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SC5014 bảng dữ liệu(PDF) 9 Page - Semtech Corporation

tên linh kiện SC5014
Giải thích chi tiết về linh kiện  High Efficiency 4-Channel HB LED Driver with I2C Interface and Phase-Shifted PWM Dimming
PDF  34 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC5014 bảng dữ liệu(HTML) 9 Page - Semtech Corporation

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SC5014
9
Time (2ms/div)
LEDDimmingWithoutPhaseShift
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=10%
IL
V_IO1
V_IO2
Iout
LED Dimming Without Phase Shift
LED Dimming Without Phase Shift
LED Dimming With Phase Shift
35% dimming@200Hz, V
IN=12V, 4P10S, 120mA/CH
Typical Characteristics (continued)
V
IO1
10V/div.
V
IO2
10V/div.
I
L
1A/div.
I
OUT
400mA/div.
LEDDimmingWithPhaseShift
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=10%
IL
V_IO1
V_IO2
Iout
LED Dimming With Phase Shift
LEDDimmingWithoutPhaseShift
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=35%
IL
V_IO1
V_IO2
Iout
LEDDimmingWithPhaseShift
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, PWMI=200HZ, Duty=35%
IL
V_IO1
V_IO2
Iout
35% dimming@200Hz, V
IN=12V, 4P10S, 120mA/CH
Time (40us/div)
AnalogDimmingTransientviaI2C
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, 60mA/CH to 120mA/CH
Iout
Vout
SDA
SW
V
SW
20V/div.
I
OUT
300mA/div.
AnalogDimmingTransientviaI2C
Testing condition: VIN=12V, 25 , LEDs=10S4P@120mA/CH,
RFSET=100KHz, 120mA/CH to 60mA/CH
Iout
Vout
SDA
SW
Time (2ms/div)
V
IO1
10V/div.
V
IO2
10V/div.
I
L
1A/div.
I
OUT
400mA/div.
10% dimming@200Hz, V
IN=12V, 4P10S, 120mA/CH
10% dimming@200Hz, V
IN=12V, 4P10S, 120mA/CH
Time (2ms/div)
V
IO1
10V/div.
V
IO2
10V/div.
I
L
1A/div.
I
OUT
400mA/div.
Time (2ms/div)
V
IO1
10V/div.
V
IO2
10V/div.
I
L
1A/div.
I
OUT
400mA/div.
Analog Dimming Transient via I2C
Analog Dimming Transient via I2C
60mA/CH to 120mA/CH
120mA/CH to 60mA/CH
V
SDA
5V/div.
V
OUT
2V/div.
Time (40us/div)
V
SW
20V/div.
I
OUT
300mA/div.
V
SDA
5V/div.
V
OUT
2V/div.



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