Delta Electronics Delphi S48SR Series User manual

Delta Electronics, Inc.

APPLICATIONS

 Telecom/DataCom

 Wireless Networks

 Optical Network Equipment

 Server and Data Storage

 Industrial/Test Equipment

OPTIONS

 Shorter pin length

FEATURES

 High efficiency: 86% @ 3.3V/4.5A

 Standard footprint: 2.0” ×1.0”

 Industry standard pin out

 Low profile

- Open Frame: 9.1mm (0.36”)

- Encapsulated: 10.7mm (0.42”)

 Fixed frequency operation

 Input UVLO, Output OCP, OVP

 No minimum load required

 2:1 input voltage range

 ISO 9001, TL 9000, ISO 14001, QS9000,

OHSAS18001 certified manufacturing facility

 UL/cUL 60950 (US & Canada) Recognized

and TUV (EN60950) Certified

 CE mark meets 73/23/EEC and 93/68/EEC

directives

Delphi Series S48SR, 15W 2”x1” Family

DC/DC Power Modules: 48V in, 4.5A out

The Delphi Series S48SR, printed circuit board mounted, 48V input,

single output, isolated DC/DC converters are the latest offering from

one of the world’s largest power supply manufacturers ―Delta

Electronics, Inc. This product family provides up to 15 watts of powe

or up to 4.5A of output current (for 3.3V and below) in an industr

standard footprint. With creative design technology and optimization o

component placement, these converters possess outstanding

electrical and thermal performance, as well as extremely high

reliability under highly stressful operating conditions.

ll models are

protected from abnormal input/output voltage and current conditions.

An encapsulated version is available for the most robust performance

in harsh environments.

DATABRIEF

DB_S48SR_07052006

SPECIFICATIONS

GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS

Input Voltage 36~75V Voltage Accuracy Typical ±1%

Switching Frequency Typical (3.3V) 290KHz Line Regulation Typical ±0.1%

Isolation Voltage In/Out 1500V Load Regulation 0%~100% ±0.2%

Isolation Typical 500pF Ripple & Noise 20MHz BW Typical 50 mV

Isolation Resistance Minimum 100MΩCurrent Limits Typical 150%

MTBF Bellcore 3M hours

Over Voltage Typical 125%

Encapsulated 2.00”×1.00”×0.42” Voltage Trim +10%, -10%

Size Open Frame 1.93”×0.93”×0.36”

PART NUMBERING SYSTEM

S 48 S R 3R3 04 E R F A

Form Factor Input

Voltage Number of

Outputs Product

Series Output

Voltage Output

Current ON/OFF

Logic Pin

Length Option Code

S- Small

Power

48V S- Single R- Thru-hole

1R8- 1.8V

2R5- 2.5V

3R3- 3.3V

050- 5.0V

120- 12V

01- 1.25A

02- 2.0A

03- 3.0A

04- 4.5A

05- 5.0A

E- No ON/OFF

Control

Function

R- 0.170”

N- 0.145”

K- 0.110”

F- RoHS

6/6

(Lead

Free)

A- Encapsulated &

Trim

B- Encapsulated & No

Trim

C- Open Frame & Trim

D- Open Frame & No

Trim

MODEL LIST

MODEL NAME INPUT OUTPUT EFF @ 100% LOAD

S48SR1R805ERFA 36V~75V 0.5A 1.8V 5.0A 80.0%

S48SR2R504ERFA 36V~75V 0.5A 2.5V 4.5A 83.0%

S48SR3R303ERFA 36V~75V 0.5A 3.3V 3.0A 84.5%

S48SR3R304ERFA 36V~75V 0.6A 3.3V 4.5A 86.0%

S48SR05002ERFA 36V~75V 0.5A 5.0V 2.0A 85.0%

S48SR05003ERFA 36V~75V 0.6A 5.0V 3.0A 86.5%

S48SR12001ERFA 36V~75V 0.6A 12.0V 1.25A 86.5%

MECHANICAL DRAWING

Open Frame Version Encapsulated Version

CONTACT: www.delta.com.tw/dcdc

USA:

Telephone:

East Coast: (888) 335 8201

West Coast: (888) 335 8208

Fax: (978) 656 3964

Email: [email protected]

Europe:

Phone: +41 31 998 53 11

Fax: +41 31 998 53 53

Email: [email protected]

Asia & the rest of world:

Telephone: +886 3 4526107 ext 6220

Fax: +886 3 4513485

Email: [email protected]

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