MP3326

– 16-CHANNEL LED DRIVER WITH I2C AND SEPARATED PDIM/ADIM

MP3326 Rev. 1.0

www.MonolithicPower.com

9

1/4/2021

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 4.5V, LED = 16P/1S, ISET = 25mA/string, TJ = 25°C, unless otherwise noted.

Steady State

VIN = 4.5V, 16P1S, 25mA/string

Start-Up through EN_Bit

CH1: VIN

1V/div.

CH4: ILED

100mA/div.

CH1: VIN

1V/div.

CH4: ILED

100mA/div.

1ms/div.

20

μs/div.

Analog Dimming

12.5mA/string

Analog Dimming

0.39mA/string

CH1: VIN

1V/div.

CH4: ILED

100mA/div.

CH1: VIN

1V/div.

CH4: ILED

10mA/div.

20

μs/div.

20

μs/div.

PWM Dimming

PWM duty = 50%

PWM Dimming

PWM duty = 0.024%

CH1: VIN

1V/div.

CH4: ILED

100mA/div.

CH1: VIN

1V/div.

CH4: ILED

100mA/div.

2ms/div.

1

μs/div.