BP5811_10 ROHM [Rohm], BP5811_10 Datasheet

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BP5811_10

Manufacturer Part Number

BP5811_10

Description

Broad output DC/DC Converter(Non-isolated)

Manufacturer

ROHM [Rohm]

Datasheet

1.BP5811_10.pdf (1 pages)

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www.rohm.com

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

Broad output DC/DC Converter(Non-isolated)

0 to 19V/300mA Output

BP5811

(Unless otherwise specified,VM

Output voltage

Output current

Output ripple

Power conversion e fficiency

Motor driving supply voltage

CTL input voltage

Maximum output current

Operating temperature range

Storage temperature range

Maximum surface temperature

Motor driving supply voltage

CTL input voltage

CTL input frequency

Electrical Characteristics

Absolute Maximum Ratings

Recommended Action Conditions

Application Circuit

External Component Specifications

VMin

FUSE: Fuse

C1: Input smoothing

C2: Output smoothing

L1: Power inductor

BP5811

Parameter

capacitor

capacitor

Parameter

C1

Parameter

1

Be sure to use fuse for safety.

2

3

Symbol

6

Symbol

VM

L1

V

f

7

ctl

Vo

V

Use a quick-acting fuse (2.3A)

470 F/50V Low impedance

Recommended part : PM series (Nichicon)

470 F/50V Low impedance

Recommended part : PM series (Nichicon)

47 H, Rated current 1.2A or higher

Recommended part : TSL0808-470K1R2 (TDK)

ctl

Io

IN

CTL

IN

P

8

=20V, I

9

Symbol

C2

Iopeak

Tcmax

VM

Topr

Tstg

V

Min.

18.0

14.3

6.76

19.0

Min.

88

CTL

O

0

1

=300mA. V

in

19.0

15.1

7.35

0.05

Typ.

20.0

Typ.

93

Vo

50

CTL

0.3 to 5.5

Max.

Pin No.

=5.0V, Ta=25 °C)

20.0

15.9

7.94

0.15

21.0

300

Max.

100

5.0

Limits

1

2

3

4

5

6

7

8

9

300

100

25

Vp-p

Unit

mA

%

1/1

V

V

V

Input terminal

N.C.

GND

Skip

Skip

Coil connection terminal

Coil connection terminal

Control terminal

Output voltage

Unit

kHz

V

V

Function

I

O

Conditions

Conditions

=300mA

Unit

mA

°C

°C

°C

V

V

Derating Curve

Dimensions

Output Voltage Control

Characteristics

Conversion Efficiency

(VMin=20V, V

100

350

300

250

200

150

100

50

20

15

10

20

15

10

90

80

70

60

50

40

30

20

10

0

5

0

5

0

0

0

0

0

-30 -20 -10

V

V

Control Duty f

O

O

-V

-Duty Characteristics (VMin=20V)

Control Voltage (DC) V

Vctl=5V

Vctl=4V

Vctl=3V

Vctl=2V

Vctl=1V

1

20

CTL

50

Characteristics (VMin=20V)

Data Sheet

Ambient Temperature Ta(˚C)

0

2

40

Output Current I

CTL

100

(Unit : mm)

10

=50kHz Duty(%)

CTL

Derating Curve

3

60

2010.03 - Rev. B

20

(Ta=25°C)

=5V)

150

30

CTL

4

80

O

(V)

40

(mA)

200

5

100

50

60

250

70

80

300

90

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