S-8351A20MC-J2FT2X Datasheet, PDF (27/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_01
S-8351/8352 Series
(3) D type
L
V_IN
+
− ^CIN
2200 pF
1 kΩ ^EXT
SD VDD
IC internal
power
supply
V_REF
PFM control
+
circuit
−
C_{c RA}
VOUT
R_{B +}
− ^CL
VSS
Figure 26
Caution The above connection diagram and constants will not guarantee successful operation. Perform
through evaluation using the actual application to set the constant.
27