AN4376 datasheet(3/37 Pages) STMICROELECTRONICS

Il numero della parte	AN4376

Spiegazioni elettronici	10 W wide range non-isolated high power factor LED driver using HVLED815PF

PDF	37 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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3 / 37 page

DocID025380 Rev 1

3/37

AN4376

Contents

PFC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.1

Input and output LED driver waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.2

Transition mode operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.3

ILED pin modulation with the line voltage . . . . . . . . . . . . . . . . . . . . . . . . 25

7.4

Controller startup and light-ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

7.5

OVP protection and no load behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7.6

Short-circuit and output current limitation . . . . . . . . . . . . . . . . . . . . . . . . . 28

7.7

Thermal measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

7.8

Harmonic content at nominal mains voltage . . . . . . . . . . . . . . . . . . . . . . 34

7.9

Conducted emission pre-compliance test . . . . . . . . . . . . . . . . . . . . . . . . 35

Supporting material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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