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Exar unveils EMI/EMC compliant step-down regulator

06 Jun 2013  | Carolyn Mathas

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XRP6670

Exar Corporation recently unveiled its latest low-voltage step down regulator. The XRP6670 boasts a programmable operating frequency for increased flexibility in optimising component values, size and performance for management of EMI compliance and EMC compatibility.

With a range of 2.6V to 5.5V input voltage, the device supplies up to 3Amps of continuous current with an adjustable output voltage as low as 0.8V. The PWM voltage regulator accommodates a broad range of inductor and output capacitor values through a constant 300kHZ to 2.5MHz programmable operating frequency. The adjustable range allows the user to optimise size, transient response and efficiency while positioning the fundamental operating frequency and subsequent harmonics.




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