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參數(shù)資料
| 型號： | NTE1885 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Quadruple Operational Amplifier 14-SOIC 0 to 70 |
| 中文描述： | 集成電路模塊，4相步進(jìn)電機(jī)驅(qū)動器，1.75A |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 30K |
| 代理商： | NTE1885 |
NTE1885
Integrated Circuit
Module, 4 Phase Stepping Motor Driver, 1.75A
Features:
Low heat generation due to constant current chopper system.
Functions of pause action and power down.
Able to be used in any stepping motor of hybrid typ, P.M. type, V.R. type.
Inverter buffer provides direct drive, for 4 phase dual excitation.
Built in sensing power resistors for load current.
Protection elements for fly–back voltage are included.
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage, V
CC
(Quiescent)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phase Peak Current, I
OH
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Case Temperature, T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature, T
j
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions:
(T
A
= +25
°
C Unless othrwise specified)
Supply Voltage Range, V
CC
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phase Peak Current, I
OH
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Characteristics:
(T
A
= +25
°
C, V
CC
1 = 36V, V
CC
2 = 5V Unless otherwise specified)
Parameter
Symbol
Test Conditions
50V
2.1A
+105
°
C
+150
°
C
–40
°
to +125
°
C
22V to 45V
1.5A
Min
Typ Max
Unit
Diode Forward Voltage
V
df–1
V
df–2
V
sat–1
I
f
= 0.3A
I
f
= 0.5A
R
L
= 12
, V
in
= GND,
V
CC
1 = 22V
R
L
= 21
, V
in
= GND,
V
CC
1 = 36V
–
1.5
1.8
V
–
1.2
1.6
V
Output Saturation Voltage
–
1.2
1.6
V
V
sat–2
–
2.3
3.0
V
Output Current
I
O–1
f
θ
j–c
0.98 1.05 1.12
A
OSC Frequency
24 (Fixed OSC)
kHz
°
C/W
Thermal Resistance
(Note 1)
TR1, TR6
TR2, TR3, TR4, TR5
–
–
8.0
13.5
–
–
Note 1. From Junction of each transistor or diode to substrate
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