BD8160AEFV datasheet(4/19 Pages) ROHM

Part #	BD8160AEFV

Description	12V Input Multi-channel System Power Supply IC

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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4 / 19 page

BD8160AEFV

Technical Note

4/18

www.rohm.com

2009.07 - Rev.B

●

Reference Data (Unless otherwise specified, Ta = 25°C)

Fig.1 SUPPLY CURRENT

Fig.2 SUPPLY CURRENT

Fig.3 STANDBY CURRENT

4

4.2

4.4

4.6

4.8

5

8

1012

1416

18

VIN : [V]

0

100

200

300

400

500

600

700

8

101214

16

18

VIN : [V]

-10

-8

-6

-4

-2

0

2

4

6

8

10

8

1012

1416

18

AVIN : [V]

0

100

200

300

400

500

600

700

800

-40 -30 -20 -10 0

1020 304050607080

Ta : [℃]

750 kHz

500 kHz

Fig.5 SWITCHING FREQUENCY

Fig.4 REF VOLTAGE

Fig.6 SS SOURCE CURRENT

10

10.5

11

11.5

12

-40 -30 -20 -10 0

1020 30405060 7080

Ta : [℃]

1.207

1.208

1.209

1.210

1.211

1.212

1.213

1.214

1.215

1.216

1.217

-40 -30 -20 -10 0 1020 3040 50 6070 80

Ta : [℃]

Fig.7 DLY1,2 SOURCE CURRENT

Fig.8 INPUT BIAS CURRENT

Fig.9 INPUT BIAS CURRENT

5

5.2

5.4

5.6

5.8

6

6.2

6.4

6.6

6.8

7

-40 -30 -20 -10 0

1020 30405060 7080

Ta : [℃]

-0.06

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.1

0

0.5

1

1.5

2

VFB, VFBB [V]

-0.1

-0.08

-0.06

-0.04

-0.02

0

0.02

0.04

0.06

0.08

0.1

0

0.5

1

1.5

2

VFBP, VFBN [V]

Fig.10 EN1 THRESHOLD VOLTAGE

Fig.12 SW ON RESISTANCE

Fig.11 EN2 THRESHOLD VOLTAGE

0

0.5

1

1.5

2

2.5

00.5

11.5

2

VEN1 ［V］

0

2

4

6

8

10

12

14

0

0.5

1

1.5

2

VEN2 [V]

0

0.05

0.1

0.15

0.2

0.25

0.3

-40 -30 -20 -10 0 10 203040 50607080

Ta [℃]

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