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UC3770BN датащи(PDF) 2 Page - Texas Instruments

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номер детали UC3770BN
подробное описание детали  High Performance Stepper Motor Drive Circuit
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UC3770BN датащи(HTML) 2 Page - Texas Instruments

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CONNECTION DIAGRAMS
UC3770A
UC3770B
UC3770A
UC3770B
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Supply Voltage VM (Pins 3, 14)
10
45
10
45
V
Logic Supply Voltage VCC (Pin 6)
4.75
5
5.3
4.75
5
5.3
V
Logic Supply Current ICC (Pin 6)
IO = I1 = H, IM = 0
15
25
15
25
mA
IO = I1 = L, IM = 0
18
28
18
28
mA
IO = I1 = H, IM = 1.3A
33
40
33
40
mA
Thermal Shutdown Temperature
+170
+170
°C
Logic Threshold (Pins 7, 8, 9)
0.8
2.0
0.8
2.0
V
Input Current Low (Pin 8)
VI = 0.4V
-100
-100
µA
Input Current Low (Pins 7, 9)
VI = 0.4V
-400
-400
µA
Input Current High (Pins 7, 8, 9)
VI = 2.4V
10
10
µA
Comparator Threshold (Pin 10)
VR = 5V, I0 = L, I1 = L
400
415
430
400
415
430
mV
VR = 5V, I0 = H, I1 = L
240
255
265
290
300
315
mV
VR = 5V, I0 = L, I1 = H
70
80
90
195
210
225
mV
Comparator Input Current (Pin 10)
±20
±20
µA
Off Time
RT = 56k, CT = 820pF
25
30
35
25
30
35
ms
PACKAGE PIN FUNCTION
FUNCTION
PIN
Gnd
1-3
VM
4
N/C
5
AOUT
6
N/C
7
Emitters
8
Gnd
9
BOUT
10
Timing
11
VM
12
Gnd
13-17
VCC
18
I1
19
Phase
20
I0
21
N/C
22
Current
23
VR
24
N/C
25-27
Gnd
28
PLCC-28 (Top View)
Q Package
DIL-16 (Top View)
J Or N Package
Logic Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Output Supply Voltage, VMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V
Logic Input Voltage (Pins 7, 8, 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Analog Input Voltage (Pin 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC
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, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +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 VM = 36V, VCC = 5V, VR = 5V, No Load, and 0
°C<TA<70°C, unless
otherwise stated, TA =TJ.)


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