Features: ` Full wave current sensing` Mains supply variation compensated` Variable soft-start or load-current sensing` Voltage and current synchronization` Automatic retriggering switchable` Triggering pulse typ. 125 mA` Internal supply-voltage monitoring` Current requirement 3 mAApplication· Lo...
U2008B: Features: ` Full wave current sensing` Mains supply variation compensated` Variable soft-start or load-current sensing` Voltage and current synchronization` Automatic retriggering switchable` Trigge...
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Parameters |
Symbol |
Value |
Unit |
Current limitation Pin 5 t 10s |
IS |
30 |
mA |
iS |
100 |
mA | |
Sync. currents Pin 7 t 10s |
±IsyncV |
5 |
mA |
±isyncV |
20 |
mA | |
Phase control Pin 3 | |||
Control voltage |
VI |
VS to 0 |
V |
Input current |
±II |
500 |
A |
Charge current Pin 6 |
I jmax |
0.5 |
mA |
Load current monitoring / Soft start, Pin 1 | |||
Input current |
II |
1 |
mA |
Input voltage |
VI |
40 to +125 |
V |
Pulse output | |||
Input voltage Pin 8 |
+VI |
2 |
V |
-VI |
VS |
V | |
Storage temperature range |
Tstg |
40 to +125 |
|
Ambient temperature range |
Tamb |
-10 to +125 |
The U2008B is designed as one kind of phase-control circuit in bipolar technology.It enables load-current detection as well as mains-compensated phase control. Motor control with load-current feedback and overload protection are preferred applications.
Features of the U2008B are very important:(1)current requirement </=3 mA;(2)internal supply-voltage monitoring;(3)full wave current sensing;(4)mains supply variation compensated;(5)variable soft-start or load-current sensing;(6)voltage and current synchronization;(7)automatic retriggering switchable;(8)triggering pulse typ. 125 mA.Also it can be used in low-cost motor control and domestic appliance.
The absolute maximum ratings of the U2008B can be summarized as:(1)control voltage:Vs to 0 V;(2)input current:500 uA;(3)charge current:0.5 mA;(4)input current:1 mA;(5)input voltage:-40 to + 125 V;(6)input voltage(+VI):2 V;(7)storage temperature range:40 to +125;(8)junction temperature range:-10 to +125;(9)supply-voltage limitation(-IS=3.5 mA):14.5 to 16.5 V;(10)supply-voltage limitation(-IS=30 mA):14.6 to 16.8 V.If you want to know more information such as the electrical characteristics about the U2008B,please download the datasheet in www.seekic.com .