UMF19N datasheet(3/5 Pages) ROHM

Part #	UMF19N

Description	Power management (dual transistors)

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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3 / 5 page

EMF19 / UMF19N

Transistors

Rev.A

3/4

Electrical characteristic curves

Tr1

0

0.1

0.2

0.5

2

20

50

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1

5

10

VCE=

6V

BASE TO EMITTER VOLTAGE : VBE

(V)

Fig.1 Grounded emitter propagation

characteristics

0

20

40

60

80

100

0.4

0.8

1.2

1.6

2.0

0

COLLECTOR TO EMITTER VOLTAGE : VCE

(V)

0.05mA

0.10mA

0.15mA

0.25mA

0.30mA

0.35mA

0.20mA

Ta=25˚C

IB=0A

0.40mA

0.50mA

0.45mA

Fig.2 Grounded emitter output

characteristics ( I )

0

2

8

10

4

8

12

16

4

6

20

IB=0A

Ta=25˚C

COLLECTOR TO EMITTER VOLTAGE : VCE

(V)

3

µA

6

µA

9

µA

12

µA

15

µA

18

µA

21

µA

24

µA

27

µA

30

µA

Fig.3 Grounded emitter output

characteristics ( II )

0.2

20

10

0.5

1

2

5

10 20

50 100 200

50

100

200

500

VCE=5V

3V

1V

Ta=25˚C

COLLECTOR CURRENT : IC

(mA)

Fig.4 DC current gain vs. collector

current ( I )

0.2

0.5

1

2

5

10 20

50 100 200

20

10

50

100

200

500

25˚C

−55˚C

Ta=100˚C

VCE=

5V

COLLECTOR CURRENT : IC

(mA)

Fig.5 DC current gain vs. collector

current ( II )

0.2

0.5

1

2

5

10

20

50 100 200

0.01

0.02

0.05

0.1

0.2

0.5

IC/IB=50

20

10

Ta=25˚C

COLLECTOR CURRENT : IC

(mA)

Fig.6 Collector-emitter saturation

voltage vs. collector current

0.2

COLLECTOR CURRENT : IC

(mA)

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

20

50 100 200

IC/IB=50

20

10

Ta=25˚C

Fig.7 Collector-emitter saturation

voltage vs. collector current ( I )

0.2

COLLECTOR CURRENT : IC

(mA)

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

20

50 100 200

IC/IB=10

Ta=100˚C

25˚C

−55˚C

Fig.8 Collector-emitter saturation

voltage vs. collector current ( II )

COLLECTOR CURRENT : IC

(mA)

0.2

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

20

50 100

IC/IB=50

Ta=100˚C

25˚C

−55˚C

Fig.9 Collector-emitter saturation

voltage vs. collector current ( III )

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