Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Mexican  ▼
ALLDATASHEET.COM.MX

X  

Preview PDF HTML

L6997STR Datasheet(PDF) 24 Page - STMicroelectronics

No. de pieza L6997STR
Descripción Electrónicos  STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
PDF  30 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6997STR Datasheet(HTML) 24 Page - STMicroelectronics

Back Button L6997STR Datasheet HTML 20Page - STMicroelectronics L6997STR Datasheet HTML 21Page - STMicroelectronics L6997STR Datasheet HTML 22Page - STMicroelectronics L6997STR Datasheet HTML 23Page - STMicroelectronics L6997STR Datasheet HTML 24Page - STMicroelectronics L6997STR Datasheet HTML 25Page - STMicroelectronics L6997STR Datasheet HTML 26Page - STMicroelectronics L6997STR Datasheet HTML 27Page - STMicroelectronics L6997STR Datasheet HTML 28Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 24 / 30 page
background image
L6997S
24/30
NOTE: For the 25V to 12V conversion the inductor used is: 77120A core 7T.
7.4 EFFICIENCY CURVES
Part name
Value
Dimension
Notes
C24
1nF
0603
C25
1
µFTantalum
DIODES
D1
BAT54
25V
POWER SECTION
OUTPUT CAPACITORS
C11-C12
2X100
µF
B45197-A3107-
K409
EPCOS
Output capacitor C8, C9, C10 N.M.
INPUT CAPACITORS
C13, C14, C16,
C17, C15 C18
10
µF
C34Y5U1E106Z
TOKIN
Input capacitor
10
µF
C3225Y5V1E106Z
TDK
10
µF
ECJ4XF1E106Z
PANASONIC
10
µF
TMK325F106ZH
TAIYO YUDEN
INDUCTOR
L1
3
µH
T50-52 Core, 7T
AWG15
POWER MOS
Q1,Q2
STS11NF3LL
STMicroelectronics
Q3 N.M.
Q5,Q6
STS11NH3LL
STMicroelectronics
Q4 N.M.
DIODES
D2
STPS2L25U
STMicroelectronics
25V
INTEGRATED CIRCUIT
U1
L6997S
Table 14. Efficiency Curves For Different Applications (VIN up to 25V) (continued)
Figure 23. Efficiency vs output Current
Figure 24. Efficiency vs output Current
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21
0.9V
1.2V
1.5V
1.8V
2.5V
Vo = 3.3V
Vin = Vcc = 5V
Fsw = 200KHz
Output Current (A)
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
45678
9
10 11 12 13 14 15 16 17 18 19
Output Current (A)
Vin = 12V
Vcc = 5V
Fsw = 200KHz
0.9V
1.2V
1.5V
2.5V
3.3V
Vo = 5V
1.8V



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


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