MPQ3324

– 8-CH LED DRIVER WITH I2C AND PWM AND ANALOG DIMMING, AEC-Q100

MPQ3324 Rev. 1.0

MonolithicPower.com

8

2/18/2021

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 4.5V, LED = 8P/1S, ISET = 50mA/string, TA = 25°C, unless otherwise noted.

Steady State

VIN = 4.5V, 8P/1S, 50mA/string

Start-Up through the 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

25mA/string

Analog Dimming

0.78mA/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.