BD9701FP/CP-V5/T/T-V5,BD9703FP/CP-V5/T/T-V5,BD9702CP-V5/T/T-V5

Technical Note

3/16

www.rohm.com

2009.04- Rev.B

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

●Electrical Characteristics

○BD9703FP/CP-V5/T/T-V5 (Unless otherwise noted, Ta=25℃,VCC=12V,Vo=5V,STBY=3V)

Parameter

Symbol

Limit

Unit

Conditions

MIN

TYP

MAX

Output ON Resistance

Ron

-

1.0

1.5

Ω

design guarantee

Efficiency

η

-

86

-

%

Io＝0.5A design guarantee

Switching Frequency

fosc

270

300

330

kHz

Load Regulation

ΔVOLOAD

-

10

40

mV

VCC=20V,Io=0.5～1.5A

Line Regulation

ΔVOLINE

-

40

100

mV

VCC=10～30V,Io=1.0A

Over Current Protection Limit

Iocp

1.6

-

-

A

INV Pin Threshold Voltage

VINV

0.98

1.00

1.02

V

INV Pin Threshold Voltage

Thermal Variation

ΔVINV

-

±0.5

-

%

Tj=0～85℃ design guarantee

INV Pin Input Current

IINV

-

1

-

μA

VINV=1.0V

STBY Pin

Threshold Voltage

ON

VSTBYON

2.0

-

36

V

OFF

VSTBYOFF

-0.3

-

0.3

V

STBY Pin Input Current

Istby

5

25

50

μASTBY=3V

Circuit Current

Icc

-

5

12

mA

Stand-by Current

Ist

-

0

5

μASTBY＝0V

●Electrical Characteristics

○BD9702FP/CP-V5/T/T-V5 (Unless otherwise noted, Ta=25℃,VCC=12V,Vo=5V,STBY=3V)

Parameter

Symbol

Limit

Unit

Conditions

MIN

TYP

MAX

Output ON Resistance

Ron

-

0.5

1.5

Ω

design guarantee

Efficiency

η

-

86

-

%

Io＝1A design guarantee

Switching Frequency

fosc

88

110

132

kHz

Load Regulation

ΔVOLOAD

-

10

40

mV

VCC=20V,Io=1～3A

Line Regulation

ΔVOLINE

-

40

100

mV

VCC=10～30V,Io=1.0A

Over Current Protection Limit

Iocp

3.2

-

-

A

INV Pin Threshold Voltage

VINV

0.98

1.00

1.02

V

INV Pin Threshold Voltage

Thermal Variation

ΔVINV

-

±0.5

-

%

Tj=0～85℃ design guarantee

INV Pin Input Current

IINV

-

1

-

μA

VINV=1.0V

STBY Pin

Threshold Voltage

ON

VSTBYON

2.0

-

36

V

OFF

VSTBYOFF

-0.3

-

0.3

V

STBY Pin Input Current

Istby

5

25

50

μASTBY=3V

Circuit Current

Icc

-

4

12

mA

Stand-by Current

Ist

-

0

5

μASTBY＝0V