U208 TEMIC Semiconductors, U208 Datasheet

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U208

Manufacturer Part Number
U208
Description
Open Loop Phase Control Circuit
Manufacturer
TEMIC Semiconductors
Datasheet
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
Open Loop Phase Control Circuit
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
Features
D
D
D
Block Diagram
120 k
100 k
180 k
18 k
Automatic retriggering
Triggering pulse typ. 125 mA
Voltage and current synchronisation
R
R
R
W
W
W
W
5
2
6
220 k
4
6
0.5 W
R
W
detector
Voltage
3
/
7
Current
detector
Figure 1. Block diagram for simple phase control system
8
control unit
ö
R
470 k
0.5 W
4
Phase
= f (V
W
/
6
)
retriggering
Automatic
monitoring. Furthermore, it has internal-current and volt-
age synchronisation. It is recommended as a low cost
open-loop control.
D
D
Package: DIP8
Internal supply voltage monitoring
Current requirement 2.5 mA
monitoring
limitation
Voltage
voltage
Supply
Output
pulse
95 11224
3
5
2
1
C
–V
GND
2
10 nF
S
BYT77
18 k
180
R
2 W
7
C
W
W
1
/
TIC
236N
R
D
22
1
25 V
1
U208B
m
F/
M
230 V ~
V
M
1 (7)
N
=
L

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U208 Summary of contents

Page 1

... Open Loop Phase Control Circuit 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 Features D Automatic retriggering D Triggering pulse typ. 125 mA D Voltage and current synchronisation ...

Page 2

... U208B Description Mains Supply The U208B is fitted with voltage limiting and can there- fore be supplied directly from the mains. The supply voltage between Pin 1 (+ pol/ ) and Pin 2 builds up across D and R and is smoothed series resistance can be approximated using figure –V ...

Page 3

... Pin 7 I syncV " Pin Pin " Pin 6 –V I Pin Pin tot T stg amb U208B 95 10716 3 4 ö F Value Unit 30 mA 100 500 530 ...

Page 4

... U208B Thermal Resistance Parameters Junction ambient DlP8 SO8: on p.c. board SO8: on ceramic Electrical Characteristics – reference point pin 1, unless otherwise specified S amb Parameters Test Conditions / Pins Supply voltage for mains operations Supply voltage limitation – – supply current – ...

Page 5

... V ) Mmax Smin 10315 U208B Mains Supply Figure 6. Pulse Output V = 0.8V GT 1000 200 400 600 800 Figure 7. Mains Supply ...

Page 6

... Dimensions in mm Package: DIP8 6 ( 220 1 U208B 8873 100 k R 3.3 nF 150 470 k 95 11225 TELEFUNKEN Semiconductors Rev. A1, 28-May-96 ...

Page 7

... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 TELEFUNKEN Semiconductors Rev. A1, 28-May-96 unauthorized use. U208B 7 (7) ...

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