MP3383

– 4-STRING, MAX 80V VOUT, STEP-UP WLED CONTROLLER

MP3383 Rev. 1.0

MonolithicPower.com

9

5/2/2022

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 15V, VEN = 5V, 120mA/string, 4 strings, 14 LEDs in series, TA = 25°C, unless otherwise noted.

Steady State

Start-Up through VIN

CH1: VSW

CH2: VOUT

CH3: IL

CH4: ILED

CH1: VSW

CH2: VOUT

CH3: IL

CH4: ILED

Shutdown through VIN

Start-Up through EN

CH1: VSW

CH2: VIN

CH3: IL

CH4: ILED

CH1: VSW

CH2: VEN

CH3: IL

CH4: ILED

Shutdown through EN

Start-Up through PWM

fPWM = 200Hz, DPWM = 50%

CH1: VSW

CH2: VEN

CH3: IL

CH4: ILED

CH1: VSW

CH2: PWM

CH3: IL

CH4: ILED