FEATURES
High efficiency: 92% @ 12V/5A
Size: 58.4mmx22.8mmx8.4mm
(2.30x0.90x0.33)
Standard footprint
Industry standard pin out
Fixed frequency operation
Input UVLO, Output OCP, OVP, OTP
2250V isolation
Basic insulation
No minimum load required
ISO 9001, TL 9000, ISO 14001, QS 9000,
OHSAS 18001 certified manufacturing
facility
UL/cUL 60950-1 (US & Canada)
Recognized
Delphi Series E48SC12005, Eighth Brick Family
DC/DC Power Modules: 48V in, 12V/5A out
OPTIONS
Positive on/off logic
The Delphi Series E48SC12005, Eighth Brick, 48V input, single output,
SMT or through-hole version
isolated DC/DC converter is the latest offering from a world leader in
power systems technology and manufacturing -- Delta Electronics, Inc.
This product family provides up to 60 watts, improved and very cost
effective power solution of industry standard footprint and pinout. 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.
APPLICATIONS
The Delphi Series converters meet all safety requirements with basic
Telecom / Datacom
insulation.
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial / Testing Equipment
DATASHEET
DS_ E48SC12005_07072011
TECHNICAL SPECIFICATIONS
(T =25C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted.)
A in
PARAMETER NOTES and CONDITIONS E48SC12005 (Standard)
Min. Typ. Max. Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous 80 Vdc
Transient 100ms 100 Vdc
Operating Hot Spot Temperature Refer to Figure 19 for measuring point -40 117 C
Storage Temperature -55 125 C
Input/Output Isolation Voltage 2250 Vdc
INPUT CHARACTERISTICS
Operating Input Voltage 36 75 Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold 33 34 35 Vdc
Turn-Off Voltage Threshold 31 32 33 Vdc
Lockout Hysteresis Voltage 1 2 3 Vdc
Maximum Input Current 100% Load, 36Vin 2.2 A
No-Load Input Current 70 mA
Off Converter Input Current 5 mA
2 2
Inrush Current(I t) 1 A s
Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 20 mA
Input Voltage Ripple Rejection 120 Hz 60 dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25C 11.88 12.00 12.12 Vdc
Output Voltage Regulation
Over Load Io=Io,min to Io,max 3 15 mV
Over Line Vin= 36V to 75V 3 15 mV
Over Temperature Tc= -40C to 85C 100 mV
Total Output Voltage Range Over sample load, line and temperature 11.64 12.36 V
Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth
Peak-to-Peak Full Load, 1F ceramic, 10F tantalum 40 120 mV
RMS Full Load, 1F ceramic, 10F tantalum 15 25 mV
Operating Output Current Range 0 5 A
Output DC Current-Limit Inception Output Voltage 10% Low 110 140 %
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient 48V, 10F Tan & 1F Ceramic load cap, 0.1A/s
Positive Step Change in Output Current 25% Io.max to 50% Io.max 200 mV
Negative Step Change in Output Current 50% Io.max to 25% Io.max 200 mV
Settling Time (within 1% Vout nominal) 200 s
Turn-On Transient
Start-Up Time, From On/Off Control 30 ms
Start-Up Time, From Input 40 ms
Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 2000 F
EFFICIENCY
100% Load 48Vin 92.0 %
60% Load 48Vin 90.5 %
ISOLATION CHARACTERISTICS
Input to Output 2250 Vdc
Isolation Resistance 10 M
Isolation Capacitance 3000 pF
FEATURE CHARACTERISTICS
Switching Frequency 350 kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On) Von/off at Ion/off=1.0mA -0.7 0.8 V
Logic High (Module Off) Von/off at Ion/off=0.0 A 3.5 12 V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off) Von/off at Ion/off=1.0mA -0.7 0.8 V
Logic High (Module On) Von/off at Ion/off=0.0 A 3.5 12 V
ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 1 mA
Leakage Current (for both remote on/off logic) Logic High, Von/off=12V 50 A
Pout max rated power
Output Voltage Trim Range -20% 10% %
Output Voltage Remote Sense Range Pout max rated power 10 %
Output Over-Voltage Protection Over full temperature range 13.8 15.3 18 V
GENERAL SPECIFICATIONS
MTBF 48V,Io=Io, max; 300LFM @25C 4.5 M hours
Weight 21 grams
Over-Temperature Shutdown Refer to Figure 19 for measuring point 131 C
DS_E48SC12005_07072011
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