MB3842 データシートの表示（PDF） - Fujitsu

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MB3842

Power Management 2-ch Switch IC

Fujitsu 

MB3842/MB3845

s ELECTRICAL CHARACTERISTICS (per 1 ch)

• MB3842/MB3845

Parameter

Symbol

Condition

Switch resistance

IN pin input current

UVLO threshold

UVLO hysteresis width

Switch current limit

OC sink current

Temperature protection (Tj)

OUT pin rise time

OUT pin fall time

RON

IIN1

IIN2

IIN3

VIUH

VIUL

VIUHY

ISWH

ISWL

IOCS

IOCL

TLIM

tON

tOFF

ISW =0.6A

ISW = 0 A

ISW = 0.6 A

EN < 0.8V for MB3842,

EN = VIN for MB3845

VIN at OC = L → H

VIN at OC = H → L

VIUHY = VIUH – VIUL

RLIM = 2.0 kΩ

RLIM = 6.2 kΩ

VOC = 0.4 V at OC active

VOC = 5.0 V at OC non-active

—

SS pin: Open

OUT pin: 100 kΩ pull down

SS pin: Open

OUT pin: 100 kΩ pull down

• MB3842

Parameter

Symbol

Condition

ENABLE pin input current

ENABLE pin threshold

voltage

ENABLE hysteresis width

IENH

IENL

VTHEN

VTLEN

VENHY

VEN = 5 V, ISW = 0 A

VEN = 0 V, ISW = 0 A

—

—

VENHY = VTHEN – VTLEN

• MB3845

Parameter

Symbol

Condition

ENABLE pin input current

ENABLE pin input voltage

IENH

IENL

VILEN

VIHEN

VEN = 5 V, ISW = 0 A

VEN = 0 V, ISW = 0 A

—

—

6

Min.

—

—

—

(VIN = 5 V, Ta = +25°C)

Value

Unit

Typ. Max.

100 150 mΩ

350 550 µA

1.0

1.5 mA

—

—

1.0 µA

2.1

2.3

2.5

V

1.9

2.1

2.3

V

100 200 300 mV

0.42 0.6 0.78 A

0.06 0.1 0.14 A

2.0

5.0

— mA

—

—

1.0 µA

+125 —

— °C

—

100 200 µs

—

50

120 µs

Min.

—

—

1.45

1.25

100

(VIN = 5 V, Ta = +25°C)

Value

Unit

Typ. Max.

5

10 µA

0.0

— µA

1.60 1.75 V

1.40 1.55 V

200 300 mV

Min.

—

—

0

3.0

(VIN = 5 V, Ta = +25°C)

Value

Unit

Typ. Max.

0.0

— µA

0.0

— µA

—

0.8

V

—

5.0

V

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