4 2013-02-13 www.fritzing.org Simple Switcher 75V, 0.5A Step-down switching regulator LM5574 TSSOP-16 LM5574 tssop-16 sparkfun Step-down IC up to 75V 0.5A lm5574 AGND

BST

COMP

FB

IS

OUT

PGND

PRE

RAMP

RT

SD

SS

SW

SYNC

VCC

VIN