MTD2003F 반도체 회로 부품 판매점
Stepping Motor Driver ICs
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 Shindengen Electric |
SHINDENGEN
Stepping Motor Driver ICs
MTD2003F
OUTLINE DIMENSIONS
Case : HSOP-28
FEATURES
●Constant-current chopping function
(Frequency fixed, separate-oscillation)
●4-phase input
(with inhibit for simultaneously turn ON)
●Current levels can be selected in
2 bit digital signal
●A noise cancel function is provided
(No externally attached filter needed)
●Protection for penetration current
●Built-in overheating protection
●Built-in flywheel diodes
RATINGS
●Absolute Maximum Ratings (Ta=25℃)
Item
Output Voltage
Output Current
Logic Supply Voltage
Logic Input Voltage
Total Power Dissipation
Junction Temperature
Storage Temperature
Symbol
VCEO(SUS)
IO
VCC
VIN
PT
Tj
Tstg
●Electrical Characteristics (Ta=25℃)
Item
Output Saturation Voltage(Upper side)
Output Saturation Voltage(Lower side)
Output Leakage Current(Upper side)
Output Leakage Current(Lower side)
Logic Supply Current(Standby)
Logic Supply Current(All Circuit ON)
Input High Voltage
Input Low Voltage
Logic High Input Current
Logic Low Input Current
Io,II”H”Input Voltage
Io,II”L”Input Voltage
Io,II”H”Input Current
Io,II”L”Input Current
Current Sensor Threshold(100%)
Current Sensor Threshold(70%)
Current Sensor Threshold(33%)
Reference Input Current
Input Current(Current Sensor)
Pulse Blanking Time
Thermal Shutdown Temperature
Symbol
Test Conditions
VCE(sat)H Io=1.0A
VCE(sat)L Io=1.0A
IrH Vmm=30V,Vout=0V
IrL Vout=30V,VRS=0V
ICC(OFF) VCC=5V,IN="H,H"or"L,L"
ICC(ON) VCC=5V
VINH VCC = 5V
VINL VCC = 5V
lINH VCC = 5V,VIN=5V
lINL VCC = 5V,VIN=0V
V(Io,II)H VCC=5V
V(Io,II)L VCC=5V
I(Io,II)H VCC=5V,V(Io,II)=5V
I(Io,II)L VCC=5V,V(Io,II)=0V
VS1 VCC=Vr=5V,V(Io)=0V,V(II)=0V
VS2 VCC=Vr=5V,V(Io)=5V,V(II)=0V
VS3 VCC=Vr=5V,V(Io)=0V,V(II)=5V
Iref VCC=5V,Vr=5V
Isense VCC=5V,VS=0V
tb VCC=5V,Ct=3300pF
TTSD
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
Ratings
30
1.2
0～6
0～VCC
3
150
-40～150
min. typ.
1.2
0.7
2.7
GND
2.7
GND
0.475
0.322
0.153
15
50
-3
-75
0.5
0.35
0.17
500
-1
1.55
150
MTD Series
(Unit : mm)
Unit
V
A
V
V
W
℃
℃
max.
1.4
1.0
10
10
25
65
Vcc
0.6
10
-20
Vcc
0.6
10
-100
0.525
0.378
0.187
650
-10
Unit
V
V
μA
μA
mA
mA
V
V
μA
μA
V
V
μA
μA
V
V
V
μA
μA
μs
℃
Stepping Motor Driver ICs
● Equivalent Circuit・Basic Application Circuit
MTD2003F
●Pin Assignment
●True Table
IN 1 or 4 IN 2 or 3
LL
LH
HL
HH
Out 1 or 4
OFF
L
H
OFF
Out 2 or 3
OFF
H
L
OFF
●True Table for Current Chopping Level
Io
I1
Current Level（％）
Vref（V）
（Vr=5V）
L L 100 0.5±5％
HL
70 0.35±8％
LH
33 0.17±10％
HH
0
●Setting of Output Current and Chopping Frequency
Fig.1 shows constant current chopping wave form.
○Output Current setting
Io(100%) =
Vr
10・Rs
-
0.015
○Chopping Frequency Setting
f
=
1
0.72・Ct・Rt
●Recommended Parts Value
Symbol
Recommended Value
Rs 0.68
Rt 18
Ct 3300
Vr Vcc
Unit
Ω
kΩ
pF
V
Fig.1 Constant current wave form (Motor current / phase)
●Recommended Operating Conditions （Ta=25℃）
Item
Symbol
min.
typ.
max.
Unit
Motor Supply Voltage
Vmm
27 V
Output Current
Io 0.8 A
Logic Supply Voltage
Vcc 4.75
5.25 V
Chopping Frequency
fchop
20
kHz
Operating Temperature
Top -25
120 ℃
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
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MTD2003F driver
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