Technical Note

2/23

BD4156MUV

www.rohm.com

2009.05 - Rev.A

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c

2009 ROHM Co., Ltd. All rights reserved.

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ABSOLUTE MAXIMUM RATINGS

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BD4156MUV

Parameter

Symbol

Limit

Unit

Input Voltage

V3AUX_IN, V3_IN, V15_IN

-0.3～5.0 *

11

V

Logic Input Voltage 1

EN,CPPE#,CPUSB#,SYSR,

PERST_IN#,RCLKEN

-0.3～V3AUX_IN+0.3 *

11

V

Logic Output Voltage 1

RCLKEN

-0.3～V3AUX_IN+0.3 *

11

V

Logic Output Voltage 2

PERST#

-0.3～V3AUX_IN+0.3

V

Output Voltage

V3AUX,V3, V15

-0.3～5.0 *

11

V

Output Current 1

IOV3AUX

1.0

A

Output Current 2

IOV3

2.0

A

Output Current 3

IOV15

2.0

A

Power Dissipation 1

Pd1

0.34 *

12

W

Power Dissipation 2

Pd2

0.70 *

13

W

Operating Temperature Range

Topr

-40～+100

℃

Storage Temperature Range

Tstg

-55～+150

℃

Maximum Junction Temperature

Tjmax

+150

℃

*11 Not to exceed Pd.

*12 Reduced by 2.7mW for each increase in Ta of 1℃ over 25℃

*13 Reduced by 5.6mW for each increase in Ta of 1℃ over 25℃(When mounted on a board 70mm×70mm×1.6mm Glass-epoxy PCB).

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OPERATING CONDITIONS (Ta=25℃)

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BD4156MUV

Parameter

Symbol

MIN

MAX

Unit

Input Voltage 1

V3AUX_IN

3.0

3.6

V

Input Voltage 2

V3_IN

3.0

3.6

V

Input Voltage 3

V15_IN

1.35

1.65

V

Logic Input Voltage 1

EN

-0.3

3.6

V

Logic Input Voltage 2

CPPE#,CPUSB#,SYSR,

PERST_IN#,RCLKEN

0

V3AUX_IN

V

Logic Output Voltage 1

RCLKEN

0

V3AUX_IN

V

Logic Output Voltage 2

PERST#

0

V3AUX_IN

V

Output Current 1

IOV3AUX

0

275

mA

Output Current 2

IOV3

0

1.3

A

Output Current 3

IOV15

0

650

mA

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This product is not designed to offer protection against radioactive rays.