Electronic Components Datasheet Search
  New Zealand  ▼
ALLDATASHEET.CO.NZ

X  

Preview PDF HTML

L4976 Datasheet(PDF) 10 Page - STMicroelectronics

Part # L4976
Description  1A step down switching regulator
PDF  17 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4976 Datasheet(HTML) 10 Page - STMicroelectronics

Back Button L4976 Datasheet HTML 6Page - STMicroelectronics L4976 Datasheet HTML 7Page - STMicroelectronics L4976 Datasheet HTML 8Page - STMicroelectronics L4976 Datasheet HTML 9Page - STMicroelectronics L4976 Datasheet HTML 10Page - STMicroelectronics L4976 Datasheet HTML 11Page - STMicroelectronics L4976 Datasheet HTML 12Page - STMicroelectronics L4976 Datasheet HTML 13Page - STMicroelectronics L4976 Datasheet HTML 14Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 10 / 17 page
background image
Typical charcteristics
L4976
10/17
Figure 14. Efficiency vs output voltage
Figure 15. Efficiency vs. output current
Figure 16. Efficiency vs. output current
Figure 17. Efficiency vs. Vo
Figure 18. Efficiency vs. VCC
Figure 19. Pulse by pulse limiting
current vs. junction
temperature.
0
5
10
15
20
25
VO(V)
82
84
86
88
90
92
94
96
η
(%)
D97IN737
100KHz
VCC=35V
IO=1.5A
200KHz
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
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
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
-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 14 15 16 17


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