HVLED101 datasheet(35/36 Pages) STMICROELECTRONICS

35 / 36 page

List of figures

Figure 1.

Block diagram .................................................................... 2

Figure 2.

HVLED101 typical PSR application ...................................................... 3

Figure 3.

HVLED101 typical SSR application ...................................................... 3

Figure 4.

Device pinout ..................................................................... 4

Figure 5.

Initial startup phase ................................................................ 13

Figure 6.

Ramp-up waveforms ............................................................... 14

Figure 7.

QR operating scheme .............................................................. 15

Figure 8.

Multiplier and THD optimizer block diagram ............................................... 16

Figure 9.

DC detection waveforms ............................................................ 17

Figure 10.

ZCD algorithm diagram ............................................................. 19

Figure 11.

Valley skipping algorithm ............................................................ 20

Figure 12.

PSR related signal ................................................................ 20

Figure 13.

PSR burst-mode waveforms.......................................................... 21

Figure 14.

PSR burst-mode repetition rate........................................................ 22

Figure 15.

UVLO and VCC regulation block diagram................................................. 22

Figure 16.

iOVP waveforms .................................................................. 25

Figure 17.

Brownout protection ............................................................... 26

Figure 18.

Fault pin block diagram ............................................................. 27

Figure 19.

Package dimensions ............................................................... 29

HVLED101

List of figures

DS14143 - Rev 2

page 35/36

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