LS6505(2002) Просмотр технического описания (PDF) - LSI Corporation
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LS6505 Datasheet PDF : 4 Pages
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TABLE 1
OUTPUT DURATION TIMER AS A FUNCTION OF TIMER
CONTROL INPUT VOLTAGE
(f = Frequency at AC input)
INPUT VOLTAGE
0
1/16 VDD
2/16 VDD
3/16VDD
4/16 VDD
5/16 VDD
6/16 VDD
7/16 VDD
8/16 VDD
9/16 VDD
10/16 VDD
11/16VDD
12/16 VDD
13/16 VDD
14/16 VDD
15/16 VDD
f = 50Hz
18
36
54
72
2.4
3.6
4.8
6
7.2
8.4
9.6
10.8
12
14.4
16.8
18
f = 60Hz
15
30
45
60
2
3
4
5
6
7
8
9
10
12
14
15
UNIT
sec
sec
sec
sec
min
min
min
min
min
min
min
min
min
min
min
min
TABLE 2
DEAD TIME DURATION AS A FUNCTION OF THE
STATE OF DEAD TIME SELECT INPUT
(f = Frequency at AC input)
INPUT STATE
0
OPEN
1
f = 50Hz
0
1.2
2.4
f = 60Hz
0
1
2
UNIT
sec
sec
sec
The information included herein is believed to be
accurate and reliable. However, LSI Computer Systems,
Inc. assumes no responsibilities for inaccuracies, nor for
any infringements of patent rights of others which may
result from its use.
DIFF AMP 2
OUTPUT
3
DIFF AMP 2
INPUT (-)
2
DIFF AMP 1
OUTPUT
1
DIFF AMP 1
INPUT (-)
16
DIFF AMP 1
INPUT (+)
15
-
AMP
+
+V
TIMER
CONTROL 13
INPUT
A/D
CONVERTER
OPERATION SELECT
INPUT
11
MODE SELECT INPUT 4
DEAD TIME
SELECT INPUT 12
FIGURE 2. LS6505 BLOCK DIAGRAM
WINDOW
COMPARATOR
-
AMP
+
-
COMP
+
-
COMP
+
OUTPUT
DURATION
TIMER
(+V)
(-V)
8 VDD
6 VSS
DIGITAL
FILTER
1 SECOND
PULSE GEN
PULSE
SELECT
LOGIC
CONTROL
LOGIC
OUTPUT
BUFFER
9 LED OUTPUT
10
PULSE MODE
SELECT INPUT
7 TRIAC OUTPUT
ZERO CROSS-OVER
DETECT
5 AC INPUT
14 WARNING OUTPUT
DEAD
TIME
TIMER
6505-110102-3
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