Technical Note

8/26

www.rohm.com

2010.12 - Rev.A

© 2010 ROHM Co., Ltd. All rights reserved.

BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,

BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG

0

200

400

600

800

0

50

100

150

AMBIENT TEMPERATURE [℃]

0

5

10

15

20

-60

-30

0

30

60

90

120

AMBIENT TEMPERATURE [℃]

0

10

20

30

40

50

0

0.5

1

1.5

2

2.5

3

OUTPUT VOLTAGE [V]

0

200

400

600

800

1000

23

456

SUPPLY VOLTAGE [V]

0

200

400

600

800

0

50

100

150

AMBIENT TEMPERATURE [℃]

0

1

2

3

4

5

6

12

345

6

SUPPLY VOLTAGE [V]

0

5

10

15

20

23

4

5

6

SUPPLY VOLTAGE [V]

0

10

20

30

40

50

-60

-30

0

306090

120

AMBIENT TEMPERATURE [℃]

0

200

400

600

800

1000

-60

-30

0

306090

120

AMBIENT TEMPERATURE [℃]

0

1

2

3

4

5

6

-60

-30

0

30

60

90

120

AMBIENT TEMPERATURE [℃]

0

5

10

15

20

-60-30

0

30

60

90120

AMBIENT TEMPERATURE [℃]

0

20

40

60

80

0.0

0.5

1.0

1.5

2.0

2.5

3.0

OUTPUT VOLTAGE [V]

Output Source Current – Ambient Temperature

(VOUT=VDD-0.4[V])

●

Reference Data (BU7291 family)

(*)The above data is ability value of sample, it is not guaranteed.BU7291G: -40[℃] ~ +85[℃] BU7291SG: -40[℃] ~ +105[℃]

-40℃

25℃

85℃

BU7291 family

105℃

5.5V

2.4V

3.0V

BU7291 family

-40℃

25℃

85℃

105℃

BU7291 family

2.4V

5.5V

3.0V

BU7291 family

-40℃

25℃

85℃

105℃

BU7291 family

2.4V

5.5V

3.0V

BU7291 family

2.4V

5.5V

3.0V

BU7291 family

-40℃

25℃

85℃

105℃

BU7291 family

BU7291G

85

BU7291 family

105

BU7291 family

BU7291SG

2.4V

5.5V

3.0V

BU7291 family

-40℃

25℃

85℃

105℃

BU7291 family

Fig.1

Fig.2

Fig.3

Fig.4

Fig.5

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Fig.12

Supply Current – Supply Voltage

Derating curve

Derating curve

Supply Current

– Ambient Temperature

Output Voltage High

– Supply Voltage (RL=10[kΩ])

Output Voltage High

– Ambient Temperature (RL=10[kΩ])

Output Voltage Low

– Supply Voltage (RL=10[kΩ])

Output Voltage Low

– Ambient Temperature (RL=10[kΩ])

Output Source Current

– Output Voltage (VDD=3[V])

Output Sink Current – Ambient Temperature

(VOUT=VSS+0.4[V])

Output Sink Current – Output Voltage

(VDD=3[V])