Delta Electronics Delphi V48SR User manual

FEATURES

 High efficiency: 90.5% @ 3.3V/20A

 Size: 33.0x22.9x9.5mm (1.3”x0.90”x0.37”)

 Input UVLO and OVP

 Industry standard footprint and pinout

 Fixed frequency operation

 SMD and Through-hole versions

 OTP and output OCP, OVP (default is auto-

restart)

 Output voltage trim: -20%, +10%

 Monotonic startup into normal and

pre-biased loads

 2250V isolation and basic insulation

 No minimum load required

 No negative current during power or enable

on/off

 ISO 9001, TL 9000, ISO 14001, QS 9000,

OHSAS 18001 certified manufacturing facility

 UL/cUL 60950 (US & Canada) recognized,

and TUV (EN60950) certified

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

directive

Delphi Series V48SR, 1/16

Brick 66W

DC/DC Power Modules: 48V in, 1.2V~15V, 25A out

The Delphi Series V48SR, 1/16th Brick, 48V input, single output, isolated

DC/DC converter, is the latest offering from a world leader in powe

systems technology and manufacturing ―Delta Electronics, Inc. This

product family provides up to 66 watts of power or 25A of output curren

(1.8V and below) in a new 1/16th brick form factor (1.3”x0.90”) and pinout.

With creative design technology and optimization of component placement,

these converters possess outstanding electrical and thermal performance,

as well as extremely high reliability under highly stressful operating

conditions. Typical efficiency of the 3.3V/20A module is greater than

90.5%. All modules are protected from abnormal input/output voltage,

current, and temperature conditions. For lower power needs, but in a

similar small form factor, please check out Delta S48SP (36W or 10A) and

S48SE (17W or 5A) series standard DC/DC modules.

OPTIONS

 SMD module available

 Positive remote On/Off

 OTP and output OVP, OCP mode

(Auto-restart or latch)

APPLICATIONS

 Optical Transport

 Data Networking

 Communications

 Servers

DATABRIEF

DB_V48SR_02022007

SPECIFICATIONS

GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS

Input Voltage 36~75V Voltage Accuracy Typical ± 1.5%

Switching Frequency Typical (3.3V) 415KHz Line Regulation Typical ± 0.1%

Isolation Voltage In/Out 2250V Load Regulation Typical ± 0.1%

Isolation Capacitance Typical 1nF Ripple & Noise Typical 50 mV

Isolation Resistance Minimum 10M ohm Current Limits Typical 120%

MTBF Bellcore (3.3V) 2.4m hours Over Voltage Typical 120%

OTP Typical 135°C Voltage Trim +10%, -20%

Size 33.0x22.9x9.5mm 1.30”x0.90”x0.37”

PART NUMBERING SYSTEM

V 48 S R 1R8 25 N R F A

Product

Type Input

Voltage Number of

Outputs Product

Series Output

Voltage Output

Current ON/OFF

Logic Pin

Length/Type Option

Code

V - 1/16th

brick

48-

36V~75V

S - Single R - regular

1R2 - 1.2V

1R5 - 1.5V

1R8 - 1.8V

2R5 - 2.5V

3R3 - 3.3V

050 - 5.0V

120 - 12V

150 - 15V

04 - 4.4A

05 - 5.5A

13 - 13A

20 -20A

25 -25A

N - Negative

P - Positive

R - 0.170”

N - 0.145”

K - 0.110”

M - SMD

F- RoHS 6/6

(Lead Free)

A – standard

functions

MODEL LIST

MODEL NAME INPUT OUTPUT EFF @ 100% LOAD

V48SR1R225NRFA 36V~75V 1.2A 1.2V 25A 84.0%

V48SR1R525NRFA 36V~75V 1.4A 1.5V 25A 85.0%

V48SR1R825NRFA 36V~75V 1.6A 1.8V 25A 87.0%

V48SR2R520NRFA 36V~75V 1.8A 2.5V 20A 89.0%

V48SR3R320NRFA 36V~75V 2.4A 3.3V 20A 90.5%

V48SR05013NRFA 36V~75V 2.3A 5.0V 13A 91.0%

V48SR12005NRFA 36V~75V 2.3A 12V 5.5A 91.0%

V48SR15004NRFA 36V~75V 2.3A 15V 4.4A 91.0%

MECHANICAL DRAWING

Surface-mount module Through-hole module

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:

Telephone: +41 31 998 53 11

Fax: +41 31 998 53 53

Email: [email protected]

Asia & the rest of world:

Telephone: +886 3 4526107 x6220

Fax: +886 3 4513485

Email: [email protected]

WARRANTY

Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta.Information furnished by Delta

is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties,

which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these

specifications at any time, without notice.

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