LS7560N Просмотр технического описания (PDF) - LSI Corporation
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LS7560N Datasheet PDF : 8 Pages
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VR VR VR
SEQUENCE
SELECT In
1
VR
26
SENSOR
Inputs 25
24
F/R 27
ENABLE
In
2
DECODER
VR
+
VR/2
_
FREQUENCY
TO
PULSE WIDTH
CONVERTER
VR 19
RC In 4
TACHOMETER 5
Out
LOW VR DETECT
ERROR AMP (-) 7
ERROR AMP (+) 6
_
ERROR
AMP
+
ERROR AMP Out 8
_
PWM
GEN.
+
OSCILLATOR 9
FAULT INDICATOR Out
3
PWM CONTROL
In
21
VR
REFERENCE
GENERATOR
VDD
LOW VDD
DETECT
VDD
CONTROL
SWITCH
EDGE TRIGGERED
DELAY
RQ
S
VR
TOP DRIVER
POLARITY SELECT In 20
VDD
SWITCH
CONTROL
VDD
VDD
VDD
17 O1
16 O2 TOP
DRIVER
Outputs
15 O3
VDD
14 O4
VDD
13 O5
VDD
BOTTOM
DRIVER
Outputs
12 O6
VR
22 BRAKE SELECT
VR
23 BRAKE In
+V
28 VDD
-V
18 VSS
10
+
OVERCURRENT
SENSE In
11 - +
_
100mV
7560N-030906-4
SQ
R
FIGURE 2. LS7560N / LS7561N MOTOR CONTROLLER BLOCK DIAGRAM
INTERNAL BOND PAD
NC FOR LS7560N
VDD FOR LS7561N
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