tr
0.1
tf
Output Load; 6.8 mH/5.7
0.1
tpLH (ST)
15
tpHL (ST)
STROBE (↑) to VOUT
Output Load; 6.8 mH/5.7
10
tpLH (CR)
1.2
Output transistor switching
characteristic
tpHL (CR)
18
CR to VOUT
Output Load; 6.8 mH/5.7
2.5
s
Noise rejection dead band time
tBLNK
19
Iout = 1.0 A
200
300
400
ns
CR reference signal oscillation
frequency
fCR
20
Cosc = 560 pF, Rosc = 3.6 k
736
kHz
Chopping frequency range
fchop (min)
fchop (typ.)
fchop (max)
Output active (Iout = 1.0 A)
Step fixed, Ccp1
= 0.22 F,
Ccp2
= 0.01 F
40
100
150
kHz
Chopping frequency
fchop
20
Output active (Iout = 1.0 A)
CR CLK
= 800 kHz
100
kHz
Charge pump rise time
tONG
21
Ccp2
= 0.22 F, Ccp = 0.01 F
VM = 24 V, VDD = 5 V,
RESET
= L → H
2
4
ms
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