Switching type voltage transform integrated circuit

Published:2011/8/23 22:26:00 Author: | Keyword: Switching type, voltage transform, integrated circuit | From:SeekIC

The ADP300OXX is designed as the new micro power consumption type DC/DC converter that is produced by the ANALOG DEVICES company, and it can be used in the carrier communication equipments and the bus power supply equipments. 1.Features The ADP300OXX is the series product, the non-suffix output voltage can be adjusted, the output voltage of the ADP300OXX-3.3 is 3.3V, the output voltage of the ADP300OXX-5 is 5V, the output voltage of the ADP300OXX-l2 is 12V. And this device can be used in the voltage step-up or step-down application. The typical conversion efficiency is 80%, the switching frequency is 400kHz, and it also has the low voltage detection circuit. The internal circuit block diagram of the ADP300OXX series is as shown in the figure. 2.Pin functions and data The ADP300OXX series IC uses the DIP-8 or SOIC-8 package, the pin functions and data are as shown in the table 1. 3.Typical application circuit



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