12/26/2002 Charge Pumps Voltage regulation step-up charge pump DC-DC converter; "S-8821 series" Tweet “S-8821 series” = a PFM control charge pump DC-DC converter in super-small package Please refer to sii-ic.com The content of this news release is based on the information as of the release date. Please note that the content may not be always up-to-date.