Delta Electronics Series E48SR manual Technical Specifications, Parameter

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TECHNICAL SPECIFICATIONS

(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)

PARAMETER

NOTES and CONDITIONS

E48SR05012 (Standard)

 

 

Min.

Typ.

Max.

Units

ABSOLUTE MAXIMUM RATINGS

 

 

 

 

 

Input Voltage

 

 

 

 

 

Continuous

 

 

 

75

Vdc

Transient (100ms)

100ms

 

 

100

Vdc

Operating Temperature

Refer to Figure 21 for measuring point

-40

 

121

°C

Storage Temperature

 

-55

 

125

°C

Input/Output Isolation Voltage

 

 

 

1500

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

 

1.5

2

2.5

Vdc

Input Over-Voltage Lockout

 

 

 

 

 

Turn-Off Voltage Threshold

 

100

105

107

Vdc

Turn-On Voltage Threshold

 

97

102

104

Vdc

Maximum Input Current

100% Load, 36Vin

 

 

1.83

A

No-Load Input Current

 

 

40

 

mA

Off Converter Input Current

 

 

4

 

mA

Inrush Current(I2t)

 

 

 

1

A2s

Input Reflected-Ripple Current

P-P thru 12µH inductor, 5Hz to 20MHz

 

20

 

mA

Input Voltage Ripple Rejection

120 Hz

 

 

 

dB

OUTPUT CHARACTERISTICS

 

 

 

 

 

Output Voltage Set Point

Vin=48V, Io=Io.max, Tc=25°C

4.925

5.0

5.075

Vdc

Output Voltage Regulation

 

 

 

 

 

Over Load

Io=Io,min to Io,max

 

±3

±10

mV

Over Line

Vin=36V to 75V

 

±3

±10

mV

Over Temperature

Tc=-40°C to 85°C

 

±15

 

mV

Total Output Voltage Range

over sample load, line and temperature

4.9

 

5.1

V

Output Voltage Ripple and Noise

5Hz to 20MHz bandwidth

 

 

 

 

Peak-to-Peak

Full Load, 1µF ceramic, 10µF tantalum

 

60

90

mV

RMS

Full Load, 1µF ceramic, 10µF tantalum

 

15

30

mV

Operating Output Current Range

 

0

 

12

A

Output DC Current-Limit Inception

Output Voltage 10% Low

110

 

150

%

DYNAMIC CHARACTERISTICS

 

 

 

 

 

Output Voltage Current Transient

48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs

 

 

 

 

Positive Step Change in Output Current

50% Io.max to 75% Io.max

 

170

 

mV

Negative Step Change in Output Current

75% Io.max to 50% Io.max

 

170

 

mV

Settling Time (within 1% Vout nominal)

 

 

200

 

us

Turn-On Transient

 

 

 

 

 

Start-Up Time, From On/Off Control

 

 

7

 

ms

Start-Up Time, From Input

 

 

7

 

ms

Maximum Output Capacitance

Full load; 5% overshoot of Vout at startup

 

 

5000

µF

EFFICIENCY

 

 

 

 

 

100% Load

 

 

91.5

 

%

60% Load

 

 

91

 

%

ISOLATION CHARACTERISTICS

 

 

 

 

 

Input to Output

 

1500

 

 

Vdc

Isolation Resistance

 

10

 

 

MΩ

Isolation Capacitance

 

 

1500

 

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

V

Logic High (Module Off)

Von/off at Ion/off=0.0 µA

2

 

18

V

ON/OFF Control, Positive Remote On/Off logic

 

 

 

 

 

Logic Low (Module Off)

Von/off at Ion/off=1.0mA

 

 

0.7

V

Logic High (Module On)

Von/off at Ion/off=0.0 µA

2

 

18

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=15V

 

 

50

uA

Output Voltage Trim Range

Across Pins 9 & 5, Pout max rated power

-10%

 

10%

%

Output Voltage Remote Sense Range

Pout max rated power

 

 

10

%

Output Over-Voltage Protection

Over full temp range; % of nominal Vout

 

6

 

V

GENERAL SPECIFICATIONS

 

 

 

 

 

MTBF

Io=80% of Io, max; 300LFM @25C

 

3.06

 

M hours

Weight

 

 

19.6

 

grams

Over-Temperature Shutdown

Refer to Figure 21 for measuring point

 

125

 

°C

DS_E48SR05012_05222008

2

Image 2
Contents Options Technical Specifications ParameterElectrical Characteristics Curves Typical full load input characteristics at room temperatureFor Negative Remote On/Off Logic For Positive Remote On/Off LogicElectrical Characteristics Curves Output voltage noise and ripple measurement test setup Electrical Characteristics Curves Design Considerations Safety ConsiderationsSoldering and Cleaning Considerations Input Source ImpedanceFeatures Descriptions Features Descriptions CON Output Voltage Adjustment TrimThermal Curves Thermal Testing SetupThermal Considerations Thermal DeratingPick and Place Location Recommended PAD Layout SMDLeaded Sn/Pb Process Recommend TEMP. Profile Lead Free SAC Process Recommend TEMP. ProfileThrough-hole module Mechanical DrawingSurface-mount module Pin No Name FunctionPart Numbering System Model List

Series E48SR specifications

The Delta Electronics Series E48SR is a cutting-edge power supply unit designed to cater to the demanding requirements of modern electronic devices. Renowned for its compact form factor and high efficiency, the E48SR series is ideal for various industrial applications, including telecom, data communication, and industrial automation.

One of the standout features of the E48SR series is its wide input voltage range. This versatility allows the unit to operate seamlessly across different regions and power environments, accommodating everything from standard AC mains to challenging scenarios like high-voltage fluctuations. The E48SR series supports a nominal input range of 100 to 240 VAC, providing a greater degree of flexibility for global deployments.

The E48SR series is also distinguished by its high efficiency, often exceeding 90%. This not only translates to reduced energy consumption but also minimizes heat generation, enhancing the longevity and reliability of the power supply. The incorporation of advanced technologies such as active PFC (Power Factor Correction) helps in maximizing efficiency while ensuring compliance with stringent energy regulations.

Another noteworthy characteristic of the E48SR series is its robust protection features. It is equipped with overload, overvoltage, and short-circuit protections, ensuring that both the power supply and connected devices are safeguarded against potential damage. These features are crucial in industrial applications where power stability is paramount.

In terms of thermal performance, the E48SR series employs a fanless design that enhances its reliability and reduces noise levels. This makes it particularly suited for environments where silent operation is critical, such as in office or laboratory settings. The unit is also designed for easy integration, with a standard footprint that fits into various mounting configurations.

Additional features include adjustable output voltage and current limiting, allowing users to customize the power supply to meet specific application needs. The E48SR series also supports remote sensing capabilities, enabling precise voltage regulation at the load end, further enhancing its usability in demanding scenarios.

Delta Electronics has built the E48SR series with durability in mind, ensuring that it can withstand harsh operational environments. With a wide operating temperature range, this series is capable of functioning reliably in extreme conditions, making it an excellent choice for mission-critical applications.

In summary, the Delta Electronics Series E48SR combines efficient power performance, robust protection features, and reliable thermal management in a compact design, positioning it as a preferred choice for various industrial applications.