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參數(shù)資料
| 型號： | ELM413 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LED controller and a circuit startup timer in an 8 pin package |
| 中文描述： | LED控制器和定時器電路啟動的8引腳封裝 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 25K |
| 代理商： | ELM413 |
ELM413
LED Driver
< http://www.elmelectronics.com/ >The ELM413 is both an LED controller and a
circuit startup timer in an 8 pin package. The high
current capabilities of its outputs allow most LEDs to
be directly driven, usually only requiring a single
current limiting resistor.
The circuit startup, or warmup feature is useful
for allowing a stabilizing time period to pass before
enabling other circuits. This type of function is often
used in audio amplifier circuits where it is desirable
to block the speaker outputs until the amplifier
stages have stabilized. This can eliminate the
annoying ‘pop’ occasionally heard from audio
amplifiers.
The duration of the warmup period is selected
by logic levels on two input pins, providing four
discrete time intervals. All circuit timing is derived
from internal circuitry, and no additional timing
components are required for circuit operation.
Description
Pilot ‘lamp’ circuits
Sequentially enabled systems
Delay on operate circuits
Audio amplifier power managers
Monostable (one-shot) circuits
Applications
Block Diagram
1 of 4
Low power CMOS design - typically 1mA at 5V
Operates over a supply range of 3.0 to 5.5 volts
Schmitt trigger controlled operation
Requires no external timing components
Warmup periods from 0.1 to 5 seconds
Auxiliary output active after warmup period
High current drive outputs - up to 25 mA
Features
ELM413DSA
Connection Diagram
PDIP and SOIC
(top view)
V
DD
V
SS
1
2
3
4
8
7
6
5
AuxOut
Trigger
W1
W0
Red
Green
W1
W0
Period
L
H
0.5 sec
0.1 sec
5 sec
1 sec
H
H
H
L
L
L
Warmup Period
4
5
Trigger
2
Flasher
7
3
Control
and
Timing
6
Red
W0
W1
Green
AuxOut
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