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SC5014AEVB 数据表(PDF) 9 Page - Semtech Corporation

部件名 SC5014AEVB
功能描述  High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming
PDF  27 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC5014AEVB 数据表(HTML) 9 Page - Semtech Corporation

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SC5014A
9
LEDDimming
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA/CH, 1MHz,
PWMI=30KHz, Duty=4%
V_IO1
/FLT
IOUT
VOUT
LEDDimming
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA/CH, 1MHz,
PWMI=100Hz, Duty=0.04%
V_IO1
/FLT
IOUT
VOUT
AnalogDimmingTransientviaI2C
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA/CH, 1MHz,
100% to 9.68%
V_IO1
SDA
IOUT
VOUT
AnalogDimmingTransientviaI2C
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA, 1MHz, 0% to
100%
V_IO1
SDA
IOUT
VOUT
Time (5ms/div)
PWM Dimming
Analog Dimming Transient via I2C
Analog Dimming Transient via I2C
0% to 100% dimming, 200mA/CH
Typical Characteristics (continued)
V
IO1
5V/div.
PWM
6V/div.
V
OUT
1V/div.
I
OUT
200mA/div.
Time (10us/div)
V
IO1
3V/div.
I
OUT
200mA/div.
V
OUT
1V/div.
PWM
6V/div.
PWM Dimming
Time (100us/div)
Time (100us/div)
100% to 9.68% dimming, 200mA/CH
Line Transient Response
Line Transient Response
Time (500us/div)
Time (20ms/div)
0.04% dimming@100Hz, V
IN=12V, 10S2P, 200mA/CH
4% dimming@30KHz, V
IN=12V, 10S2P, 200mA/CH
V
IO1
1V/div.
SDA
6V/div.
V
OUT
10V/div.
I
OUT
200mA/div.
7V
IN to 18VIN, 200Hz and 100% dimming duty, 200mA/CH
LineTransientResponse
V_IO1
IOUT
VIN
Vout
Testing condition: Vin fluctuation (7V to 18V), PWM dimming Freq.=200Hz,
PWM dimming duty=100%; VIN rising time ≈10us, 25 ;
V
IO1
1V/div.
I
OUT
200mA/div.
V
OUT
1V/div.
V
IN
5V/div.
7V
IN to 18VIN, 200Hz and 0.5% dimming duty, 200mA/CH
SDA
6V/div.
I
OUT
200mA/div.
V
OUT
10V/div.
V
IO1
1V/div.
LineTransientResponse
V_IO1
PWMI
VIN
Vout
Testing condition: Vin fluctuation (7V to 18V), PWM dimming Freq.=200Hz,
PWM dimming duty=0.5%; VIN rising time 10us, 25 ;
PWM
5V/div.
V
IN
5V/div.
V
OUT
1V/div.
V
IO1
1V/div.



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