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RT9378

Richtek
Part Number RT9378
Manufacturer Richtek
Description 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver
Published Feb 27, 2015
Detailed Description ® RT9378 4 CHs 100mA x1/x1.5/x2 Charge Pump White LED Driver General Description The RT9378 is a 4 CH WLED driver with...
Datasheet PDF File RT9378 PDF File

RT9378
RT9378

Overview
... auto mode selection of x1, x1.
5 and x2 mode with low dropout voltage in current sources.
The RT9378 can power up to 4 white LEDs with regulated constant current for uniform intensity.
Each channel (LED1 to LED4) can support up to 25mA.
The part maintains highest efficiency by utilizing x1/x1.
5/ x2 fractional charge pump and low dropout current regulators.
For the brightness control, user can easily use a PWM signal generated from GPIO to control the brightness of WLEDs.
The RT9378 is available in a WQFN-12L 2x2 package.
Small 0.
22μF capacitors can be used for fly capacitors.
It provides the best backlighting solution with high efficiency and smallest board space for portable application.
O...


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