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SC431L Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC431L
Description  Low Voltage Adjustable Shunt Regulator
PDF  10 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC431L Datasheet(HTML) 7 Page - Semtech Corporation

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 2008 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC431L
Small-Signal Gain and Phase Shift
vs. Frequency
Reference Impedance
vs. Frequency
Typical Characteristics (Cont.)
Test Circuit - Small-Signal Gain and Phase
Reference Impedance vs.
Junction Temperature
Stability Boundary Condition For Shunt Regulation
vs. Cathode Current and Load Capacitance
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
-50
-25
0
25
50
75
100
125
150
TJ (°C)
IZ = 0.1 to 100 mA
VZ = VREF
f < 1 kHz
0.01
0.1
1
10
100
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
f (Hz)
TA = 25°C
-20
-10
0
10
20
30
40
50
60
70
80
1.0E+02
1.0E+03
1.0E+04
1.0E+05
1.0E+06
f (Hz)
-630
-585
-540
-495
-450
-405
-360
-315
-270
-225
-180
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.001
0.01
0.1
1
10
CL (µF)
TA = 25°C
VZ = VREF
VZ = 2V
Stable
Stable
Test Circuit - Stability



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