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RT8550

Part Number	RT8550
Manufacturer	Richtek
Description	76V Boost DC/DC Converter
Published	Mar 18, 2017
Detailed Description	® RT8550 76V Boost DC/DC Converter with APD Current Monitor General Description The RT8550 is a high performance, low ...
Datasheet	RT8550 PDF File

Overview

® RT8550 76V Boost DC/DC Converter with APD Current Monitor General Description The RT8550 is a high performance, low noise Boost DC/ DC converter with an integrated internal switch and an avalanche photodiodes (APD) current monitor.
The RT8550's input voltage ranges from 2.
8V to 5.
5V, and it can support the output voltage up to 76V.
When used in optical receiver application to drive the high voltage APD diode, the output voltage of the RT8550 can be further doubled up by a typical voltage doubler circuit.
The RT8550 adapts fixed frequency, current mode PWM control loop to regulate the output voltage with fast transient response and cycle-by-cycle current limit.
With 400kHz switching frequ...

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