2/20

●Absolute maximum ratings

Parameter

Symbol

Limit

Unit

BD3522EFV

BD35221EFV

BD35222EFV

Input Voltage 1

VCC

6.0 *

1

V

Input Voltage 2

VIN

6.0 *

1

V

Maximum Output Current

IO

4*

1

A

Enable Input Voltage

Ven

6.0

V

Power Dissipation 1

Pd1

1.00

*2

W

Power Dissipation 2

Pd2

1.45

*3

W

Power Dissipation 3

Pd3

2.31

*4

W

Power Dissipation 4

Pd4

3.20

*5

W

Operating Temperature Range

Topr

-10～+100

℃

Storage Temperature Range

Tstg

-55～+125

℃

Maximum Junction Temperature

Tjmax

+150

℃

*1 Should not exceed Pd.

*2 Reduced by 8mW/℃ for each increase in Ta≧25℃ (when mounted on a 70mm×70mm×1.6mm glass-epoxy board, no copper foil area)

*3 Reduced by 11.6mW/℃ for each increase in Ta≧25℃ (when mounted on a 70mm×70mm×1.6mm glass-epoxy board, 2-layer,

copper foil area : 15mm×15mm)

*4 Reduced by 18.5mW/℃ for each increase in Ta≧25℃ (when mounted on a 70mm×70mm×1.6mm glass-epoxy board, 2-layer,

copper foil area : 70mm×70mm)

*5 Reduced by 25.6mW/℃ for each increase in Ta≧25℃ (when mounted on a 70mm×70mm×1.6mm glass-epoxy board, 4-layer,

copper foil area : 70mm×70mm)

●Operating Voltage(Ta=25℃)

Parameter

Symbol

BD3522EFV

BD35221EFV

BD35222EFV

Unit

Min.

Max.

Min.

Max.

Min.

Max.

Input Voltage 1

VCC

4.3

5.5

4.3

5.5

4.3

5.5

V

Input Voltage 2

VIN

0.7

VCC-1 *

6

1.25

VCC-1 *

6

1.55

VCC-1 *

6

V

Output Voltage Setting Range

Vo

VFB

2.7

1.2 (fixed)

1.5 (fixed)

V

Enable Input Voltage

Ven

-0.3

5.5

-0.3

5.5

-0.3

5.5

V

NRCS Capacity

CNRCS

0.001

1

0.001

1

0.001

1

μF

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

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