LTC1045 Linear Technology, LTC1045 Datasheet - Page 20
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LTC1045
Manufacturer Part Number
LTC1045
Description
Programmable Micropower Hex Translator/ Receiver/Driver
Manufacturer
Linear Technology
Datasheet
1.LTC1045.pdf
(20 pages)
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LTC1045
RELATED PARTS
PART NUMBER
LT1016
LT1039
LTC1440/LTC1441/LTC1442
20
TYPICAL
CLOCK
STEP
A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900
FAX: (408) 434-0507 TELEX: 499-3977 www.linear-tech.com
C
MOTOR PHASE
TTL STEPPER
APPLICATION
R
20k
P
SIGNALS
5V
51k
0.1 F
1.4V
DESCRIPTION
Ultrafast Precision Comparator
Triple RS232 Driver/Receiver with Shutdown
Ultralow Power, Single/Dual Comparator with Reference
1
1
2
2
Power MOSFET Driver Low Power Consumption Stepper Motor Driver
10
1
2
3
4
5
6
7
8
9
V
IN1
IN2
IN3
IN4
IN5
IN6
V
V
V
OH
TRIP2
TRIP1
–
U
LTC1045
0.2V
+
+
+
+
+
+
–
–
–
–
–
–
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
I
V
DIS
SET
OL
V
+
20
19
18
17
16
15
14
13
12
11
+V
M
1k
A
B
**
t
ON
t
HOLD
4-PHASE BIFILAR
STEPPER MOTOR
BUZ71A
COMMENTS
10ns Propagation Delay
2.8 A Supply Current
12V Supply, No Supply Current in Shutdown
*
FULL STEP DRIVER (5V V
t
RpC = L/R L IS WINDING INDUCTANCE
R = R
I
*VARISTOR GE V24ZA50
**FOR V
ON
HOLD
WITH LTC1045 OUTPUTS
**
**
B
WINDING
3R
V
M
P
M
C
BUZ171
BUZ71A
/R
10V ADD 470 IN SERIES
H
+ R
1045fb LT/TP 1097 REV B 4K • PRINTED IN USA
DS(ON)
LINEAR TECHNOLOGY CORPORATION 1988
**
P + R
M
DS(ON)
BUZ71A
15V)
R
H
N
*
**
MOTOR GND
BUZ71A
1045 TA17