BD3540NUV, BD3541NUV

Technical Note

2/16

www.rohm.com

2009.04 - Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

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Absolute maximum ratings

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BD3540NUV, BD3541NUV

Parameter

Symbol

Limit

Unit

BD3540NUV

BD3541NUV

Input Voltage 1

+6.0 *

1

V

Input Voltage 2

+6.0 *

1

V

Enable Input Voltage

-0.3～+6.0

V

PGOOD Input Voltage

+6.0

*1

V

Power Dissipation 1

Pd1

0.70

*2

W

Power Dissipation 2

Pd2

1.27

*2

W

Power Dissipation 3

Pd3

3.03

*2

W

Operating Temperature Range

Topr

-10～+100

℃

Storage Temperature Range

Tstg

-55～+150

℃

Junction Temperature

Tjmax

+150

℃

*1 Should not exceed Pd.

*2 Reduced by 5.6mW/℃ for each increase in Ta≧25℃ (when mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, 1-layer)

On less than 0.2% (percentage occupied by copper foil.

*3 Reduced by 10.1mW/℃ for each increase in Ta≧25℃ (when mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, 1-layer)

On less than 7.0% (percentage occupied by copper foil.

*4 Reduced by 24.2mW/℃ for each increase in Ta≧25℃ (when mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, 1-layer)

On less than 65.0% (percentage occupied by copper foil.

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Operating Voltage(Ta=25℃)

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BD3540NUV, BD3541NUV

Parameter

Symbol

Min.

Max.

Unit

Input Voltage 1

3.0

5.5

V

Input Voltage 2

0.95

VCC-1

*1*5

V

Output Voltage

-

BD3540NUV

BD3541NUV

A

0.5

1.0

PGOOD Input Voltage

-0.3

5.5

V

Output Voltage Setting Range

Vo

2.7

V

Enable Input Voltage

Ven

0

5.5

V

*5 VCC and VIN do not have to be implemented in the order listed.

*This product is not designed for use in radioactive environments.

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Attention : About this document

The official specification of this product (BD354XNUV) is the Japanese version.

This translation is intended only as a reference to understand the official version.

If there are any differences between the Japanese and this translated version, the official Japanese version takes priority.