S1131 Datasheet, PDF (2/30 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1131 Series
Rev.4.1_00
„ Block Diagrams
(1) Without ON/OFF circuit (Package: SOT-89-3)
*1
VIN
VOUT
Overcurrent
protection circuit
+
−
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
(2) With ON/OFF circuit (Package: SOT-89-5, 6-Pin HSON(A))
*1
VIN
Overcurrent
protection circuit
VOUT
ON/OFF
ON/OFF
+
circuit
−
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 2
2
Seiko Instruments Inc.