MIC2224 Datasheet, PDF (11/13 Pages) Micrel Semiconductor – High Efficiency 2MHz PWM Buck Converter with DAC Input and 40mOHM Bypass Switch

Micrel
inductance. Ensure the inductor selected can handle
the maximum operating current. When saturation
current is specified, make sure that there is enough
margin that the peak current will not saturate the
inductor. Peak inductor current can be calculated as
follows:
I_PK
= I_OUT
+
V_{OUT ⎜⎜⎝⎛}1−
V_OUT
V_IN
2×f ×L
⎟⎟⎠⎞
MIC2224
January 2005
11
M9999-012705
www.micrel.com