BD2046AFJ_09 datasheet(2/14 Pages) ROHM

Part #	BD2046AFJ

Description	2ch Small Current Output USB High Side Switch ICs

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Manufacturer	ROHM [Rohm]

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BD2046AFJ, BD2056AFJ

Technical Note

2/13

www.rohm.com

2009.05 - Rev.A



Electrical characteristics

○

BD2046AFJ (Unless otherwise specified, VIN = 5.0V, Ta = 25°C)

Parameter

Symbol

Limits

Unit

Condition

Min.

Typ.

Max.

Operating Current

IDD

-

110

140

μA

V/EN = 0V, OUT = OPEN

Standby Current

ISTB

-

0.01

1

μA

V/EN = 5V, OUT = OPEN

/EN input voltage

V/EN

2.0

-

V

High input

-

0.8

V

Low input

-

0.4

V

Low input 2.7V≤ VIN ≤4.5V

/EN input current

I/EN

-1.0

0.01

1.0

μA

V/EN = 0V or V/EN = 5V

/OC output LOW voltage

V/OC

-

0.5

V

I/OC = 5mA

/OC output leak current

IL/OC

-

0.01

1

μA

V/OC = 5V

ON resistance

RON

-

100

130

mΩ

IOUT = 250mA

Output current at short

ISC

0.3

0.5

0.7

A

VIN = 5V, VOUT = 0V,

CL = 100μF (RMS)

Output rise time

TON1

-

1.8

10

ms

RL = 20Ω , CL = OPEN

Output turn on time

TON2

-

2.1

20

ms

Output fall time

TOFF1

-

1

20

μs

Output turn off time

TOFF2

-

3

40

μs

UVLO threshold

VTUVH

2.1

2.3

2.5

V

Increasing VIN

VTUVL

2.0

2.2

2.4

V

Decreasing VIN

○

BD2056AFJ (Unless otherwise specified, VIN = 5.0V, Ta = 25°C)

Parameter

Symbol

Limits

Unit

Condition

Min.

Typ.

Max.

Operating Current

IDD

-

110

140

μA

VEN = 5V , OUT = OPEN

Standby Current

ISTB

-

0.01

1

μA

VEN = 0V , OUT = OPEN

/EN input voltage

VEN

2.0

-

V

High input

-

0.8

V

Low input

-

0.4

V

Low input 2.7V≤ VIN ≤4.5V

/EN input current

IEN

-1.0

0.01

1.0

μA

VEN = 0V or VEN = 5V

/OC output LOW voltage

V/OC

-

0.5

V

I/OC = 5mA

/OC output leak current

IL/OC

-

0.01

1

μA

V/OC = 5V

ON resistance

RON

-

100

130

mΩ

IOUT = 250mA

Output current at short

ISC

0.3

0.5

0.7

A

VIN = 5V , VOUT = 0V,

CL = 100μF (RMS)

Output rise time

TON1

-

1.8

10

ms

RL = 20Ω , CL = OPEN

Output turn on time

TON2

-

2.1

20

ms

Output fall time

TOFF1

-

1

20

μs

Output turn off time

TOFF2

-

3

40

μs

UVLO threshold

VTUVH

2.1

2.3

2.5

V

Increasing VIN

VTUVL

2.0

2.2

2.4

V

Decreasing VIN

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