Positive_negative_dual_tracking_power_supply

Published:2009/7/23 22:40:00 Author:Jessie | From:SeekIC

This circuit uses the 4190 as a step-up regulator and the 4391 as an inverter. The supply is capable of delivering +45 mA (15 mA with regulation) until the battery decays below 5.0V. Output voltage ripple is under 100 mVpp at ± 15-V output.



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