MP3367

– 6-CHANNEL BOOST WLED DRIVER WITH HIGH DIM RATIO AND I2C

MP3367 Rev. 1.0

www.MonolithicPower.com

10

6/17/2019

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 12V, L = 22µH, LED = 6P12S, fSW = 400kHz, ISET = 50mA, TA = 25°C, unless otherwise noted.

Steady State

fSW = 400kHz

Steady State

fSW = 2.2MHz

CH1: VSW

20V/div.

CH2: VOUT

20V/div.

CH3: IL

500mA/div.

CH4: ILED

200mA/div.

CH1: VSW

20V/div.

CH2: VOUT

20V/div.

CH3: IL

500mA/div.

CH4: ILED

200mA/div.

4µs/div.

1µs/div.

VIN Power-On

EN Power-On

CH1: VSW

20V/div.

CH2: VIN

5V/div.

CH3: IL

500mA/div.

CH4: ILED

200mA/div.

CH1: VSW

20V/div.

CH2: VEN

5V/div.

CH3: IL

500mA/div.

CH4: ILED

200mA/div.

10ms/div.

10ms/div.

PWM Dimming

fPWM = 200Hz, DPWM = 50%

PWM Dimming

fPWM = 20kHz, DPWM = 50%

CH1: VSW

20V/div.

CH2: VPWM

5V/div.

CH3: IL

1A/div.

CH4: ILED

200mA/div.

CH1: VSW

20V/div.

CH2: VPWM

5V/div.

CH3: IL

1A/div.

CH4: ILED

200mA/div.

4ms/div.

40µs/div.