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U208 の電気的特性と機能

U208のメーカーはTEMIC Semiconductorsです、この部品の機能は「Open Loop Phase Control Circuit」です。


製品の詳細 ( Datasheet PDF )

部品番号 U208
部品説明 Open Loop Phase Control Circuit
メーカ TEMIC Semiconductors
ロゴ TEMIC Semiconductors ロゴ 




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U208 Datasheet, U208 PDF,ピン配置, 機能
Open Loop Phase Control Circuit
U208B
Description
The integrated circuit, U208B, is designed as a phase con-
trol circuit in bipolar technology with internal
supply-voltage monitoring. As the voltage is built up, un-
controlled output pulses are avoided by internal
monitoring. Furthermore, it has internal-current and volt-
age synchronisation. It is recommended as a low cost
open-loop control.
Features
D Automatic retriggering
D Triggering pulse typ. 125 mA
D Voltage and current synchronisation
D Internal supply voltage monitoring
D Current requirement 2.5 mA
Package: DIP8
Block Diagram
R3
220 kW/
0.5 W
7
R4
470 kW/
0.5 W
8
Voltage Current
detector detector
Automatic
retriggering
BYT77
18 kW/
2W
D1
M
R1
L
95 11224
Output
pulse
3
R7
180 W
TIC
236N
VM =
230 V ~
R2
180 kW
R6
18 kW
100 kW
R5
120 kW
4
6
Phase
control unit
ö = f (V6)
Supply
voltage
limitation
Voltage
monitoring
10 nF
5
C2
2
–VS
1
C1
GND
22 mF/
25 V
N
Figure 1. Block diagram for simple phase control system
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
1 (7)

1 Page





U208 pdf, ピン配列
U208B
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.
V
Mains
Supply
95 10716
p/2 p 3/2p 2p
D The connecting lines from C2 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.
D When selecting C2, a low temperature coefficient is
desirable.
VGT
Trigger
Pulse
VL
tp
tpp = 4.5 tp
Load
Voltage
IL
Load
Current
ö
F
Figure 3. Explanation of terms in phase relationship
Absolute Maximum Ratings
Reference point Pin 1, unless otherwise specified
Parameters
Current requirement
t 10 ms
Synchronisation current
t
t
<
<
10
10
mmss
Pin 2
Pin 8
Pin 7
Pin 8
Pin 7
Phase control
Input voltage
Input current
Pin 6
Pin 6
Pin 4
Power dissipation
Tamb = 45°C
Tamb = 80°C
Storage temperature range
Junction temperature
Ambient temperature range
Symbol
–IS
–is
IsyncI
IsyncV
"iI
"iV
"–VI
II
II
Ptot
Tstg
Tj
Tamb
Value
30
100
5
5
35
35
0 to 7
500
1
530
300
–40 to +125
125
–10 to +100
Unit
mA
mA
mVA
mA
mW
°C
°C
°C
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
3 (7)


3Pages


U208 電子部品, 半導体
U208B
Application
L
230 V~
N
1N4004 D1
R5 R15
R3
M 220 kW
R1
18 kW/
47 kW 100 kW
C2
3.3 nF/
1.5 W
R4
1 mF/ C3
25 V
63 V
470 kW
8765
R6
150 kW
U208B
TIC
236N
1234
22 mF/
25 V
C1
R2
470 kW
Dimensions in mm
Package: DIP8
Figure 9. Phase control (power control) for electric tools
95 11225
6 (7)
94 8873
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96

6 Page



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