SC1453ISK32TR Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SC1453ISK32TR Datasheet PDF : 14 Pages
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SC1453
POWER MANAGEMENT
Typical Characteristics (Cont.)
Dropout Voltage vs. Junction Temperature
vs. Output Current
200
175
150
IOUT = 150mA
125
100
75
50
IOUT = 50mA
25
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Bypass Start-up Rise Time vs. Junction Temperature
1.8
1.7 CBYP = 10nF
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
-50
-25
vs. Input Voltage
VIN = 3.8V
VIN = 6.5V
0
25
50
75
TJ (°C)
100
125
Reverse Battery Protection vs.
Junction Temperature
5.0
4.5 VIN = VEN = -6.5V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50
-25
0
25
50
75
TJ (°C)
100
125
Dropout Voltage vs. Output Current
vs. Junction Temperature
200
175
150
125
100
75
50
25
0
0
Top to bottom:
TJ = 125°C
TJ = 25°C
TJ = -40°C
25
50
75
100
125
150
IOUT (mA)
Enable Input Threshold Voltage vs. Junction
Temperature vs. Input Voltage
1.6
1.4 VIH @ VIN = 6.5V
1.2 VIH @ VIN = 3.8V
1.0 VIL @ VIN = 6.5V
0.8
VIL @ VIN = 3.8V
0.6
0.4
-50
-25
0
25
50
75
100
125
TJ (°C)
Output Spectral Noise Density vs. Frequency
vs. Output Voltage, COUT = 1µF
10
VIN = VOUT + 1V
IOUT = 1mA
CIN = 1µF
1
CBYP = 10nF
TJ = 25°C
0.1
0.01
Top to bottom:
VOUT = 3.3V
VOUT = 3.0V
VOUT = 2.8V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V
0.001
0.01
0.1
1
10
f (kHz)
100
1000
2006 Semtech Corp.
9
www.semtech.com
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