Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

Preview PDF HTML

AN2808 Scheda tecnica(PDF) 35 Page - STMicroelectronics

Il numero della parte AN2808
Spiegazioni elettronici  The PM6670S device is a complete
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2808 Scheda tecnica(HTML) 35 Page - STMicroelectronics

Back Button AN2808 Datasheet HTML 31Page - STMicroelectronics AN2808 Datasheet HTML 32Page - STMicroelectronics AN2808 Datasheet HTML 33Page - STMicroelectronics AN2808 Datasheet HTML 34Page - STMicroelectronics AN2808 Datasheet HTML 35Page - STMicroelectronics AN2808 Datasheet HTML 36Page - STMicroelectronics AN2808 Datasheet HTML 37Page - STMicroelectronics AN2808 Datasheet HTML 38Page - STMicroelectronics AN2808 Datasheet HTML 39Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 35 / 40 page
background image
AN2808
PM6670S evaluation tests
35/40
Figure 42.
VTT load regulation (h)
Figure 43.
VTTREF load regulation (h)
The efficiency of the switching section is still very high, as shown by the following graphs in
which the VDDQ efficiency is computed against the load, with 12 and 5 V input voltages.
All of the three working modes (forced PWM, pulse skip and non-audible pulse skip) have
been tested.
h.
LDOIN = VDDQ, input voltage 5 V, switching frequency 400 kHz, forced PWM mode.
1.200
1.210
1.220
1.230
1.240
1.250
1.260
1.270
1.280
1.290
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
Current [A]
AM00664v1
1.247
1.248
1.249
1.250
1.251
1.252
1.253
1.254
1.255
1.256
1.257
-30-20
-10
0
10
20
30
Current [mA]
AM00665v1



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


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