BD81A44MUV-M - 4ch White LED Driver

ROHM

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Datasheet Details

Part number	BD81A44MUV-M
Manufacturer	ROHM
File Size	3.06 MB
Description	4ch White LED Driver
Datasheet	BD81A44MUV-M-ROHM.pdf

BD81A44MUV-M Product details

Description

Key Specifications BD81A44EFV-M / BD81A44MUV-M is a white LED driver with the capability of withstanding high input voltage (maximum 35 V).This driver has 4ch constantcurrent drivers in 1-chip, where each channel can draw up to 120 mA (Max), and it is suitable for high illumination LED drive.Furthermore, a buck-boost current mode DC/DC converter is also built to achieve stable operation during power voltage fluctuation.Light modulation (10,000:1@100 Hz dimming function) is possible by PWM i

Features

Operating Input Voltage Range 4.5 V to 35 V.
Output LED Current Accuracy ±3.0 %@50 mA.
DC/DC Oscillation Frequency 200 kHz to 2200 kHz.
Operating Temperature -40 °C to +125 °C.
LED Maximum Output Current 120 mA/ch.
LED Maximum Dimming Ratio 10,000:1@100 Hz.
PWM Minimum Pulse Width 1.0 µs Packages VQFN28SV5050 HTSSOP-B28 W (Typ) x D (Typ) x H (Max) 5.0 mm x 5.0 mm x 1.0 mm 9.7 mm x 6.4 mm x 1.0 mm.
AEC-Q100 Qualified.
1.
4ch Current.

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Published: Nov 29, 2016 |