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參數(shù)資料
| 型號： | MC3479 |
| 廠商： | Motorola, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | STEPPER MOTOR DRIVER |
| 中文描述： | 步進(jìn)電機(jī)驅(qū)動器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 159K |
| 代理商： | MC3479 |
MC3479
3
MOTOROLA ANALOG IC DEVICE DATA
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
CLAMP DIODES
Forward Voltage
(ID = 350 mA)
Leakage Current (Per Diode)
(Pin 1 = 21 V; Outputs = 0 V; IBS = 0
μ
A)
1, 2, 3,
14, 15
VDF
—
2.5
3.0
Vdc
IDR
—
—
100
μ
A
PHASE A OUTPUT
Output Low Voltage
(IOA = 8.0 mA)
Off State Leakage Current
(VOHA = 16.5 V)
11
VOLA
—
—
0.4
Vdc
IOHA
—
—
100
μ
A
POWER SUPPLY
Power Supply Current
(IOD = 0
μ
A, IBS = – 300
μ
A)
(L1 = VOHD, L2 = VOLD, L3 = VOHD, L4 = VOLD)
(L1 = VOHD, L2 = VOLD, L3 = Hi Z, L4 = Hi Z)
(L1 = VOHD, L2 = VOLD, L3 = VOHD, L4 = VOHD)
16
mA
IMW
IMZ
IMN
—
—
—
—
—
—
70
40
75
BIAS/SET CURRENT
To Set Phase A
6
IBS
– 5.0
—
—
μ
A
PACKAGE THERMAL CHARACTERISTICS
Characteristic
Symbol
Min
Typ
Max
Unit
Thermal Resistance, Junction–to–Ambient (No Heatsink)
R
θ
JA
—
45
—
°
C/W
AC SWITCHING CHARACTERISTICS
(TA = + 25
°
C, VM = 12 V) (See Figures 2, 3, 4)
Characteristic
Pins
Symbol
Min
Typ
Max
Unit
Clock Frequency
7
fCK
0
—
50
kHz
Clock Pulse Width (High)
7
PWCKH
PWCKL
PWBS
tsu
10
—
—
μ
s
Clock Pulse Width (Low)
7
10
—
—
μ
s
Bias/Set Pulse Width
6
10
—
—
μ
s
Setup Time (CW/CCW and F/HS)
10–7
9–7
5.0
—
—
μ
s
Hold Time (CW/CCW and F/HS)
10–7
9–7
th
10
—
—
μ
s
Propagation Delay (Clk–to–Driver Output)
tPCD
tPBSD
tPHLA
—
8.0
—
μ
s
Propagation Delay (Bias/Set–to–Driver Output)
—
1.0
—
μ
s
Propagation Delay (Clk–to–Phase A Low)
7–11
—
12
—
μ
s
Propagation Delay (Clk–to–Phase A High)
7–11
tPLHA
—
5.0
—
μ
s
NOTES:
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.
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