U2350B

• Pulse width control up to 30 kHz clock frequency 

• Mains supply compensation 

• Current regulation 

• Temperature monitoring with indicator 

• Active operation indicator 

• Blink-warn indicator 

• Switchable to interval operation 

• Push-pull output stage for separate supply 

• Supply voltage monitoring 

• Temperature compensated supply voltage limitation 

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.

Applications 

• Domestic equipment 

• Tools 

Package: SO16

Block Diagram

Pin Description

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Direction：

PWM Speed Control for Permanent Excited DC Motors