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HM2802 Datasheet(PDF) 5 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM2802
Description  30V 1.5A 1MHz Sync Step-Down Dimmable LED Driver
PDF  12 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM2802 Datasheet(HTML) 5 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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30V 1.5A 1MHz Sync Step-Down Dimmable LED Driver
Typical Performance Characteristics (1) (2)
Note (1): Performance waveforms are tested on the evaluation board.
Note (2): VIN =12V, VOUT=2 Series LED, L=6.8µH, TA = +25ºC, unless otherwise noted.
Efficiency vs. LED current
VIN=18V
LED Current vs Analog Dimming Voltage
VIN=12V, RS=0.067Ω
Steady State
VIN=12V, ILED=1.5A
Shutdown through VIN
ILED=0.5A
Efficiency vs. LED Current
Load=2 LED
LED Current vs Input Voltage
LOAD=2 LED, RS=0.1Ω
Start-Up through VIN
ILED =0.5A
Shutdown through VIN
ILED=1.5A
LED Current vs. PWM Duty Cycle
VIN =18V, Load=3 LED, RS=0.1Ω
Steady State
VIN =12V, ILED=0.5A
Start-Up through VIN
ILED=1.5A
LED+ Short to GND Steady state



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