BP5220A datasheet(7/9 Pages) ROHM

Part #	BP5220A

Description	Step-down DC/DC Converters(Non-isolated)

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Data Sheet

BP5220A/BP5221A/BP5222A

BP5222A

025

50

70

0.5

0.4

0.3

0.2

0.1

100

120

0.6

Vi=15 to 20V

Vi=30V

Vi=38V

Fig.16 Derating curve

100

80

60

40

20

0

0.1

0.2

0.3

0.4

0.5

Vi=30V

Vi=23V

Vi=38V

Fig.17 Efficiency

+

97

+

654321

BP5220A / BP5221A / BP5222A

Pin 9 sink current

Voltage difference

between pins 2 and 9

Fig.19 ASO measurement circuit

Fig.18 Safety operation range

4.5A

10

2.2A

1

0.1

110

100

Pw=1ms

Pw=10ms

Tc=25

°C

SINGLE PULSE

VOLTAGE BETWEEN PIN2 AND PIN9 (V)

OUTPUT CURRENT : IO (A)

AMBIENT TEMPERATURE : Ta(

°C)

7/7

2010.03 -

Rev. B

www.rohm.com

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