SC5014AEVB データシートの表示（PDF） - Semtech Corporation

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SC5014AEVB

High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming

Semtech Corporation 

LED Dimming

Testing condition: VIN=12V, 25к, LEDs=10S4P@100mA/CH, 1MHz,

Typical CharaPcWtMeI=1r00iHszt, Dicutsy=0(.0c4o% ntinued)

PWM Dimming

0.04% dimming@100Hz, VIN=12V, 10S2P, 200mA/CH

VOUT

1V/div.

VIO1

5V/div.

LED DimminSgC5014A

VOUT

V_IO1

Testing condition: VIN=12V, 25к, LEDs=10S4P@100mA/CH, 1MHz,

PWMI=30KHz, Duty=4%

PWM Dimming

4% dimming@30KHz, VIN=12V, 10S2P, 200mA/CH

VOUT

1V/div.

VIO1

3V/div.

VOUT

V_IO1

IOUT Analog Dimming Transient via I2C

200mA/div.

IOUT

PWM

6V/div.

Testing condition: VIN=12V, 25кT, iLmEDes(=510mS4sP/d@i1v0)0mA, 1MHz, 0% to

100%

/FLT

Analog Dimming Transient via I2C

0% to 100% dimming, 200mA/CH

VOUT

IOUT Analog Dimming Transient via I2C

200mA/div.

IOUT

PWM

6V/div.

Testing condition: VIN=12V, 25Tкi,mLEeD(s1=010uSs4/Pd@iv1)00mA/CH, 1MHz,

100% to 9.68%

/FLT

Analog Dimming Transient via I2C

100% to 9.68% dimming, 200mA/CH

VOUT

10V/div.

VOUT

VOUT

10V/div.

VIO1

1V/div.

V_IO1

IOUT

IOUT

200mA/div.

SDA

Line Transient Response

6V/div.

Testing condition: Vin fluctuation (T7Vimtoe18(1V0), 0PuWsM/ddiivm)ming Freq.=200Hz,

PWM dimminLg idnutey=T10r0a%n; VsIiNernistinRg teimsep≈o10nuss,e25к;

7VIN to 18VIN, 200Hz and 100% dimming duty, 200mA/CH

VIN

5V/div.

SDA

VIN

VIO1

1V/div.

IOUT

200mA/div.

Line Transient Response

SDA

6V/div.

Testing coPnWditMiodni:mVmininflgucdtuutayt=io0n.5(%7T;ViVmtIoNe1r8i(sV1i)n0, g0PtWuimsMe/dd㻃1iim0vu)msi,n2g5㷄Fr;eq.=200Hz,

Line Transient Response

7VIN to 18VIN, 200Hz and 0.5% dimming duty, 200mA/CH

VIN

5V/div.

V_IO1

IOUT

SDA

VIN

VOUT

1V/div.

VIO1

1V/div.

IOUT

200mA/div.

Time (500us/div)

Vout

V_IO1

VOUT

1V/div.

VIO1

1V/div.

PWM

IOUT

5V/div.

Time (20ms/div)

Vout

V_IO1

PWMI



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