S-8351A50MC-J3JT2G Datasheet, PDF (3/51 Pages) Seiko Instruments Inc – STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_00
S-8351/8352 Series
2. S-8352 Series
(1) A Type (With shutdown function)
EXT
VOUT
IC internal power supply
VREF
PFM
control
circuit
+
−
VSS
ON / OFF
Figure 4
(2) B and C Type (Without Shutdown function, V_DD / V_OUT non-separate type)
VOUT
IC internal power supply
VREF
EXT
PFM
control
circuit
+
−
VSS
Figure 5
(3) D Type (V_DD / V_OUT separate type)
VDD
VOUT
IC internal
power supply
VREF
EXT
PFM
control
circuit
+
−
VSS
Figure 6
Seiko Instruments Inc.
3