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UC3525A - SMPS Controller

General Description

UC3525A is a monolithic integrated circuit that Included all of the control circuit necessary for a pulse width modulating regulator.

There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, under-voltage lockout, soft start circuit, and output drivers in the chip.

Key Features

  • 5V ± 1% Reference Oscillator Sync terminal Internal Soft Start Deadtime Control Under-Voltage Lockout.

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Other Datasheets by Fairchild (now onsemi)

Part Number Description
UC3842A SMPS Controller
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UC3844 SMPS Controller
UC3844D SMPS Controller

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 UC3525A SMPS Controller Features • • • • • 5V ± 1% Reference Oscillator Sync terminal Internal Soft Start Deadtime Control Under-Voltage Lockout Description UC3525A is a monolithic integrated circuit that Included all of the control circuit necessary for a pulse width modulating regulator. There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, under-voltage lockout, soft start circuit, and output drivers in the chip. 16-DIP 1 Internal Block Diagram Rev. 5.