DWR-5/2.65-3.3/3-D12 Murata Power Solutions Inc, DWR-5/2.65-3.3/3-D12 Datasheet

DC/DC Converters & Regulators 15W 12V to 5V/3.3V

DWR-5/2.65-3.3/3-D12

Manufacturer Part Number

DWR-5/2.65-3.3/3-D12

Description

DC/DC Converters & Regulators 15W 12V to 5V/3.3V

Manufacturer

Murata Power Solutions Inc

Series

DWRr

Datasheet

1.DSM-52.65-3.33-D12-C.pdf (9 pages)

Specifications of DWR-5/2.65-3.3/3-D12

Product

Isolated

Output Power

13 W

Input Voltage Range

10 V to 18 V

Input Voltage (nominal)

12 V

Number Of Outputs

Output Voltage (channel 1)

5 V

Output Current (channel 1)

2.65 A

Output Voltage (channel 2)

3.3 V

Output Current (channel 2)

3 A

Isolation Voltage

1.5 KV

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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FEATURES

www.murata-ps.com

SIMPLIFIED SCHEMATIC

Regulated 5V and 3.3V outputs

5V @ 2.65Amps/3.3V @ 3 Amps capability

15 Watts total output power

1" x 2" SMT or through-hole package

Available input voltage ranges:

10-18V, 18-36V or 36-75V

No-load stable operation

UL/EN60950-1 safety approvals

Continuous short-circuit protection

Fully isolated, 1500Vdc guaranteed

–40 to +100°C operating temperature

Input under and overvoltage shutdown

Output OVP, thermal shutdown

mark available (75V-input models)

CONTROL

ON/OFF

+INPUT

–INPUT

(3)

(1)

(2)

www.murata-ps.com/rohs

For full details go to

COMPARATORS

UV & OV

CONTROLLER

PWM

SHUTDOWN

THERMAL

PRODUCT OVERVIEW

offers a new power sharing DC/DC converter capable of meeting your output current requirements. The

DSM/DWR series is available with three different input voltage ranges: 36-75V input (D48), 18-36V input

(D24) or 10-18V input (D12). These converters are fully isolated and capable of delivering any combina-

tion of 5V and 3.3V output current up to a combined total of 15 Watts of output power.

ers are regulated by a 3.3V control loop that provides load regulation of ±0.5% for 3.3V output and

±1.5% for 5V output.

circuit and current-limiting protection, and thermal shutdown. All models provide trim capability and an

on/off control function. Fully synchronous output rectiﬁ cation provides high efﬁ ciency (86%) and a stable

output under no-load conditions.

voltage, and are fully speciﬁ ed for –40 to +100°C operation. These devices meet IEC950, UL1950 and

EN60950-1 safety standards. "D48" models are CE marked (meets LVD requirements).

www.murata-ps.com

For surface mount or through-hole applications requiring 15 Watts of power from 5V and 3.3V, DATEL

Housed in 1" x 2" metal packages coated with electrically non-conductive ﬁ nish, DSM/DWR convert-

All models include input ﬁ ltering, input overvoltage and undervoltage shutdown circuitry, output short-

DSM/DWR power sharing modules offer low output ripple and noise performance, 1500 Vdc isolation

Figure 1. Simpliﬁ ed Schematic

ISOLATION

OPTO

CONTROL

SWITCH

Dual Output, 3.3V and 5V, 15Watt DC/DC Converters

REFERENCE &

ERROR AMP

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

Typical topology is shown.

DSM/DWR Models

MDC_DSM/DWR Models.B01 Page 1 of 9

TRIM

+5V OUTPUT

+3.3V OUTPUT

RETURN

OUTPUT

(9)

(7)

(5)

(8)

+1 508 339 3000

Related parts for DWR-5/2.65-3.3/3-D12

DWR-5/2.65-3.3/3-D12 Summary of contents

Page 1

... Watts of output power. Housed in 1" x 2" metal packages coated with electrically non-conductive ﬁ nish, DSM/DWR convert- ers are regulated by a 3.3V control loop that provides load regulation of ±0.5% for 3.3V output and ± ...

Page 2

... Performance Speciﬁ cations and Ordering Guide ➁ OUT OUT Model (Volts) (Amps) 5 2.65 DSM-5/2.65-3.3/3-D12-C DWR-5/2.65-3.3/3-D12-C 3 2.65 DSM-5/2.65-3.3/3-D24-C DWR-5/2.65-3.3/3-D24-C 3 2.65 DSM-5/2.65-3.3/3-D48-C DWR-5/2.65-3.3/3-D48-C 3.3 3 ➀ Typical +25°C under nominal line voltage and balanced "full-load" conditions (5V @ 1.5A/3.3V @ 2.25A). A ➁ Any combination of 5V/3.3V rated I current, not to exceed 15 Watts of output power ...

Page 3

... See Mechanical Speciﬁ cations Case connection via pin 4 Corrosion resistant steel with non-conductive, epoxy-based, black enamel ﬁ nish and plastic baseplate Gold-plate copper alloy pins or tin-plate copper alloy SMT contacts 1.6 ounces (46 grams) Technical enquiries email: sales@murata-ps.com, tel: MDC_DSM/DWR Models.B01 Page 508 339 3000 ...

Page 4

... OUT start-up time assumes the converter has its OUT to V start-up, the On/Off Control IN OUT 13V CIRCUIT 3 ON/OFF CONTROL 5V CIRCUIT –INPUT 2 Figure 2. Internal On/Off Control circuitry Technical enquiries email: sales@murata-ps.com, tel: MDC_DSM/DWR Models.B01 Page +Vcc +1 508 339 3000 ...

Page 5

... Dual Output, 3.3V and 5V, 15Watt DC/DC Converters Trimming Output Voltages The DSM/DWR converters have a trim capability (pin 9) that allow users to adjust the output voltages ±5%. A trim adjustment will cause an equal percentage of change in both outputs. Adjustments to the output voltages can be accomplished via a trim pot, Figure single ﬁ ...

Page 6

... A single pc board layout could accommodate both the through-hole and the SMT models of the XWR Series as per the ﬁ gure below. Note that on page 2 of this data sheet, the DWR through-whole package is drawn with a bottom view of its pin locations, and the DSM surface-mount package is drawn with a top view of its pin locations ...

Page 7

... Output Current (Amps) Efficiency vs. Load OUT V = 18V 24V 36V IN 0.5 0.8 1.1 1.3 1.6 1.9 2.1 +5V Output Current (Amps 5V@2.65A/3.3V@0.25A OUT V = 5V@1.5A/3.3V@2.25A OUT V = 5V@0.25A/3.3V@3A OUT Input Voltage (Volts) Technical enquiries email: sales@murata-ps.com, tel: MDC_DSM/DWR Models.B01 Page 2.7 3 2.4 2 508 339 3000 ...

Page 8

... Efficiency vs. Load V = 75V IN 1.9 2.1 2.4 2.7 62 66.3 70.7 75 DSM/DWR Models D12, 24, 48 Models Output Power vs. Ambient Temperature V = Nominal, Natural Convection Ambient Temperature ( C) ˚ Technical enquiries email: sales@murata-ps.com, tel: MDC_DSM/DWR Models.B01 Page 100 +1 508 339 3000 ...

Page 9

... Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: MDC_DSM/DWR Models.B01 Page 508 339 3000 ...

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