поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

Preview PDF HTML

A7986ATR датащи(PDF) 19 Page - STMicroelectronics

номер детали A7986ATR
подробное описание детали  3 A step-down switching regulator for automotive applications
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A7986ATR датащи(HTML) 19 Page - STMicroelectronics

Back Button A7986ATR Datasheet HTML 15Page - STMicroelectronics A7986ATR Datasheet HTML 16Page - STMicroelectronics A7986ATR Datasheet HTML 17Page - STMicroelectronics A7986ATR Datasheet HTML 18Page - STMicroelectronics A7986ATR Datasheet HTML 19Page - STMicroelectronics A7986ATR Datasheet HTML 20Page - STMicroelectronics A7986ATR Datasheet HTML 21Page - STMicroelectronics A7986ATR Datasheet HTML 22Page - STMicroelectronics A7986ATR Datasheet HTML 23Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 19 / 42 page
background image
DocID022801 Rev 5
19/42
A7986A
Application information
Equation 17
In this way the PWM modulator gain results constant and equal to:
Equation 18
The synchronization of the device with an external clock provided trough the SYNCH pin
can modify the PWM modulator gain (see Section 5.1 to understand how this gain changes
and how to keep it constant in spite of the external synchronization).
Figure 9. The error amplifier, the PWM modulation and the LC output filter
The transfer function on the LC filter is given by:
Equation 19
where:
Equation 20
V
S
KV
IN
⋅
=
G
PW0
V
IN
V
s
---------
1
K
----
18
==
=
FB
COMP
V
REF
E/A
PWM
V
S
OUT
V
CC
C
OUT
ESR
L
G
PW0
G
LC
FB
COMP
V
REF
E/A
PWM
V
S
OUT
V
CC
C
OUT
ESR
L
G
PW0
G
LC
G
LC s
()
1
s
2
π f
zE SR
⋅
--------------------------
+
1
s
2
π Qf
⋅
LC
⋅
----------------------------
s
2
π f
LC
⋅
-------------------

 2
++
-------------------------------------------------------------------------
=
f
LC
1
2
π
LC
OUT
⋅
1
ESR
R
OUT
---------------
+
⋅⋅
------------------------------------------------------------------------
=
f
zESR
1
2
π ESR C
OUT
⋅⋅
--------------------------------------------
=
,



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 41 42


датащи скачать

Go To PDF Page


ссылки URL



Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   Ссылка на техническое описание    |   обмен ссыками   |   поиск по производителю
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