參數(shù)資料
型號: LS7541
廠商: LSI Corporation
英文描述: TOUCH CONTROL STEP DIMMER LIGHT SWITCH WITH AUTOMATIC GAIN CONTROL (AGC)
中文描述: 觸摸式控制步進(jìn)調(diào)光器自動增益控制(AGC燈開關(guān))
文件頁數(shù): 3/5頁
文件大?。?/td> 63K
代理商: LS7541
ELECTRICAL CHARACTERISTICS:
( All voltages referenced to Vss. T
A
= +25C unless otherwise specified.)
PARAMETER
SYMBOL
Supply Voltage
V
DD
Supply Current
I
DD
MIN
+4.5
-
TYP
-
-
MAX
+5.5
1.0
UNIT
V
mA
CONDITIONS
-
Output off,
V
DD
= +5.0V
TRIG
Sink Current
Vo = V
DD
- 3V
I
O
-50
-
-
mA
V
DD
= +5.0V
TRIG
Source Current
Vo = V
DD
- 0.2V
I
O
+0.1
-
-
mA
V
DD
= +5.0V
TRIG
Pulse Width
T
W
-
-
-
100
115
-
-
μs
μs
R
C
= 400k
, 60Hz
R
C
= 470k
, 50Hz
TRIG
Pulse Delay
(Medium Brightness)
Td
-
-
4.0
4.8
-
-
ms
ms
Rc = 400k
, 60Hz
Rc = 470k
, 50Hz
CLOCK
Resistor
R
C
-
-
-
400
470
-
-
k
k
60Hz
50Hz
CONTROL
Resistor
Capacitor
-
-
-
-
10
1
-
-
M
μF
-
-
Touch Plate Capacitance C
L
-
-
600
pF
-
FIGURE 3
LS7541 BLOCK DIAGRAM
MODE
SYNC
CLOCK
TOUCH
CONTROL
ZERO-CROSS
DETECTOR
OSCILLATOR
AGC CIRCUIT
COUNTER
STEPPER
DECODER
OUTPUT
DRIVER
TRIG
7
V
SS
V
DD
3
5
4
1
2
6
+V
-V
8
7541-072805-3
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