S-8365AAABA-M5T1Y2 Datasheet, PDF (19/63 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.2.1_01
S-8365/8366 Series
I_L
I_L max.
I_IN(AV)
I_L min.
t_ON
t = 1 / f_OSC
t_OFF
I_IN(DC)
t
Figure 15 Continuous Mode (Current Cycle of Inductor Current IL)
I_L
I_L max.
I_L min.
t
t_ON
t_OFF
t = 1 / f_OSC
Figure 16 Critical Point (Current Cycle of Inductor Current IL)
I_L
I_L max.
I_L min.
t
t_ON
t_OFF
t = 1 / f_OSC
Figure 17 Discontinuous Mode (Current Cycle of Inductor Current IL)
19