Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

Preview PDF HTML

UM0670 Scheda tecnica(PDF) 20 Page - STMicroelectronics

Il numero della parte UM0670
Spiegazioni elettronici  80 W offline LED driver with PFC
PDF  43 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0670 Scheda tecnica(HTML) 20 Page - STMicroelectronics

Back Button UM0670 Datasheet HTML 16Page - STMicroelectronics UM0670 Datasheet HTML 17Page - STMicroelectronics UM0670 Datasheet HTML 18Page - STMicroelectronics UM0670 Datasheet HTML 19Page - STMicroelectronics UM0670 Datasheet HTML 20Page - STMicroelectronics UM0670 Datasheet HTML 21Page - STMicroelectronics UM0670 Datasheet HTML 22Page - STMicroelectronics UM0670 Datasheet HTML 23Page - STMicroelectronics UM0670 Datasheet HTML 24Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 20 / 43 page
background image
UM0670
Measurement
Doc ID 15327 Rev 2
20/43
Figure 14.
Output LED current for different LED voltages (ILED = 350 mA)
Figure 15 shows the output LED current waveform for the LED current of 700 mA. The
current ripple is, in this case, 333 mA and the switching frequency for the modified buck
converter is 69 kHz. The input voltage was 230 AC and 6 LEDs were used as the load
(OSTAR LED LE UW E3B see Section 11: References and related materials: 6). The output
LED current accuracy for the different LED voltages is shown in Figure 16.
Figure 15.
Output LED current waveforms (ILED = 700 mA)
VLED v s. ILED for nominal LED current 350 mA
0
50
100
150
200
250
300
350
400
450
174
193
211
230
250
LED voltage [V]
LED
current
[mA]
350 mA
AM00399



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43


Scheda tecnica Scarica

Go To PDF Page


Link URL



Lei ha avuto il aiuto da alldatasheet?  [ DONATE ] 

Di alldatasheet   |   Richest di pubblicita   |   contatti   |   Privacy Policy   |   Collegamento alla scheda tecnica    |   scambio Link   |   Ricerca produttore
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com