E48SR3R320NRFA Delta Electronics, E48SR3R320NRFA Datasheet

MODULE DC/DC 8TH BRICK 3.3V 20A

E48SR3R320NRFA

Manufacturer Part Number
E48SR3R320NRFA
Description
MODULE DC/DC 8TH BRICK 3.3V 20A
Manufacturer
Delta Electronics
Series
DELPHIr
Type
Isolated with UVLOr
Datasheets

Specifications of E48SR3R320NRFA

Output
3.3V
Number Of Outputs
1
Power (watts)
66W
Mounting Type
Through Hole
Voltage - Input
36 ~ 75V
Package / Case
8-DIP Module, 1/8 Brick
1st Output
3.3 VDC @ 20A
Size / Dimension
2.30" L x 0.90" W x 0.33" H (58.4mm x 22.9mm x 8.4mm)
Power (watts) - Rated
66W
Operating Temperature
-40°C ~ 115°C
Efficiency
90.5%
Approvals
CE, cUL, TUV, UL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
4th Output
-
Other names
941-1020
DATASHEET
DS_E48SR3R320_05142009
Delphi Series E48SR, 66W Eighth Brick Family
DC/DC Power Modules: 48V in, 3.3V/20A out
The Delphi Series E48SR Eighth Brick, 48V input, single output,
isolated DC/DC converters are the latest offering from a world leader in
power systems technology and manufacturing – Delta Electronics, Inc.
This product family is available in a surface mount or through-hole
package and provides up to 66 watts of power or 25A of output current
(1.8V and below) in an industry standard footprint. With creative design
technology and optimization of component placement, these converters
possess outstanding electrical and thermal performances, as well as
extremely high reliability under highly stressful operating conditions. All
models are fully protected from abnormal input/output voltage, current,
and temperature conditions. The Delphi Series converters meet all
safety requirements with basic insulation. The E48SR Eighth Brick
shares the same pin out as the Delphi Series Quarter Brick family. The
smaller footprint of the Eighth Brick modules allows the user to save
board space for power requirements up to 66W.
FEATURES
OPTIONS
APPLICATIONS
OHSAS 18001 certified manufacturing
facility
recognized, TUV (EN60950-1) certified
directives
High efficiency: 90.5% @ 3.3V/20A
Size: 58.4mm x 22.8mm x 8.4mm
Industry standard pin out
SMT and through-hole versions
Fixed frequency operation: 350KHz
Input UVLO, Output OCP, OVP, OTP
1500V isolation
Basic insulation
No minimum load required
2:1 Input voltage range
ISO 9001, TL 9000, ISO 14001, QS 9000,
UL/cUL 60950-1 (US & Canada)
CE mark meets 73/23/EEC and 93/68/EEC
(2.30”x0.90”x0.33”)
SMT or through-hole versions
Positive On/Off logic
Short pin lengths
Telecom/Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Testing Equipment

Related parts for E48SR3R320NRFA

E48SR3R320NRFA Summary of contents

Page 1

... The Delphi Series E48SR Eighth Brick, 48V input, single output, isolated DC/DC converters are the latest offering from a world leader in power systems technology and manufacturing – Delta Electronics, Inc. This product family is available in a surface mount or through-hole package and provides watts of power or 25A of output current (1 ...

Page 2

TECHNICAL SPECIFICATIONS (T =25°C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted PARAMETER ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous Transient (100ms) Operating Temperature Storage Temperature Input/Output Isolation Voltage INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout ...

Page 3

ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C Figure 3: Typical full load input characteristics at room temperature DS_E48SR3R320_05142009 Figure 2: Power dissipation vs. load current for minimum, nominal, and ...

Page 4

ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic 0 0 Figure 4: Turn-on transient at full rated load current (resistive load) (1 ms/div). Vin=48V. Top Trace: Vout, 1.0V/div; Bottom Trace: ON/OFF input, 5V/div For Positive Remote On/Off Logic 0 0 ...

Page 5

ELECTRICAL CHARACTERISTICS CURVES 0 0 Figure 8: Output voltage response to step-change in load current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout (50mV/div, 200us/div), Bottom Trace: Iout (5A/div). ...

Page 6

ELECTRICAL CHARACTERISTICS CURVES 0 Figure 11: Input Terminal Ripple Current, i current and nominal input voltage with 12µH source impedance and 33µF electrolytic capacitor (500 mA/div, 2us/div) Copper Strip Vo(+) 10u 1u Vo(-) Figure 13: Output voltage noise and ripple ...

Page 7

ELECTRICAL CHARACTERISTICS CURVES 0 Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=20A)(20 mV/div, 2us/div) Load capacitance: 1µF ceramic capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz. Scope measurements should be made using a BNC ...

Page 8

DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than ...

Page 9

FEATURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modules will automatically shut down ...

Page 10

FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, connect an external resistor between the TRIM pin and either the SENSE(+) or SENSE(-). The TRIM pin should be left open if this feature ...

Page 11

THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode ...

Page 12

PICK AND PLACE LOCATION RECOMMENDED PAD LAYOUT (SMD) DS_E48SR3R320_05142009 SURFACE-MOUNT TAPE & REEL 12 ...

Page 13

LEADED (Sn/Pb) PROCESS RECOMMENDED TEMPERATURE PROFILE 250 Pre-heat temp. 140~180°C 60~120 sec. 200 Ramp-up temp. 150 0.5~3.0°C /sec. 100 120 Time ( sec. ) Note: The temperature refers to the pin of E48SR, measured on the pin ...

Page 14

MECHANICAL DRAWING Surface-mount module Pin No. Name 1 +Vin 2 ON/OFF 3 -Vin 4 -Vout 5 -SENSE 6 TRIM 7 +SENSE 8 +Vout DS_E48SR3R320_05142009 Through-hole module Function Positive input voltage Remote ON/OFF Negative input voltage Negative output voltage Negative remote ...

Page 15

... Brick MODEL LIST MODEL NAME E48SR1R225NRFA 36V~75V E48SR1R525NRFA 36V~75V E48SR1R825NRFA 36V~75V E48SR2R520NRFA 36V~75V E48SR3R320NRFA 36V~75V E48SR05012NRFA 36V~75V E48SR12005NRFA 36V~75V E48SR12007NRFA 36V~75V E48SR15004NRFA 36V~75V Default remote on/off logic is negative and pin length is 0.170” For different remote on/off logic and pin length, please refer to part numbering system above or contact your local sales office. ...

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