Nisshinbo NJW4203 SSFM Oscillator ICs

Nisshinbo Micro Devices NJW4203 Spread Spectrum Modulation (SSFM) Oscillator ICs provide an external synchronization clock for switching regulators.
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July 17, 2026
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Courtesy of Mouser Electronics, Inc.
Nisshinbo NJW4203 SSFM Oscillator ICs

The outputs of the NJW4203 generate anti-phase clocks shifted by 0° and 180°, helping reduce ripple current while supporting EMI reduction via spread-spectrum frequency modulation.

The Nisshinbo NJW4203 spreads the output clock frequency at ±4.4% of the center frequency and allows designers to select modulation rates of fCLK/2048, fCLK/512, or fCLK/128. 

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