器件名称: U2010B
功能描述: Phase Control Circuit for Current Feedback
文件大小: 202.78KB 共12页
简 介:U2010B
Phase Control Circuit for Current Feedback
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 Internal supply voltage monitoring D Current requirement 3 mA D Temperature compensated reference voltage
v
D Variable soft-start D Voltage and current synchronization D Automatic retriggering switchable D Triggering pulse typical 125 mA
Package: DIP16, SO16
Applications
D Advanced motor control D Grinder D Drilling machine
Block Diagram
96 11646
15 Limiting detector Voltage detector
14 Overload Mains voltage compensation
13
12
11 Supply voltage 10
GND
High load
Automatic retriggering Output Current detector 16 Pulse output 1 Load current detector
100%
70%
amax
A 9
Phase control unit = f (V4)
–
1
2
+
Full wave rectifier
B Programmable Auto– start overload protection C Imax
Voltage monitoring Level shift
Soft start 4 5 Figure 1. Block diagram 6 7
Reference voltage 8
2
3
TELEFUNKEN Semiconductors Rev. A1, 28-May-96
1 (12)
Mains Supply
U2010B
General Description
The U2010B contains voltage limiting and can be connected with the mains supply via D1 and R1. Supply voltage betwe……
