Datasheet

LM2578A, LM3578A
www.ti.com SNVS767E –AUGUST 2000–REVISED APRIL 2013
V
in
= 15V R3 = 0.15Ω
V
o
= 5V C1 = 1820 pF
V
ripple
= 10 mV C2 = 220 μF
I
o
= 350 mA C3 = 20 pF
f
osc
= 50 kHz L1 = 470 μH
R1 = 40 kΩ D1 = 1N5818
R2 = 10 kΩ
Figure 28. Buck or Step-Down Regulator
Figure 29. DC/DC Inductance Calculator
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