S-8352 Seiko Instruments, S-8352 Datasheet - Page 2

• Manufacturer Part Number: S-8352
• Description: (S-8351 / S-8352) SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
• Manufacturer: Seiko Instruments

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STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
Block Diagrams
1. S-8351 Series
(1) A Type (With Shutdown Function)
(2) B and C Types (Without Shutdown Function, V
(3) D Type (V
DD
/ V
OUT
Separate Type)
CONT
CONT
CONT
ON
IC internal power supply
Protection
circuit
/
Protection
circuit
Protection
circuit
OFF
Seiko Instruments Inc.
PFM
control
circuit
PFM
control
circuit
PFM
control
circuit
DD
IC internal
power supply
Figure 1
Figure 2
Figure 3
/ V
IC internal
power supply
OUT
Non-separate Type)
VDD
+
−
+
−
+
−
V
V
REF
REF
V
REF
VOUT
VOUT
VOUT
VSS
VSS
VSS
Rev.2.0
_00