Moteur de recherche de fiches techniques de composants électroniques
Selected language     French  ▼
Nom de la pièce
         Description


MB3881 Datasheet(Fiches technique) 4 Page - Fujitsu Component Limited.

Numéro de pièce MB3881
Description  8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
Télécharger  40 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricant  FUJITSU [Fujitsu Component Limited.]
Site Internet  http://edevice.fujitsu.com/fmd/en/index.html
Logo 

 
 4 page
background image
MB3881
4
(Continued)
Pin No.
Symbol
I/O
Descriptions
CH8
4
FB8
O
Error amplifier output pin.
5
−IN8
I
Error amplifier inverted input pin.
6
+IN8
I
Error amplifier non-inverted input pin.
7
−IN8 (C)
I
Short detection comparator inverted input pin.
8
+IN8 (C)
I
Short detection comparator non-inverted input pin.
3
DTC8
I
Dead time control pin.
2RB8
Output current setting pin.
64
OUT8
O
Output pin.
OSC
33
RT
Triangular wave frquency setting resistor connection pin.
34
CT
Triangular wave frquency setting capacitor connection pin
35
SYNC
I
External synchronous signal input pin.
Control
28
CTL-1
I
Power supply, CH 1, 3, 4, 8 control circuit.
“H” level : Power supply operating mode
“L”level : Standby mode
29
CTL-2
I
CH 2 control circuit.
•CTL-1pin = “H” level
“H” level : CH2 operating mode
“L” level : CH2 OFF mode
30
CTL-3
I
CH5, 6 control circuit.
•CTL-1pin = “H” level
“H” level : CH5, CH6 operating mode
“L” level : CH5, CH6 OFF mode
31
CTL-4
I
CH7 control circuit.
•CTL-1pin = “H” level
“H” level : CH7 operating mode
“L” level : CH7 OFF mode
26
CSCP
Short protection circuit capacitor connection pin.
32
CS
CH1, 2, 3, 4, 7 soft start circuit capacitor connection pin.
Power
27
VCC
Reference voltage and control circuit power supply pin.
58
VCC (O) -1
CH1, 2, 3, 4 output circuit power supply pin.
59
VCC (O) -2
CH5, 6, 7, 8 output circuit power supply pin.
49
VSS (O) -1
CH1, 2, 3, 4 output circuit power supply pin.
63
VSS (O) -2
CH5, 6, 7 output circuit power supply pin.
52
VDD (O)
CH1, 2 synchronous rectifier side output circuit power supply pin.
24
VREF
O
Refernce voltage output pin.
36
VB
O
Triangular wave oscillator regulator output pin.
25
GND
Ground pin.
55
GND (O) -1
CH1, 2, 3, 4 output circuit ground pin.
1
GND (O) -2
CH5, 6, 7, 8 output circuit ground pin.




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 


Datasheet Download



Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
MB38276-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down 1 2 3 4 5 MoreFujitsu Component Limited.
MB38836-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down 1 2 3 4 5 MoreFujitsu Component Limited.
MAX797HHigh-Voltage Step-Down Controller with Synchronous Rectifier for CPU Power 1 2 3 4 5 MoreMaxim Integrated Products
XC9509Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel plus Voltage Detector 1 2 3 4 5 MoreTorex Semiconductor
TB7001FLFor high current and low voltage applications Synchronous buck converter module 1 2 3 4 5 MoreToshiba Semiconductor
MAX798High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power 1 2 3 4 5 MoreMaxim Integrated Products
RS5RJVFM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR 1 2 3 4 5 MoreRICOH electronics devices division
LM3370Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function 1 2 3 4 5 MoreNational Semiconductor (TI)
RS5RMPWM STEP-UP DC/DC CONVERTER WITH VOLTAGE REGULATOR AND DETECTOR  1 2 3 4 5 MoreRICOH electronics devices division
ST777LOW VOLTAGE INPUT 3-3.3V/5V/ADJUSTABLE OUTPUT DC-DC CONVERTER WITH SYNCHRONOUS RECTIFIER 1 2 3 4 5 MoreSTMicroelectronics

Lien URL

AllDATASHEET vous a-t-il été utile ?   [ DONATE ]  

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Favoris   |   Echange de liens   |   Fabricants
All Rights Reserved © Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  , 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