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LS7232ND Datasheet(PDF) 3 Page - LSI Computer Systems

No. de pieza LS7232ND
Descripción Electrónicos  TOUCH CONTROL LAMP DIMMER
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Fabricante Electrónico  LSI [LSI Computer Systems]
Página de inicio  http://www.lsicsi.com
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ABSOLUTE MAXIMUM RATINGS:
PARAMETER
SYMBOL
VALUE
UNIT
DC Supply Voltage
VSS
+20
V
Any Input Voltage
VIN
Vss - 20 to Vss + 0.5
V
Operating Temperature
TA
0 to +80
˚C
Storage Temperature
TSTG
-65 to +150
˚C
DC ELECTRICAL CHARACTERISTICS:
(TA = 25˚C, all voltages referenced to VDD)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
CONDITION
Supply Voltage
Vss
+12
+18
V
-
Supply Current
Iss
1.0
1.4
mA
Vss = +15V,
output off
Input Voltages:
SYNC Lo
VIRL
0
Vss - 9.5
V
-
SYNC Hi
VIRH
Vss - 5.5
Vss
V
-
SENS Lo
VIOL
0
Vss - 8
V
-
SENS Hi
VIOH
Vss - 2
Vss
V
-
EXT Lo
VIVL
0
Vss - 8
V
-
EXT Hi
VIVH
Vss - 2
Vss
V
-
Input Current:
SYNC, SENS, EXT Hi
IIH
110
µA
With Series 1.5M
Resistor to AC Line
SYNC, SENS, EXT Lo
IIL
100
nA
-
TRIG Hi Voltage
VOH
Vss
V
-
TRIG Lo Voltage
VOL
Vss - 8
V
Vss = +15V
TRIG Sink Current
IOS
25
mA
Vss = +15V
VOL = Vss - 4V
TIMING CHARACTERISTICS (See Figures 2 and 3):
All timings are based on fs = 60Hz, unless otherwise specified. 50Hz timings are 1.2 times 60Hz timings.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
SYNC Frequency
fs
40
-
70
Hz
SHORT TOUCH
TS1
42
-
333
ms
(ON/OFF Operation)
LONG TOUCH
TS2
342
-
infinite
ms
(Dimming Operation)
TRIG Pulse Width
TW
-
33
-
µs
TRIG Conduction-Angle
Ø
41
-
158
deg
(See Note 1)
Ø Period (Max to Max in
-
-
7.64
-
sec
continuous dimming)
A1B1 = B2A2 duration
-
-
934
-
ms
B1B2 Min. intensity dwell
-
-
500
-
ms
ø
TRIG
SYNC
T W
T W
FIGURE 3. TRIG OUTPUT CONDUCTION ANGLE, Ø
NOTE 1.
In the circuit schematic shown in Figure 5, the SYNC input signal is delayed in phase with respect to the AC Line by about 7°. This
delay reduces the conduction angle, Ø, with respect to the AC Line by 7° from the values shown above.
7232ND-012703-3


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