S-8351A20MC-J2FT2X Datasheet, PDF (15/51 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
 Measurement Circuits
1.
+
CONT
VOUT
+
−
VDD^*1
−
V
VSS ^{ON / OFF *2}
Figure 11
2.
300 Ω
CONT
ON / OFF ^{*2 VOUT}
VSS ^VDD*1
A
+
−
Figure 12
3.
C_D
+
R_b
−
EXT _VOUT
VDD^*1
VSS
ON / OFF ^*2
+
V
−
Figure 13
4.
EXT
ON / OFF ^*2
VOUT
A
VSS ^VDD*1
+
−
Figure 14
*1. For VDD / VOUT separate type
*2. With shutdown function
15