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MB3883 Datasheet(Fiches technique) 5 Page - Fujitsu Component Limited.

Numéro de pièce MB3883
Description  6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
Télécharger  39 Pages
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Fabricant  FUJITSU [Fujitsu Component Limited.]
Site Internet  http://edevice.fujitsu.com/fmd/en/index.html
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 5 page
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MB3883
5
(Continued)
Pin No.
Symbol
I/O
Descriptions
OSC
25
RT
Triangular wave frequency setting resistor connection pin.
26
CT
Triangular wave frequency setting capacitor connection pin.
27
VB
O
Triangular wave oscillator regulator output pin.
Control
1
SWOUT
O
Output switch control circuit output pin.
2
SWIN
I
Output switch control circuit input pin.
20
CTL
I
Power supply, CH6 control pin.
“H” level : Power supply CH6 operating mode
“L” level : Standby mode
21
CTL1, 2
I
CH1, CH2 control pin.
When CTL1, 2 pin
= “H” level
“H” level : CH1, CH2 operating mode
“L” level : CH1, CH2 OFF mode
22
CTL3
I
CH3 control pin.
When CTL3 pin
= “H” level
“H” level : CH3 operating mode
“L” level : CH3 OFF mode
23
CTL4
I
CH4 control pin.
When CTL4 pin
= “H” level
“H” level : CH4 operating mode
“L” level : CH4 OFF mode
24
CTL5
I
CH5 control pin.
When CTL5 pin
= “H” level
“H” level : CH5 operating mode
“L” level : CH5 OFF mode
18
CSCP
Short protection circuit capacitor connection pin.
15
CS
CH1to CH5 soft start circuit capacitor connection pin.
Power
19
VCC
Reference voltage and control circuit power supply pin.
42
VCC (O)
Output circuit power supply pin.
16
VREF
O
Reference voltage output pin.
17
GND
Ground pin.
44
GND (O)
Output circuit ground pin.




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