IC 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP8, DIP-8, Switching Regulator or Controller
Conv DC-DC 4V to 60V Step Down Single-Out 1.23V to 57V 0.5A 8-Pin PDIP Tube
TEXAS INSTRUMENTS - LM2574HVM-ADJ/NOPB - SWITCHING REG, 4~60V, 500MA, 14SOIC
IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Switching Regulator or Controller