MB3881 datasheet(36/40 Pages) FUJITSU

No de pièce	MB3881

Description	8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

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Fabricant	FUJITSU [Fujitsu Component Limited.]

Site Internet	http://edevice.fujitsu.com/fmd/en/index.html

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36 / 40 page

MB3881

36

s

s REFERENCE DATA

(Continued)

95

94

93

92

91

90

89

88

87

86

85

0

50 100 150 200 250 300 350 400 450 500

Vin

= 2.5 V

Vin

= 3 V

Vin

= 3.6 V

Vin

= 4.2 V

Vin

= 6 V

A

R1

240

Ω

C15

2200 pF

Vin

Iin

IL

C37

Q1

VO1

(2.0 V)

L2

D1

Q9

1

µF

C1

2.2

µF

33

µH

η =

× 100 (%)

VO1

× IL

Vin

× Iin

90

88

86

84

82

80

78

76

74

72

70

0

50 100 150 200 250 300 350 400 450 500

Vin

= 2.5 V

Vin

= 3 V

Vin

= 3.6 V

Vin

= 4.2 V

Vin

= 6 V

B

R2

75

Ω

C16

3900 pF

Vin

Iin

IL

C38

C10

Q2

VO2

(2.8 V)

L4

D2

Q10

1

µF

C2

2.2

µF

2.2

µF

15

µH

L3

15

µH

η =

× 100 (%)

VO2

× IL

Vin

× Iin

Conversion efficiency vs. load current

(CH1 : Down conversion method with synchronous rectification)

Load current IL (mA)

Conversion efficiency vs. load current

(CH2 : Zeta method with synchronous rectification)

Load current IL (mA)

Ta

= +25 °C

2 V output

VCC (O)

= Vin + 2.2 V

VSS (O)

= Vin − 1.8 V

Ta

= +25 °C

2.8 V output

VCC (O)

= Vin + 2.2 V

VSS (O)

= Vin − 1.8 V

To OUT1-1

To OUT1-2

To OUT2-1

To OUT2-2

Numéro de pièce similaire - MB3881

Fabricant	No de pièce	Fiches technique	Description
Fujitsu Component Limit...	MB3882	254Kb / 30P	2-channel DC/DC Converter IC with Synchronous Rectifier
	MB3882PFV	254Kb / 30P	2-channel DC/DC Converter IC with Synchronous Rectifier
	MB3883	473Kb / 39P	6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
	MB3883	452Kb / 40P	6-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
	MB3883PFV	473Kb / 39P	6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

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Description similaire - MB3881

Fabricant	No de pièce	Fiches technique	Description
Fujitsu Component Limit...	MB3883	452Kb / 40P	6-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down
	MB3827	557Kb / 41P	6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
	MB3883	473Kb / 39P	6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
Linear Technology	LT3433	238Kb / 16P	High Voltage Step-Up/Step-Down DC/DC Converter
	LT3433	183Kb / 12P	High Voltage Step-Up/Step-Down DC/DC Converter
	LT3433	243Kb / 16P	High Voltage Step-Up/Step-Down DC/DC Converter
Diodes Incorporated	AP3405	574Kb / 9P	600mA Step-down DC/DC Converter with Synchronous Rectifier
Diodes Incorporated	AP3403	598Kb / 9P	600mA STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER
RICOH electronics devic...	R1232D	845Kb / 24P	PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER
Panasonic Semiconductor	AN8014S	151Kb / 18P	Step-down, step-up, or inverting DC-DC converter control IC

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MB3881 Fiches technique(PDF) 36 Page - Fujitsu Component Limited.

MB3881 Fiches technique(HTML) 36 Page - Fujitsu Component Limited.

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Description similaire - MB3881

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