LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.2.3_01
S-1312 Series
Block Diagrams
1. S-1312 Series A type
Function
Status
*1
ON / OFF logic
Discharge shunt
function
Active "H"
VIN
VOUT
Available
Available
Overcurrent
protection circuit
Pull-down resistor
Thermal shutdown circuit
+
−
ON / OFF
ON / OFF circuit
Reference
voltage circuit
*1
VSS
*1. Parasitic diode
Figure 1
2. S-1312 Series B type
Function
Status
*1
ON / OFF logic
Discharge shunt
function
Active "H"
VIN
VOUT
Available
Overcurrent
protection circuit
Pull-down resistor
Unavailable
Thermal shutdown circuit
+
−
ON / OFF
ON / OFF circuit
Reference
voltage circuit
*1
VSS
*1. Parasitic diode
Figure 2
2
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