SC4431CSK-1TR View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC4431CSK-1TR' PDF : 5 Pages View PDF
POWER MANAGEMENT
Typical Characteristics
3.5000
3.0000
2.5000
2.0000
1.5000
1.0000
0.5000
0.0000
-0.5000
1.2248
1.2703
Vcc=2V,Io=1.3mA
1.3048
Vref(v)
Vcc=5V,Io=1.3mA
1.7030
3.0182
Vcc=15V,Io=1.3mA
Typical Icc vs Vref, Io = 1.3mA, Ta = 25 Deg.C.
SC4431
Shunt Regulator With
Open Collector Output
3.5000
3.0000
2.5000
2.0000
1.5000
1.0000
0.5000
0.0000
-0.5000
1.2243
1.2700
Vcc=2V,Io=2mA
1.3009
Vref(v)
Vcc=5V,Io=2mA
1.7073
3.0073
Vcc=15V,Io=2mA
Typical Icc vs Vref, Io = 2mA, Ta = 25 Deg.C.
+Vref_Adjust
J3
C4
1
2
10uF
+VCC
J1
1
2
C1
10uF
R1
4k
C3
U1
R4
1
1k
Vref
4
R5
1k
Vref
+V adj
Io R2
3.9k
5 Vo
C5
22nF
SC4431
2
Icc vs Vref Test Circuit
J2
1
C2
2
10uF
2003 Semtech Corp.
5
www.semtech.com
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