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| 型號： | UC3770BN |
| 英文描述： | Low voltage CMOS 16-bit bus buffer (3-state inverter) with 3.6 V tolerant inputs and outputs |
| 中文描述： | 步進電機控制器/驅(qū)動器 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 88K |
| 代理商： | UC3770BN |
2
CONNECTION DIAGRAMS
UC3770A
UC3770B
UC3770A
TYP
UC3770B
TYP
PARAMETER
TEST CONDITIONS
MIN
10
4.75
MAX
45
5.3
25
28
40
MIN
10
4.75
MAX
45
5.3
25
28
40
UNITS
V
V
mA
mA
mA
°
C
V
μ
A
μ
A
μ
A
mV
mV
mV
μ
A
ms
Supply Voltage V
M
(Pins 3, 14)
Logic Supply Voltage V
CC
(Pin 6)
Logic Supply Current I
CC
(Pin 6)
5
5
I
O
= I
1
= H, I
M
= 0
I
O
= I
1
= L, I
M
= 0
I
O
= I
1
= H, I
M
= 1.3A
15
18
33
+170
15
18
33
Thermal Shutdown Temperature
Logic Threshold (Pins 7, 8, 9)
Input Current Low (Pin 8)
Input Current Low (Pins 7, 9)
Input Current High (Pins 7, 8, 9)
Comparator Threshold (Pin 10)
+170
0.8
2.0
-100
-400
10
430
265
90
±
20
35
0.8
2.0
-100
-400
10
430
315
225
±
20
35
V
I
= 0.4V
V
I
= 0.4V
V
I
= 2.4V
V
R
= 5V, I
0
= L, I
1
= L
V
R
= 5V, I
0
= H, I
1
= L
V
R
= 5V, I
0
= L, I
1
= H
400
240
70
415
255
80
400
290
195
415
300
210
Comparator Input Current (Pin 10)
Off Time
R
T
= 56k, C
T
= 820pF
25
30
25
30
PACKAGE PIN FUNCTION
FUNCTION
Gnd
V
M
N/C
A
OUT
N/C
Emitters
Gnd
B
OUT
Timing
V
M
Gnd
V
CC
I
1
Phase
I
0
N/C
Current
V
R
N/C
Gnd
PIN
1-3
4
5
6
7
8
9
10
11
12
13-17
18
19
20
21
22
23
24
25-27
28
PLCC-28 (Top View)
Q Package
DIL-16 (Top View)
J Or N Package
Logic Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Output Supply Voltage, VMM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V
Logic Input Voltage (Pins 7, 8, 9). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Analog Input Voltage (Pin 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
CC
Reference Input Voltage (Pin 11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Logic Input Current (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
10mA
Analog Input Current (Pins 10, 11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
10mA
Output Current (Pins 1, 15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
2A
Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150
°
C
ABSOLUTE MAXIMUM RATINGS
Note 1: All voltages are with respect to Gnd (DIL Pins 4, 5, 12, 13); all currents
are positive into, negative out of the specified terminal.
Note 2: Consult Unitrode Integrated Circuits databook for thermal limitations and
considerations of packages.
ELECTRICAL CHARACTERISTICS:
(All tests apply with V
M
= 36V, V
CC
= 5V, V
R
= 5V, No Load, and 0
°
C<T
A
<70
°
C, unless
otherwise stated, T
A
= T
J
.)
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