參數(shù)資料
型號(hào)： U490B-FP
英文描述： Wide band, low power operational amplifier with standby function
中文描述： 相位控制電路
文件頁(yè)數(shù)： 1/6頁(yè)
文件大?。?/td> 84K
代理商： U490B-FP
U490B
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
1 (6)
One-Shot Phase Control
Description
The monolithic integrated bipolar circuit, U490B, is a
one-shot power control circuit, designed to control the
thyristor which is mainly used in electric stapler devices.
The IC is preferred to realise a one-shot phase control,
where any phase angle and thus any intensity of the load
voltage is adjustable.
After successful triggering and the following delay time,
an ignition pulse at the output is released. A further trig-
gering is only possible after the elapse of the delay time.
Features
Phase controlled thyristor ignition
Triggering with time delay
Repetition time delay
Supply current 2 mA
Mains supply via resistor
Applications
Electric stapler devices
Package:
DIP8, SO8
Trigger
control
Repetition
delay
Start
delay
Sync.
Supply
stage
3
8
4
Phase control
Control
input
Ramp
POR
Output
stage
6
5
2
C
5
R
5
C
6
R
4
220
R
7
C
4
47 nF/
250 V
C
7
D
2
Load
C
2
R
2
V
S
R
1
D
1
R
3
C
3
S
1
L
N
95 10866
220 k
1.5 nF
24 k
2 W
1N4007
47 F/
10 V
230 V
V
mains
GND
150 nF
47 k
68 k
220 k
47 nF
7
150 nF
33
22 nF
C
1
Figure 1. Block diagram with external circuit
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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U4935B 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:SECAM Decoder
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