SC417 Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SC417 Datasheet PDF : 29 Pages
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SC417/SC427
Typical Characteristics
Characteristics in this section are based on using the Typical Application Circuit on page 2 (SC417).
Efficiency vs. Load — Forced Continuous Mode
Efficiency vs. Load — Powersave Mode
Internally biased at VLDO = 5V, VIN = 12V, VOUT = 1.050V
100
100 Internally biased at VLDO = 5V, VIN = 12V, VOUT = 1.050V
90
85%
80
90
85%
80
70
70
60
60
50
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
IOUT (A)
Efficiency vs. Load — Powersave Mode
100 Externally biased at VIN = 12V, V5V = 5V, VOUT = 1.050V
90
85%
80
70
60
50
0.10
1.00
IOUT (A)
10.00
VOUT vs. Load — Forced Continuous Mode
1.100 Internally biased at VLDO = 5V, VIN = 12V, VOUT = 1.050V
1.075
1.050
1.025
+1%
-1%
50
0.10
1.00
IOUT (A)
10.00
1.000
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
IOUT (A)
Frequency vs. Load — Forced Continuous Mode
400 Internally biased at VLDO = 5V, VIN = 12V, VOUT = 1.050V
350
+15%
300
250
-15%
200
150
100
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
IOUT (A)
VRIPPLE vs. Load — Forced Continuous Mode
0.20 Internally biased at VLDO = 5V, VIN = 12V, VOUT = 1.050V
0.15
0.10
50mV
0.05
VOUTP-P
0.00
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
IOUT (A)
7
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