BD9536FV_10 datasheet(7/19 Pages) ROHM

Part #	BD9536FV

Description	2ch Switching Regulator for Desktop PC

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Technical Note

7/18

BD9536FV

www.rohm.com

2010.07 - Rev.A

0

10

20

30

40

50

60

70

80

90

100

0.001

0.01

0.1

1

10

IOUT [A]

0.0

0.5

1.0

1.5

2.0

-10

1030

50

7090

Ta [℃]

Fig.13 VOUT2 transient response

VOUT2

(50mV/div)

HG2/LG2

(10V/div)

IOUT2

(5A/div)

Fig.15 Ta vs IIN (active)

(10µs/div)

0

1

2

3

4

5

6

7

8

9

10

-10

1030

5070

90

Ta [℃]

Fig.14 Ta vs IIN (standby)

100

4.0

4.5

5.0

5.5

6.0

-10

1030

50

7090

Ta [℃]

100

0.80

0.82

0.84

0.86

0.88

0.90

-10

10

30507090

Ta [℃]

100

-120

-110

-100

-90

-80

-10

10

30507090

Ta [℃]

100

Fig.19 Ta vs SCP threshold (2ch)

Fig.20 Ta vs delay setting voltage

Fig.21 Ta vs OCP threshold

100

1.0

1.1

1.2

1.3

1.4

1.5

-10

1030

50

7090

Ta [℃]

100

0.40

0.44

0.48

0.52

0.56

0.60

-10

10

3050

7090

Ta [℃]

100

Fig.16 Ta vs VREG5V

Fig.17 Ta vs OVP threshold

Fig.18 Ta vs SCP threshold (1ch)

Fig.22 efficiency (1ch)

0

10

20

30

40

50

60

70

80

90

100

0.001

0.01

0.1

1

10

IOUT [A]

0.40

0.44

0.48

0.52

0.56

0.60

-10

10

30

507090

Ta [℃]

100

Fig.23 efficiency (2ch)

0.50

0.54

0.58

0.62

0.66

0.70

-10

10

305070

90

Ta [℃]

100

Fig.24 Ta vs REF

REF1

REF2

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