BP5324A(2010) 查看數據表（PDF） - ROHM Semiconductor

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BP5324A
(Rev.:2010)

Isolated DC/DC Converter

ROHM Semiconductor 

Data Sheet

12V/250mA Output

Isolated DC/DC Converter

BP5324A

Absolute Maximum Ratings

Parameter

Input voltage

Maximum output current

Operating temperature range

Storage temperature range

Isolation voltage

Symbol

Vi

Iopeak

Topr

Tstg

VISO

Limits

7

250

−25 to +80

−25 to +85

500

Unit

V

mA

°C

°C

Vrms

Electrical Characteristics

(Ta=25°C)

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Input voltage range

Vi

4.5 5.0 5.5

V

Output voltage

Vo 11.4 12.0 12.6 V Vi=5V, Io=250mA

Output current

Line regulation

Io

0

−

250 mA Vi=5V

∗1

VL

− 0.01 0.05 V Vi=4.5 to 5.5V, Io=200mA

Load regulation

VR

− 0.23 0.5

V Vi=5V, Io=0 to 250mA ∗2

Output ripple voltage Vp

− 0.03 0.15 Vpp Vi=5V, Io=250mA

Power conversion efficiency η

65 74

−

% Vi=5V, Io=250mA

∗2

∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.

∗2 Please refer to Load regulation, Conversion efficiency.

Application Circuit

BP5324A

F1 1 2 4 5

8 10 11 12

Vo

VI

C1

C2

C3

C4

Use a fuse for safety.

Pin No.

Function

1 Input terminal (5V)

2 Input terminal (5V)

3 Not used

4 Input terminal (0V)

5 Input terminal (0V)

6 Not used

7 Not used

8 Output GND terminal

9 Not used

10 Capacitor connect

11 Output terminal

12 Output terminal

Please verify operation and characteristics in the customer's circuit before actual usage.

Ensure that the load current does not exceed the maximum rating.

External Components Settings

F1 : Fuse

C1: Input Capacitor

Use a 2.5A fuse

Capacitance : 100 to 220µF Rated voltage : 16V or higher .

C2: Output Capacitor

Capacitance : 100µF, Rated voltage : 25V or higher.

C3: Output Capacitor

Capacitance : 100 to 470µ, Rated Voltage : 25V or higher.

C4: Noise Reduction Capacitor Capacitance : 4700 to 0.1µF, Rated Voltage : AC500V or higher.

Dimensions (Unit : mm)

38.5Max.

13.6Max.

1 2 45

3.25Max.

P=2.54±0.2

8 10 11 12

0.5±0.1

1.3±0.2

2.54 x 11=27.94

4.55Max.

0.25±0.05

9.05Max.

Derating Curve

Derating Curve

300

250

200

150

Operation Range

100

50

0

-30 -20 -10 0 10 20 30 40 50 60 70 80 90

Ambient Temperature Ta(°C)

Conversion Efficiency

Conversion Efficiency

(Ta=25°C, Vi=5V)

90

80

70

60

50

40

30

20

10

00 0.05 0.1 0.15 0.2 0.25 0.3 0.35

Output Current Io(A)

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©2010 ROHM Co., Ltd. All rights reserved.

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2010.01 - Rev.A

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