MB3875 データシートの表示（PDF） - Fujitsu

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MB3875

DC/DC Converter IC for Charging

Fujitsu 

MB3875/3877

s ABSOLUTE MAXIMUM RAGINGS

Parameter

Symbol

Conditions

Rating

Unit

Min

Max

Power supply voltage

VCC

VCC,VCC(O)

—

28

V

Output current

IOUT

—

—

60

mA

Peak output current

IOUT Duty ≤ 5% (t =1 / fOSC × Duty)

—

500

mA

Power dissipation

PD Ta ≤ +25°C

—

740*

mW

Storage temperature

Tstg

—

–55

+125

°C

*: The package is mounted on the dual-sided epoxy board (10 cm × 10 cm).

WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,

temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.

s RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Conditions

Value

Unit

Min

Typ

Max

Power supply voltage

VCC VCC,VCC(O)

7

—

25

V

Reference voltage output

current

IREF

—

–1

—

0

mA

VH pin output current

IVH

—

0

—

30

mA

VIN IN3

0

—

17

V

Input voltage

VINE –INE1,–INE2,+INE1,+INE2

0

—

VCC – 1.8

V

VINC +INC1,+INC2,–INC1,–INC2,

0

—

VCC

V

CTL pin input voltage

VCTL

—

0

—

25

V

Output current

IOUT

—

–45

—

45

mA

Peak output current

IOUT Duty ≤ 5% (t =1 / fOSC × Duty) –450

—

450

mA

Oscillator frequency

fOSC

—

100

290

500

kHz

Timing resistor

RT

—

33

47

130

kΩ

Soft-start capacitor

CS

—

—

2200

100000 pF

VH pin capacitor

CVH

—

—

0.1

1.0

µF

Reference voltage output

capacitor

CREF

—

—

0.1

1.0

µF

Operating temperature

Ta

—

–30

+25

+85

°C

WARNING: The recommended operating conditions are required in order to ensure the normal operation of the

semiconductor device. All of the device’s electrical characteristics are warranted when the device is

operated within these ranges.

Always use semiconductor devices within their recommended operating condition ranges. Operation

outside these ranges may adversely affect reliability and could result in device failure.

No warranty is made with respect to uses, operating conditions, or combinations not represented on

the data sheet. Users considering application outside the listed conditions are advised to contact their

FUJITSU representatives beforehand.

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