Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

L4971 Datasheet(PDF) 8 Page - STMicroelectronics

Part # L4971
Description  1.5A STEP DOWN SWITCHING REGULATOR
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4971 Datasheet(HTML) 8 Page - STMicroelectronics

Back Button L4971_05 Datasheet HTML 4Page - STMicroelectronics L4971_05 Datasheet HTML 5Page - STMicroelectronics L4971_05 Datasheet HTML 6Page - STMicroelectronics L4971_05 Datasheet HTML 7Page - STMicroelectronics L4971_05 Datasheet HTML 8Page - STMicroelectronics L4971_05 Datasheet HTML 9Page - STMicroelectronics L4971_05 Datasheet HTML 10Page - STMicroelectronics L4971_05 Datasheet HTML 11Page - STMicroelectronics L4971_05 Datasheet HTML 12Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 8 / 13 page
background image
L4971
8/13
Figure 18. Efficiency vs. output current.
Figure 19. Efficiency vs. output current.
Figure 20. Efficiency vs. VCC.
Figure 21. Power dissipation vs. Vcc.
Figure 22. Efficiency vs. VO
Figure 23. Pulse by pulse limiting current vs.
junction temperature.
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4 IO(A)
60
65
70
75
80
85
90
η
(%)
D97IN740
VCC=8V
fsw=200KHz
VO=5.1V
VCC=12V
VCC=24V
VCC=48V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4 IO(A)
55
60
65
70
75
80
85
90
η
(%)
D97IN741
VCC=8V
fsw=200KHz
VO=3.36V
VCC=12V
VCC=24V
VCC=48V
0
1020304050
VCC(V)
70
75
80
85
η
(%)
D97IN742
V
0=5.1V-f
SW
=100KHz
IO=1.5A
V
0
=5.1V-f
SW =200KHz
V
0
=3.36V-f
SW=100KHz
V
0
=3.36V-f
SW
=2
00KHz
0
1020304050
VCC(V)
0
200
400
600
800
Pdiss
(mW)
D97IN743
IO=1.5A
VO=5.1V
fsw=100KHz
IO=1A
IO=0.5A
0
5
10
15
20
25
30 V0(V)
0
200
400
600
800
Pdiss
(mW)
D97IN744
IO=1.5A
VCC=35V
fsw=100KHz
IO=1A
IO=0.5A
-50 -25
0
25
50
75
100 125 Tj(˚C)
2.3
2.4
2.5
2.6
2.7
2.8
2.9
Ilim
(A)
D97IN747
fsw=100KHz
VCC=35V



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
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