DN-54 Innovative Buck Regulator Uses High Side N-Channel Switch Without Complex

Texas Instruments

Published Date: 09/05/1999

Description

This application note shows how the innovative UCC3803 BiCMOS PWM controller provides very high efficiency without complex gate drives by using a high-side N-channel switch. It converts +5 VDC to +3.3 VDC (or others) and draws only 40 microamps in standby mode.

Parts

Part Number Name Companion Part
5962-9451301MPA 5962-9451301MPA Buy Datasheet
5962-9451304MPA 5962-9451304MPA Buy Datasheet
UCC1800J UCC1800J Buy Datasheet
UCC1800J883B UCC1800J883B Buy Datasheet
UCC1800L883B UCC1800L883B Buy Datasheet
UCC1801J UCC1801J Buy Datasheet
UCC1801J883B UCC1801J883B Buy Datasheet
UCC1802J UCC1802J Buy Datasheet
UCC1802J883B UCC1802J883B Buy Datasheet
UCC1803J UCC1803J Buy Datasheet