SP2798B - Main Line Power Up Non-Isolated Buck APFC LED Driver

Product Overview

Datasheet Details

Part number	SP2798B
Manufacturer	SPMICRO
File Size	588.60 KB
Description	Main Line Power Up Non-Isolated Buck APFC LED Driver
Datasheet	SP2798B Datasheet
Note	This datasheet PDF includes multiple part numbers: SP2798B, SP2798A. Please refer to the document for exact specifications by model.
Additional preview pages of the SP2798B datasheet.

Product details

Description

The SP2788Xare built-in HV start-up and IC power supply circuit, main line power up constant current LED regulators with high current accuracy which applies to single stage step-down power factor corrected LED drivers.

Features

Active PFC for High power factor and low THD.
Built-in HV start-up and IC power supply circuit, The VDD power supply resistors and power feedback circuits from LED chips are not needed.
600V high voltage MOSFET integrated.
±3% LED output current accuracy.
Excellent line and load regulation.
Quasi-Resonant (QR) Buck topology.
System efficiency up to 95%.
Ultra low start up & operating current.
Cycle-by-cycle cur.

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Other Datasheets by SPMICRO

SP2798A - Main Line Power Up Non-Isolated Buck APFC LED Driver
SP2798C - Main Line Power Up Non-Isolated Buck APFC LED Driver
SP2788A - Main Line Power Up Non-Isolated Buck APFC LED Driver
SP2788B - Main Line Power Up Non-Isolated Buck APFC LED Driver
SP2788C - Main Line Power Up Non-Isolated Buck APFC LED Driver
SP201 - Offline Current Mode PWM Controller

Published: Dec 4, 2025 |