SC5014 Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SC5014
Semtech Corporation
SC5014 Datasheet PDF : 34 Pages
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LED Dimming Without Phase Shift
Typical Characteristics (continued)
LED Dimming Without Phase Shift Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=10%
10% dimming@200Hz, VIN=12V, 4P10S, 120mA/CH
VIO1
10V/div.
V_IO1
V_IO2
VIO2
10V/div.
IL
1A/div.
IL
SC5014
LED Dimming With Phase Shift
LED Dimming With Phase Shift Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=10%
10% dimming@200Hz, VIN=12V, 4P10S, 120mA/CH
VIO1
10V/div.
V_IO1
VIO2
V_IO2
10V/div.
IL
1A/div.
IL
IOUT
400mA/div.
Iout
LED Dimming Without Phase Shift
Time (2ms/div)
LED Dimming Without Phase Shift Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=35%
35% dimming@200Hz, VIN=12V, 4P10S, 120mA/CH
VIO1
10V/div.
VIO2
V_IO1
10V/div.
V_IO2
IL
IL
1A/div.
IOUT
400mA/div.
Iout
Analog Dimming Transient via I2C
Time (2ms/div)
Analog Dimming Transient via I C Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/2CH,
RFSET=100KHz, 60mA/CH to 120mA/CH
60mA/CH to 120mA/CH
VSDA
SDA
5V/div.
IOUT
400mA/div.
Iout
LED Dimming With Phase Shift
Time (2ms/div)
LED Dimming With Phase Shift Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=35%
35% dimming@200Hz, VIN=12V, 4P10S, 120mA/CH
VIO1
10V/div.
V_IO1
VIO2
V_IO2
10V/div.
IL
1A/div.
IL
IOUT
400mA/div.
Iout
Analog Dimming Transient via I2C
Time (2ms/div)
Analog Dimming Transient via I C Testing condition: VIN=12V, 25к, LEDs=10S4P@120mA/2CH,
RFSET=100KHz, 120mA/CH to 60mA/CH
120mA/CH to 60mA/CH
VSDA
SDA
5V/div.
VSW
20V/div.
VOUT
2V/div.
IOUT
300mA/div.
Time (40us/div)
VSW
20V/div.
SW
Vout
VOUT
2V/div.
Iout
IOUT
300mA/div.
Time (40us/div)
SW
Vout
Iout
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