Technical Note

2/15

www.rohm.com

2009.04 - Rev.B

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

BD95514MUV

●

Absolute Maximum Ratings (Ta=25°C)

Parameter

Symbol

Value

Unit

Input Voltage 1

VCC

7

*1

V

Input Voltage 2

7

*1

V

Input Voltage 3

AVIN

30

*1

Input Voltage 4

VIN

30

*1

V

External VCC Voltage

EXTVCC

7

*1

V

BOOT Voltage

BOOT

35

V

BOOT-SW Voltage

BOOT-SW

7

*1

V

Output Feedback Voltage

FB

VCC

V

SS/FS/MODE Voltage

SS/FS/MODE

VCC

V

VCC

V

EN/CTL Input Voltage

EN/CTL

7

*1

V

PGOOD Voltage

PGOOD

7

*1

V

Output Current (Average)

Isw

4

*1

A

Power Dissipation 1

Pd1

0.38

*2

W

Power Dissipation 2

Pd2

0.88

*3*6

W

Power Dissipation 3

Pd3

2.06

*4*6

W

Power Dissipation 4

Pd4

4.56

*5*6

W

Operating Temperature Range

Topr

-10～+100

°C

Storage Temperature Range

Tstg

-55～+150

°C

Junction Temperature

Tjmax

+150

°C

*1 Do not exceed Pd.

*2 Ta≧25°C (IC only), power dissipated at 3.0mW / °C.

*3 Ta≧25°C (single-layer board, 20.2 mm

*4 Ta≧25°C (4-layer board, 10.29 mm

*5 Ta≧25°C (4-layer board, all layers with 5505 mm

*6 Values observed with chip backside soldered. When unsoldered, power dissipation is lower.

●

Operating Conditions (Ta=25°C)

Parameter

Symbol

Min

Max

Unit

Input Voltage 1

VCC

4.5

5.5

V

Input Voltage 2

4.5

5.5

V

Input Voltage 3

AVIN

4.5

28

V

Input Voltage 4

VIN

4.5

28

V

External VCC Voltage

EXTVCC

4.5

5.5

V

BOOT Voltage

BOOT

4.5

33

V

SW Voltage

SW

-0.7

28

V

BOOT-SW Voltage

BOOT-SW

4.5

5.5

V

MODE Input Voltage

MODE

0

5.5

V

EN/CTL Input Voltage

EN/CTL

0

5.5

V

PGOOD Voltage

PGOOD

0

5.5

V

Minimum On Time

tonmin

-

100

nsec

*This product is not designed for use in a radioactive environment.