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KA3502 - PC SMPS Supervisory IC

General Description

The KA3502 is complete housekeeping circuitry for use in the secondary side of SMPS(Switched Mode Power Supply).

It contains various functions, which are two Precision Voltage References, Over Voltage/Current Protection, Remote On/Off Control, Power Good Signal Generator, Disable Logic and etc.

Key Features

  • Complete Housekeeping Circuit Few External Components Over Voltage Protection for 3.3V/5V/12V/Adj. Output Over Current Protection for 3.3V/5V/12V Output Open-Collector Output and Remote On/Off Function Remote On/Off Delay Time Control Precision Voltage Reference for Outputs, 5V/12V Uncommitment Precision Voltage Reference for +5Vs Power Good Signal Generator with Hysteresis Disable Logic of 3.3V,.

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Other Datasheets by Fairchild (now onsemi)

Part Number Description
KA350 3-Terminal 3A Positive Adjustable Voltage Regulator
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.fairchildsemi.com KA3502 PC SMPS Supervisory IC Features • • • • • • • • • • Complete Housekeeping Circuit Few External Components Over Voltage Protection for 3.3V/5V/12V/Adj. Output Over Current Protection for 3.3V/5V/12V Output Open-Collector Output and Remote On/Off Function Remote On/Off Delay Time Control Precision Voltage Reference for Outputs, 5V/12V Uncommitment Precision Voltage Reference for +5Vs Power Good Signal Generator with Hysteresis Disable Logic of 3.3V, 5V, 12V for Complete Shutdown Descriptions The KA3502 is complete housekeeping circuitry for use in the secondary side of SMPS(Switched Mode Power Supply).