S-8351A20MC-J2FT2X Datasheet, PDF (26/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
Rev.3.0_01
2. S-8352 Series
(1) A type
L
V_IN
+
−
C_IN
2200 pF
1 kΩ ^EXT
SD
PFM control
circuit
V_REF
+
−
VOUT
+
− ^CL
ON / OFF
(2) B and C types
L
V_IN
+
− ^CIN
2200 pF
1 kΩ ^EXT
Figure 24
VSS
SD
PFM control
circuit
V_REF
+
−
VOUT
+
− ^CL
Figure 25
VSS
26