tb62209f TOSHIBA Semiconductor CORPORATION, tb62209f Datasheet - Page 20

• Manufacturer Part Number: tb62209f
• Description: Stepping Motor Driver Ic Using Pwm Chopper Type
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Clock frequency
Minimum clock pulse width
Output transistor switching
characteristic
Transistor switching characteristics
(MO, PROTECT)
Noise rejection dead band time
CR reference signal oscillation
frequency
Chopping frequency range
Chopping frequency
Charge pump rise time
Characteristics
(Ta = = = = 25°C, V
f
f
chop (max)
t
chop (min)
Symbol
w
t
BRANK
t
f
f
t
t
t
t
t
t
chop
ONG
(t
f
CLK
t
t
pLH
pHL
pLH
pHL
pLH
pHL
M
CR
wp
wn
t
t
t
t
CLK
r
f
r
f
= = = = 24 V, V
)
Circuit
Test



















DD
20
Output Load: 6.8 mH/5.7 Ω
CLK to OUT
Output Load: 6.8 mH/5.7 Ω
CR to OUT
Output Load: 6.8 mH/5.7 Ω
I
C
V
Output ACTIVE (I
Step fixed, Ccp1 = 0.22 µF,
Ccp2 = 0.01 µF
Output ACTIVE (I
CR CLK = 800 kHz
Ccp = 0.22 µF, Ccp = 0.01 µF
V
STANDBY = ON → OFF
OUT
M
M
osc
= = = = 5 V, 6.8 mH/5.7 Ω Ω Ω Ω )
= 24 V, V
= 24 V, V
= 560 pF, R
= 1.0 A
Test Condition
DD
DD









= 5 V,
= 5 V,
osc
OUT
OUT
= 3.6 kΩ
= 1.0 A)
= 1.0 A),
100
200
Min

50
50











40


1000
2000
1000
Typ.
100
100
500
300
800
100
100
100
20
20
20
20




TB62209F
2001-09-05
Max
120
400
150
200















Unit
kHz
kHz
kHz
kHz
µs
ns
ns
ns
µs