Table 1: Comparisons of dc-dc boost converters.

[4][6]Proposed

Control techniquePWM/PFMPWMPFM
Load current range1 mA–600 mA10 mA–150 mA1 mA–420 mA
Power conversion efficiency60%–92%81%–95.5%74.9%–90.74%
External compensated circuitYesYesNo
Chip areaLargeLargeSmall