UNR-5/5-D12-C Murata Power Solutions Inc, UNR-5/5-D12-C Datasheet

UNR-5/5-D12-C

Manufacturer Part Number

UNR-5/5-D12-C

Description

DC/DC Converter

Manufacturer

Murata Power Solutions Inc

Series

UNRr

Datasheet

1.UNR-55-D12-C.pdf (2 pages)

Specifications of UNR-5/5-D12-C

Dc / Dc Converter O/p Type

Fixed

No. Of Outputs

Input Voltage

10.8V To 13.6V

Power Rating

25W

Output Voltage

Output Current

Approval Bodies

EN, IEC, UL

Supply Voltage

12V

Product

Non-Isolated / POL

Output Power

25 W

Input Voltage Range

10.8 V to 13.6 V

Number Of Outputs

Output Voltage (channel 1)

5 V

Output Current (channel 1)

5 A

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 2
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Features

No external I/O filtering required

+10.8V to +13.6V input

+5V (±50mV), 5 Amp output

Synchronous-rectifier topology

300kHz switching frequency

Low output noise, 60mVp-p

Quick transient response, 30µsec

High efficiency, 91%

–40 to +70°C operation with no derating

On/off control; Undervoltage shutdown

Output trim capability (3.3V to 6V)

1" x 2" metal package; EMC compliant

IEC950/EN60950/UL1950 pending

Modifications and customs for OEM’s

CONTROL

RETURN

www.murata-ps.com/rohs

ON/OFF

INPUT

For full details go to

UNDERVOLTAGE

SHUTDOWN

CONTROLLER

PWM

your new, high-speed, 5V electronics simply demand too much current, consider

tapping into your +12V line with one of Murata Power Solutions’ new, low-cost,

12V-to-5V DC/DC converters. These non-isolated buck regulators deliver up to 5

Amps of clean (60mVp-p noise), rapidly responding (30µsec step response) 5V

current. They are housed in standard 1" x 2" metal packages and require abso-

lutely no external filtering to achieve specified performance.

topology and packaging. Its 91% efficient, fixed-frequency (300kHz), synchronous-

rectifier design is packaged, with thermally conductive potting compound, in a heat-

radiating, black metal case. It achieves low cost and high reliability through its use

of proven, fully automated, SMT-on-pcb assembly techniques. Consequently, every

1 Amp of 12V current gives you 2.2 Amps of additional 5V current at an incremen-

tal cost.

over the –40 to +70°C ambient temperature range without heat sinking or forced-air

cooling. Units derate to +100°C ambient. Devices are fully line (±0.25% max.) and

load (±0.5% max.) regulated and feature user-optional remote on/off control and

output-voltage trim capabilities (from 3.3 to 6 Volts).

cient, step-down, linear regulators, take a look at one of Murata Power Solutions'

"switchers." Their high efficiency and ease of use may surprise you. Safety agency

approvals and full

When you’re faced with upgrading your system’s +5V power supply because

The UNR-5/5-D12 achieves its high power density (25W/in

The impressively efficient UNR-5/5-D12 delivers it full rated 25W output power

If you need more 5V current and you’ve already rejected the use of ineffi-

Figure 1. Simplified Schematic

Contact Murata Power Solutions for

8 and 10 Amp Models

CURRENT LIMITING

& S.C. SHUTDOWN

REFERENCE &

ERROR AMP

Single Output, Non-Isolated, 12V-to-5V

Technical enquiries email: sales@murata-ps.com, tel:

5 Amp, DC/DC Converters

OUTPUT

RETURN

TRIM

OUT

TRIM

) through circuit

OUTPUT RETURN

(3.3 to 6V)

UNR Series

Typical topology is shown.

UNR25-50W.BO1 Page 1 of 2

OUT

10-20k�

5-10

Turns

+1 508 339 3000

Related parts for UNR-5/5-D12-C

UNR-5/5-D12-C Summary of contents

Page 1

... Amp of 12V current gives you 2.2 Amps of additional 5V current at an incremen- tal cost. The impressively efficient UNR-5/5-D12 delivers it full rated 25W output power over the –40 to +70°C ambient temperature range without heat sinking or forced-air cooling. Units derate to +100°C ambient. Devices are fully line (±0.25% max.) and load (± ...

Page 2

... UNR-5/5-D12 UNR-5/5-D12-C USA: Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com Canada: Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com UK: Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com France: Montigny Le Bretonneux, Tel: +33 (0 01, email: france@murata-ps.com Germany: München, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com Japan: Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps ...

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