參數(shù)資料
型號(hào): TB62209FG
廠商: Toshiba Corporation
英文描述: Stepping Motor Driver IC Using PWM Chopper Type
中文描述: 步進(jìn)馬達(dá)驅(qū)動(dòng)IC用PWM斬波型
文件頁數(shù): 20/51頁
文件大?。?/td> 497K
代理商: TB62209FG
TB62209FG
2005-03-02
20
AC Characteristics
(Ta
=
25°C, V
M
=
24 V, V
DD
=
5 V, 6.8 mH/5.7
)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Clock frequency
f
CLK
AC
120
kHz
t
w
(t
CLK
)
AC
100
t
wp
AC
50
Minimum clock pulse width
t
wn
AC
50
ns
t
r
AC
Output Load: 6.8 mH/5.7
100
t
f
AC
100
t
pLH
AC
CLK to OUT
1000
t
pHL
AC
Output Load: 6.8 mH/5.7
2000
t
pLH
AC
CR to OUT
500
Output transistor switching
characteristic
t
pHL
AC
Output Load: 6.8 mH/5.7
1000
ns
t
r
AC
20
t
f
AC
20
t
pLH
AC
20
Transistor switching characteristics
(MO, PROTECT)
t
pHL
AC
20
ns
Noise rejection dead band time
t
BRANK
AC
I
OUT
=
1.0 A
200
300
400
ns
CR reference signal oscillation
frequency
f
CR
AC
C
osc
=
560 pF, R
osc
=
3.6 k
800
kHz
Chopping frequency range
f
chop (min)
f
chop (max)
AC
V
M
=
24 V, V
DD
=
5 V,
Output ACTIVE (I
OUT
=
1.0 A)
Step fixed, Ccp1
=
0.22
μ
F,
Ccp2
=
0.01
μ
F
40
100
150
kHz
Chopping frequency
f
chop
AC
Output ACTIVE (I
OUT
=
1.0 A),
CR CLK
=
800 kHz
100
kHz
Charge pump rise time
t
ONG
AC
Ccp
=
0.22
μ
F, Ccp
=
0.01
μ
F
V
M
=
24 V, V
DD
=
5 V,
STANDBY
=
ON
OFF
100
200
μ
s
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