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參數(shù)資料
| 型號(hào)： | MC3479 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Stepper Motor Driver(步進(jìn)電機(jī)驅(qū)動(dòng)器) |
| 中文描述： | 步進(jìn)電機(jī)驅(qū)動(dòng)器（步進(jìn)電機(jī)驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 182K |
| 代理商： | MC3479 |
MC3479
http://onsemi.com
3
DC ELECTRICAL CHARACTERISTICS
(Specifications apply over the recommended supply voltage and temperature range,
(Notes 2, 3) unless otherwise noted.)
Characteristic
Pins
Symbol
Min
Typ
Max
Unit
INPUT LOGIC LEVELS
Threshold Voltage (Low
to
High)
7, 8,
9, 10
V
TLH
2.0
Vdc
Threshold Voltage (High
to
Low)
V
THL
0.8
Vdc
Hysteresis
V
HYS
0.4
Vdc
Current: (V
I
= 0.4 V)
(V
I
= 5.5 V)
(V
I
= 2.7 V)
I
IL
100
+100
+20
A
DRIVER OUTPUT LEVELS
Output High Voltage (I
BS
=
300 A)
I
OD
=
350 mA
I
OD
=
0.1 mA
2, 3,
14, 15
V
OHD
V
M
2.0
V
M
1.2
Vdc
Output Low Voltage (I
BS
=
300 A, I
OD
= 350 mA)
V
OLD
0.8
Vdc
Differential Mode Output Voltage Difference (Note 4)
(I
BS
=
300 A, I
OD
= 350 mA)
14, 15
DV
OD
CV
OD
0.15
0.15
Vdc
Output Leakage, Hi Z State
(0
V
OD
V
M
, I
BS
=
5.0 A)
(0
V
OD
V
M
, I
BS
=
300 A, F/H = 2.0 V, OIC = 0.8 V)
14, 15
I
OZ1
I
OZ2
100
100
+100
+100
A
CLAMP DIODES
Forward Voltage
(I
D
= 350 mA)
1, 2, 3,
14, 15
V
DF
2.5
3.0
Vdc
Leakage Current (Per Diode)
(Pin 1 = 21 V; Outputs = 0 V; I
BS
= 0 A)
I
DR
100
A
PHASE A OUTPUT
Output Low Voltage
(I
OA
= 8.0 mA)
11
V
OLA
0.4
Vdc
Off State Leakage Current
(V
OHA
= 16.5 V)
I
OHA
100
A
POWER SUPPLY
Power Supply Current
(I
OD
= 0 A, I
BS
=
300 A)
(L1 = V
OHD
, L2 = V
OLD
, L3 = V
OHD
, L4 = V
OLD
)
(L1 = V
OHD
, L2 = V
OLD
, L3 = Hi Z, L4 = Hi Z)
(L1 = V
OHD
, L2 = V
OLD
, L3 = V
OHD
, L4 = V
OHD
)
16
I
MW
I
MZ
I
MN
70
40
75
mA
BIAS/SET CURRENT
To Set Phase A
6
I
BS
5.0
A
2. Algebraic convention rather than absolute values is used to designate limit values.
3. Current into a pin is designated as positive. Current out of a pin is designated as negative.
4. DV
OD
=
V
OD1,2
V
OD3,4
where:V
OD1,2
= (V
OHD1
V
OLD2
) or (V
OHD2
V
OLD1
), and V
OD3,4
= (V
OHD3
V
OLD4
) or (V
OHD4
V
OLD3
).
5. CV
OD
=
V
OHD1
V
OHD2
or
V
OHD3
V
OHD4
PACKAGE THERMAL CHARACTERISTICS
Characteristic
Symbol
Min
Typ
Max
Unit
Thermal Resistance, Junction
to
Ambient (No Heatsink)
R
JA
45
°
C/W
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