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U2350B-FP Datasheet

PWM Speed Control for Permanent Excited DC Motors

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U2350B-FP
PWM Speed Control for Permanent Excited DC Motors
Description
The monolithic integrated bipolar circuit U2350B is a
MOSFET or IGBT - control circuit which works on the
principle of pulse width modulation (PWM). The overall
concept enables the construction of a power controller
with mains voltage compensation where intermittent
operation is also possible. In addition, the circuit also
enables mains-voltage compensated current control,
which maintains the power supplied at a constant level
after the preset threshold has been exceeded.
Features
D Pulse width control up to 30 kHz clock frequency
D Mains supply compensation
D Current regulation
D Temperature monitoring with indicator
D Active operation indicator
D Blink-warn indicator
D Switchable to interval operation
D Push-pull output stage for separate supply
Block Diagram
21
LED control
D Supply voltage monitoring
D Temperature compensated supply voltage limitation
Applications
D Domestic equipment
D Tools
Package: SO16
+VS 16
Voltage limitation
GND
12
4 Temperature
monitoring
Output
control
Push– pull
output
15
14
8
6
7 Oscillator
PWM Control
13
10
9
5
Tristate
Program
logic
Figure 1. Block diagram
Current
limitation
11
95 10873
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
1 (9)
TEMIC Semiconductors
TEMIC Semiconductors



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