поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

ACE705247BM+ датащи(PDF) 7 Page - ACE Technology Co., LTD.

номер детали ACE705247BM+
подробное описание детали  High efficiency, Low supply current, step-up DC/DC Controller
Download  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  ACE [ACE Technology Co., LTD.]
домашняя страница  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE705247BM+ датащи(HTML) 7 Page - ACE Technology Co., LTD.

Back Button ACE705247BM+ Datasheet HTML 3Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 4Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 5Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 6Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 7Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 8Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 9Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 10Page - ACE Technology Co., LTD. ACE705247BM+ Datasheet HTML 11Page - ACE Technology Co., LTD. Next Button
Zoom Inzoom in Zoom Outzoom out
 7 / 14 page
background image
 
                                                                                                                      
ACE705
                        Technology
High efficiency, multi-funtion step-up
DC/DC Controller
VER 1.2
7
(2)Output Capacitor Selection
Ignore ESR of capacitor,the ripple of output voltage is:
R=ΔVout / Vout=D / Rload Cf
So large value capacitor is needed to reduce ripple. But too large capacitor value will slow down system
reaction and cost will improve. So 100uF capacitor is recommended. Larger capacitor value will be used
in large output current system. If output current is small (<10mA), small value is needed.
Consider ESR of capacitor,ripple will increase:
r'=r+Imax‧RESR / Vout
When current is large, ripple caused by ESR will be main factor. It may be greater than 100mV。The ESR
will affects efficiency and increase energy loss. So low-ESR capacitor (for example: tantalum capacitor) is
recommend or connect two or more filter capacitors in parallel.
(3)Diode Selection
Rectifier diode will affects efficiency greatly,Though a common diode (such as 1N4148) will work well for
light load,it will reduce about 5%~10% efficiency for heavy load,For optimum performance, a Schottky
diode (such as 1N5817、1N5819、1N5822) is recommended.
(4)Input Capacitor
If supply voltage is stable, the DC-DC circuit can output low ripple, low noise and stable voltage without
input capacitor. If voltage source is far away from DC-DC circuit, input capacitor value greater than 10uF
is recommended.
(5)Vout~GND filter Capacitor
Because the chip’s switch current flows from Vout pin, then through the chip into GND pin. Therefore if
the output capacitor’s two pins were not very near the chip’s Vout pin and GND pin, Vout ‘s stable would
be affected. User will found that the output voltage will drop when load grows up if the output capacitor’s
two pin is not very near the chip’s Vout pin and GND pin. In this condition, 1nF ceramic capacitor is
recommended at very near the chip’s Vout pin and GND pin. So in all ACE705 application, two capacitors
are needed to obtain stable output voltage. The 100μF tantalum output capacitor is recommended to
stable output voltage nearby load. The 1nF Vout pin to GND pin ceramic filter capacitor is recommended
to stable chip’s sense voltage.


Аналогичный номер детали - ACE705247BM+

производительномер деталидатащиподробное описание детали
logo
ACE Technology Co., LTD...
ACE705225BM+H ACE-ACE705225BM+H Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
ACE705225BN+H ACE-ACE705225BN+H Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
ACE705230BM+H ACE-ACE705230BM+H Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
ACE705230BN+H ACE-ACE705230BN+H Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
ACE705260BM+H ACE-ACE705260BM+H Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
More results

Аналогичное описание - ACE705247BM+

производительномер деталидатащиподробное описание детали
logo
ACE Technology Co., LTD...
ACE705 ACE-ACE705_12 Datasheet
541Kb / 14P
   High efficiency, Low supply current, step-up DC/DC Controller
VER 1.4
logo
SHANGHAI BELLING CO., L...
BL8530C BELLING-BL8530C Datasheet
267Kb / 13P
   HIGH EFFICIENCY, LOW SUPPLY CURRENT, MULTI-FUNTION STEP-UP DC/DC CONTROLLER
logo
Richtek Technology Corp...
RT9263 RICHTEK-RT9263 Datasheet
196Kb / 10P
   HIGH EFFICIENCY LOW SUPPLY CURRENT STEP UP DC/DC CONVERTER
RT9262 RICHTEK-RT9262_07 Datasheet
142Kb / 10P
   High Efficiency, Low Supply Current, Step-up DC/DC Converter
RT9262 RICHTEK-RT9262 Datasheet
110Kb / 12P
   HIGH EFFICIENCY, LOW SUPPLY CURRENT, STEP-UP DC/DC CONVERTER
RT9263 RICHTEK-RT9263_07 Datasheet
116Kb / 8P
   High Efficiency, Low Supply Current, Step-Up DC/DC Converter
logo
Maxim Integrated Produc...
MAX1674 MAXIM-MAX1674 Datasheet
521Kb / 12P
   High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters
Rev 3; 3/00
logo
List of Unclassifed Man...
HWD20011 ETC1-HWD20011 Datasheet
798Kb / 13P
   High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters
logo
Silicon Standard Corp.
SS6628 SSC-SS6628 Datasheet
554Kb / 7P
   High-Efficiency Step-Up DC/DC Controller
logo
Analog Intergrations Co...
AIC1630A AIC-AIC1630A Datasheet
181Kb / 9P
   HIGH-EFFICIENCY STEP-UP DC/DC CONVERTER CONTROLLER
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14


датащи скачать

Go To PDF Page


ссылки URL




Конфиденциальность
ALLDATASHEETRU.COM
Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   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