Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

Preview PDF HTML

L4971D Datasheet(PDF) 8 Page - STMicroelectronics

No. de pieza L4971D
Descripción Electrónicos  1.5A STEP DOWN SWITCHING REGULATOR
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4971D Datasheet(HTML) 8 Page - STMicroelectronics

Back Button L4971D Datasheet HTML 4Page - STMicroelectronics L4971D Datasheet HTML 5Page - STMicroelectronics L4971D Datasheet HTML 6Page - STMicroelectronics L4971D Datasheet HTML 7Page - STMicroelectronics L4971D Datasheet HTML 8Page - STMicroelectronics L4971D Datasheet HTML 9Page - STMicroelectronics L4971D Datasheet HTML 10Page - STMicroelectronics L4971D Datasheet HTML 11Page - STMicroelectronics L4971D Datasheet HTML 12Page - STMicroelectronics  
Zoom Inzoom in Zoom Outzoom out
 8 / 12 page
background image
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
Figure 15. Efficiencyvs. output current.
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
Figure 16. Efficiency vs. output current.
0
1020
3040
50
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
=1
200KHz
Figure 17. Efficiencyvs. Vcc.
0
102030
4050
VCC(V)
0
200
400
600
800
Pdiss
(mW)
D97IN743
IO=1.5A
VO=5.1V
fsw=100KHz
IO=1A
IO=0.5A
Figure 18. Power dissipation vs. Vcc.
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
Figure 19. Efficiencyvs. Vo.
-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
Figure 20. Pulse by pulse limiting current vs.
junction temperature.
L4971
8/12



Html Pages

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


Datasheet Descarga

Go To PDF Page


Enlace URL



¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Enlace a la hoja de datos    |   Intercambio de Enlaces   |   Lista de Fabricantes
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