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參數資料
| 型號： | U208 |
| 英文描述： | Open Loop Phase Control Circuit |
| 中文描述： | 開環(huán)相位控制電路 |
| 文件頁數： | 4/7頁 |
| 文件大?。?/td> | 85K |
| 代理商： | U208 |
U208B
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
4 (7)
Thermal Resistance
Parameters
DlP8
SO8: on p.c. board
SO8: on ceramic
Symbol
Value
120
220
140
Unit
Junction ambient
R
thJA
K/W
Electrical Characteristics
–V
S
= 13.0 V, T
amb
= 25
°
C, reference point pin 1, unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
–V
S
Min.
13.0
Typ.
Max.
V
Limit
Unit
V
Supply voltage for mains
operations
Supply voltage limitation
Pin 2
–I
S
= 3 mA
–I
S
= 30 mA
–V
S
= 13 V
Pin 2
–V
S
14.6
14.7
1.0
16.6
16.8
2.5
V
DC supply current
Voltage monitoring
Turn-on threshold
Turn-off threshold
Phase control currents
Current synchronisation
Voltage synchronisation
Voltage limitation
Pin 2
–I
S
2.2
mA
Pin 2
Pin 2
–V
SON
–V
SOFF
11.2
10.9
13.0
V
V
9.9
Pin 8
Pin 7
Pin 8
Pin 7
I
sync.I
I
sync.V
0.35
0.35
8.0
8.0
3.5
3.5
9.5
9.5
mA
mA
V
I
I
= 5 mA
V
I
V
I
8.9
8.9
Reference ramp
Load current
R -reference voltage
Temperature coefficient
Pulse output
Output pulse current
figure 4
I
S
= f(R
4
)
Pin 5
Pin 4, 2
Pin 4
I
5
1
20
1.18
A
V
V
Ref
TC
V Ref
1.06
1.13
–0.5
mV/K
R
7
= 0, V
GT
= 1.2 V
Pin 3
Pin 3
Pin 5-1
I
o
100
125
150
mA
Reverse current
Output pulse width
Automatic retriggering
Repetition rate
I
or
t
p
0.01
80
3.0
A
s
C
= 10 nF
Pin 3, 5
t
pp
3
4.5
6
t
p
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