HVLED001B datasheet(1/33 Pages) STMICROELECTRONICS

Il numero della parte	HVLED001B

Spiegazioni elettronici	High power factor flyback controller with constant voltage primary-sensing and ultra-low standby consumption

PDF	33 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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1 / 33 page

This is information on a product in full production.

January 2019

DS12748 Rev 2

1/33

HVLED001B

High power factor flyback controller with constant voltage

primary-sensing and ultra-low standby consumption

Datasheet - Production data

Features

 Quasi resonant (QR) topology

 Primary side regulation of output voltage

 Direct optocoupler connection for current loop

regulation with feedback disconnection

detection

 800 V high voltage startup

 High power factor and low THD in universal

range

 High efficiency and output stability in wide

voltage and current range

 Extremely low standby power at no load

condition

 Programmable frequency foldback

 Integrated input voltage detection for high

power factor capability and protection

triggering

 Latch-free device guarantee by smart auto-

reload timer (ART)

 0-10 and PWM dimming compatible

 Remote control pin

Applications

 Single-stage LED drivers with high power

factor

 Two-stage LED drivers

Description

The HVLED001B is an enhanced peak current

mode controller able to control mainly high power

factor (HPF) flyback or buck-boost. Some other

topologies such as buck, boost and SEPIC, can

also be implemented.

Primary side regulation and optocoupler control

can be applied independently on the chip, both

exploiting precise regulation and very low standby

power during no load conditions.

The innovative ST high voltage technology allows

direct connection of the HVLED001B to the input

voltage in order to both start up the device and to

monitor the input voltage, without the need for

external components.

Abnormal conditions like open circuit, output

short-circuit, input over-voltage or under-voltage

and circuit failures like open loop and overcurrent

of the main switch are effectively controlled.

A smart Auto Recover Timer (ART) function is

built in to guarantee an automatic application

recovery, without any loss of reliability.

SSOP10

Table 1. Device summary

Order code

Package

Packaging

HVLED001BY

SSOP10

Tube

HVLED001BTR

Tape and reel

www.st.com

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