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RT4528

Richtek Technology
Part Number RT4528
Manufacturer Richtek Technology
Description High Voltage Buck LED Driver
Published May 27, 2016
Detailed Description ® RT4528 High Voltage Buck LED Driver with Dimming Control General Description The RT4528 is a current-mode LED driver...
Datasheet PDF File RT4528 PDF File

RT4528
RT4528

Overview
® RT4528 High Voltage Buck LED Driver with Dimming Control General Description The RT4528 is a current-mode LED driver supporting wide input voltage range from 4.
5V to 50V and output voltage up to 50V.
With internal 500kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized.
High efficiency is achieved by a 100mV current sensing control.
LED dimming control can be done from either analog or PWM signal.
The RT4528 provides an internal soft-start function to avoid inrush current and thermal shutdown to prevent the device from overheat.
The RT4528 is available in the SOP-8 (Exposed pad) package.
Ordering Information RT4528 Package Type SP...


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