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U2010B Datasheet

Phase Control Circuit for Current Feedback

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Phase Control Circuit for Current Feedback
U2010B
Description
The U2010B is designed as a phase-control circuit in
bipolar technology. It enables load-current detection and
has a soft-start function as well as reference voltage
output. Motor control with load-current feedback and
overload protection are preferred applications.
Features
D Full wave current sensing
D Mains supply variation compensated
D Programmable load-current limitation
with over- and high-load output
D Variable soft-start
D Voltage and current synchronization
D Automatic retriggering switchable
D Triggering pulse typical 125 mA
Package: DIP16, SO16
D Internal supply voltage monitoring
vD Current requirement 3 mA
D Temperature compensated reference voltage
Applications
D Advanced motor control
D Grinder
D Drilling machine
Block Diagram
96 11646
15
Limiting
detector
Voltage
detector
14 13
Overload
Mains voltage
compensation
12
High load
11
Supply 10
voltage GND
Automatic
retriggering
Current
detector
16
Pulse
output
1
Load
current
detector
Phase
control unit
ö = f (V4)
Output
12
Full wave
rectifier
Level
shift
100% 70% amaxA
B9
Programmable Auto–
+ overload start
protection
C
Imax
Voltage
monitoring
Soft Reference
start voltage
2 3 45
67
8
Figure 1. Block diagram
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
1 (12)
TEMIC Semiconductors
TEMIC Semiconductors



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