BD90640HFP-CTR datasheet(9/44 Pages) ROHM

Part #	BD90640HFP-CTR

Description	1ch Step-Down Switching Regulator

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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BD906xx-C series

TSZ02201-0T1T0AL00130-1-2

www.rohm.com

TSZ22111・15・001

15.Sep.2015 Rev.005

Typical Performance Curves

– continued

0

10

20

30

40

50

60

70

80

90

100

0

1

2

3

Output Current : I

O[A]

450

460

470

480

490

500

510

520

530

540

550

-40

-20

0

20

40

60

80

100

120

Ambient Temperature : Ta[

˚C]

Figure 10. EN / SYNC Threshold Voltage

vs Ambient Temperature

Figure 9. Switching Frequency vs Ambient Temperature

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

-40

-20

0

20

40

60

80

100

120

Ambient Temperature : Ta [

˚C]

VIN = 13.2 V

RRT = 27 kΩ

Figure 12. Efficiency vs Output Current

0

50

100

150

200

250

300

350

400

450

0

5

10

15

20

25

30

35

40

EN / SYNC Voltage : V

EN / SYNC [V]

From Top

Ta = 125

°C

Ta = 25

°C

Ta = -40

°C

Figure 11. EN / SYNC Current vs EN / SYNC Voltage

BD90640HFP / EFJ-C IO<3.79 A

BD90620HFP / EFJ-C IO<2.29 A

BD90610EFJ-C IO<1.04 A

From Top

VO = 8.8 V

VO = 5 V

VO = 3.3 V

VIN = 13.2 V

fSW = 500 kHz

Ta = 25 °C

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BD90640HFP-CTR Datasheet(PDF) 9 Page - Rohm

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