BP5275-50 Rohm Semiconductor, BP5275-50 Datasheet

BP5275-50

Manufacturer Part Number

BP5275-50

Description

IC CONV DC/DC STEP-DN 5.0V 3-SIP

Manufacturer

Rohm Semiconductor

Type

Step-Down (Buck)r

Datasheet

1.BP5275-18.pdf (1 pages)

Specifications of BP5275-50

Internal Switch(s)

Synchronous Rectifier

Number Of Outputs

Voltage - Output

Current - Output

500mA

Frequency - Switching

Voltage - Input

4 ~ 14 V

Operating Temperature

-20°C ~ 80°C

Mounting Type

Through Hole

Package / Case

3-SIP

Power - Output

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

BP5275-50

Manufacturer:

ROHM Semiconductor

Quantity:

135

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Compact Non-Isolated 3-Pin DC/DC Converters

BP5275 Series

The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the

specifications, which can be obtained from ROHM upon request.Great care was taken in ensuring the accuracy of the information specified in this document. However,

should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage.The technical information

specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any li-

cense to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the

use of such technical information.If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and

the Foreign Trade Law, you will be required to obtain a license or permit under the Law.

www. rohm. com

Dimensions

Internal Circuit Diagram

No external

2.0

capacitor

Compact package (TO-220) and no

external parts required

Synchronous rectification results in 93% efficiency

input

100%

5.2

90%

80%

70%

60%

2.95

0.25

100

Input/output capacitors are included

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Load Current Io [mA]

Control

Circuit

200

BP5275-50

947 *

13.6

300

(Unit: mm)

(BP5275-50, BP5275-33, BP5275-25, BP5275-18)

BP5275

Conventional

400

Product

All necessary components are

integrated into the TO-220 package.

And no input or output capacitors

are required. The result is a mounting

area 6 times smaller than conventional

solutions. In addition, the units are

pin-compatible with the 3-terminal

LDOs, making replacement easy.

500

Conversion efficiency is

significantly increased over

conventional products, making

it easy to lower set power

consumption. In addition,

the output voltage is accurate

to within ±2%.

Product Outline

The compact, high performance BP5275 series utilizes synchronous rectification for high efficiency, high

frequency operation. All components required for DC/DC conversion are built in, simplifying layout along with

circuit/thermal design.

Step-down synchronous rectification

switching regulators enable high efficiency

DC/DC operation using no external parts

Capacitor

No Input/

Output

All-in-One

No external

capacitor

output

Easy DC/DC

Operation

Catalog No.52F6252E 12. 2009 ROHM ©

Heat generated by the chip is dissipated through the attached aluminum

heat sink, eliminating the need for thermal countermeasures. In addition,

an external heat sink can be attached, making it possible to increase the

output current.

Heat dissipation is required, even for surface mount DC/DC converter ICs.

The BP5275 series was specially designed for optimum heat dissipation in

a compact form factor, minimizing mounting area.

Absolute Maximum Ratings

*1: 800mA possible with heat sink

Lineup available in different output voltages : 1.8V/2.5V/3.3V/5.0V

Cross-Sectional Diagram

Energy-

Size Comparison

Minimum required mounting area (2.5W output, 2-layer board)

Saving

Original high heat dissipation configuration

No.

20.0mm

Operating Temp.

Storage Temp.

Output Current

Surface Temp.

Input Voltage

Parameter

Pin-compatible

with 3-pin

31.5mm

LDOs

Surface Mount IC

TEL : +81-75-311-2121 FAX : +81-75-315-0172

Symbol

Tcmax

Iomax

Topr

Tstg

Vin

21 Saiin Mizosaki-cho, Ukyo-ku,

Magnified

Heat is

dissipated through

the aluminum heat

sink

-20 to 80

-40 to 85

Rating

105

500

Kyoto 615-8585 Japan

Board

Chip

New Product Bulletin

Energy

Saving

www.rohm.com

Unit

˚C

13.6mm

BP5275

6.0mm

Remarks

Aluminum

Heat Sink

the size

1/6th

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