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| 型號(hào)： | U208 |
| 英文描述： | Open Loop Phase Control Circuit |
| 中文描述： | 開(kāi)環(huán)相位控制電路 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大小： | 85K |
| 代理商： | U208 |
U208B
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
3 (7)
General Hints and Explanation of Terms
To ensure safe and trouble–free operation, the following
points should be taken into consideration when circuits
are being constructed or in the design of printed circuit
boards.
The connecting lines from C
2
to Pin 5 and Pin 1 should
be as short as possible, and the connection to Pin 1
should not carry any additional high current such as
e.g. the load current.
When selecting C
2
, a low temperature coefficient is
desirable.
95 10716
V
V
GT
V
L
I
L
/2
3/2
2
t
p
t
pp
= 4.5 t
p
Mains
Supply
Trigger
Pulse
Load
Voltage
Load
Current
Figure 3. Explanation of terms in phase relationship
Absolute Maximum Ratings
Reference point Pin 1, unless otherwise specified
Parameters
Symbol
–I
S
–i
s
I
syncI
I
syncV
Value
30
100
5
5
35
35
Unit
mA
Current requirement
Pin 2
t
≤
10 s
Synchronisation current
Pin 8
Pin 7
Pin 8
Pin 7
t < 10 s
t < 10 s
i
I
i
V
mA
Phase control
Input voltage
Input current
Pin 6
Pin 6
Pin 4
–V
I
I
I
I
I
0 to 7
500
1
V
A
mA
Power dissipation
T
amb
= 45
°
C
T
amb
= 80
°
C
Storage temperature range
Junction temperature
Ambient temperature range
P
tot
530
300
mW
T
stg
T
j
T
amb
–40 to +125
125
–10 to +100
°
C
°
C
°
C
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