TECHNICAL SPECIFICATIONS

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

PARAMETER

 

NOTES and CONDITIONS

S48SP05007 (Standard)

 

 

 

Min.

Typ.

Max.

 

Units

ABSOLUTE MAXIMUM RATINGS

 

 

 

 

 

 

 

 

Input Voltage

 

 

 

 

 

 

 

 

Continuous

 

 

 

 

80

 

 

Vdc

Transient(100ms)

 

100ms

 

 

100

 

 

Vdc

Operating Case Temperature

 

Refer to Figure 20 for measuring point

-40

 

+111

 

 

°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

 

 

32.5

34

35.5

 

 

Vdc

Turn-Off Voltage Threshold

 

 

30.5

32

33.5

 

 

Vdc

Lockout Hysteresis Voltage

 

 

1.0

2.0

3.0

 

 

Vdc

Maximum Input Current

 

100% Load, 36Vin

 

 

1.10

 

 

A

No-Load Input Current

 

 

 

35

 

 

 

mA

Off Converter Input Current

 

 

 

10

 

 

 

mA

Inrush Current (I2t)

 

 

 

 

0.01

 

 

A2s

Input Reflected-Ripple Current

 

P-P thru 12µH inductor, 5Hz to 20MHz

 

10

 

 

 

mA

Input Voltage Ripple Rejection

 

120 Hz

 

60

 

 

 

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 100°C

 

±50

 

 

 

mV

Total Output Voltage Range

 

Over load, line and temperature

4.85

 

5.15

 

 

V

Output Voltage Ripple and Noise

 

5Hz to 20MHz bandwidth

 

 

 

 

 

 

Peak-to-Peak

 

Full Load, 1µF ceramic, 10µF tantalum

 

30

 

 

 

mV

RMS

 

Full Load, 1µF ceramic, 10µF tantalum

 

10

 

 

 

mV

Operating Output Current Range

 

 

0

 

7

 

 

A

Output DC Current-Limit Inception

 

Output Voltage 10% Low

110

 

140

 

%

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

 

150

 

 

 

mV

Negative Step Change in Output Current

 

75% Io.max to 50% Io.max

 

150

 

 

 

mV

Settling Time (within 1% Vout nominal)

 

 

 

100

 

 

 

us

Turn-On Transient

 

 

 

 

 

 

 

 

Start-Up Time, From On/Off Control

 

 

 

25

30

 

 

ms

Start-Up Time, From Input

 

 

 

25

30

 

 

ms

Maximum Output Capacitance

 

Full load; 5% overshoot of Vout at startup

 

 

3000

 

 

µF

EFFICIENCY

 

 

 

 

 

 

 

 

100% Load

 

 

 

90.0

 

 

%

60% Load

 

 

 

88.5

 

 

%

ISOLATION CHARACTERISTICS

 

 

 

 

 

 

 

 

Input to Output

 

 

 

 

2250

 

 

Vdc

Isolation Resistance

 

 

10

 

 

 

 

MΩ

Isolation Capacitance

 

 

 

1000

 

 

 

pF

FEATURE CHARACTERISTICS

 

 

 

 

 

 

 

 

Switching Frequency

 

 

 

400

 

 

 

kHz

ON/OFF Control, Negative Remote On/Off logic

 

 

 

 

 

 

 

 

Logic Low (Module On)

 

Von/off

-0.7

 

0.8

 

 

V

Logic High (Module Off)

 

Von/off

2

 

18

 

 

V

ON/OFF Control, Positive Remote On/Off logic

 

 

 

 

 

 

 

 

Logic Low (Module Off)

 

Von/off

-0.7

 

0.8

 

 

V

Logic High (Module On)

 

Von/off

2

 

18

 

 

V

ON/OFF Current (for both remote on/off logic)

 

Ion/off at Von/off=0.0V

 

0.25

 

 

 

mA

Leakage Current (for both remote on/off logic)

 

Logic High, Von/off=15V

 

 

30

 

 

uA

Output Voltage Trim Range

 

Across Pins 4 & 5, Pout max rated power

-10%

 

10%

 

%

Output Over-Voltage Protection

 

Over full temp range

5.75

 

7.5

 

 

V

GENERAL SPECIFICATIONS

 

 

 

 

 

 

 

 

MTBF

 

Io=80% of Io, max; Ta=25°C; air flow 300LFM

 

2.82

 

 

 

M hours

Weight

 

 

 

10.5

 

 

 

grams

Over-Temperature Shutdown

 

Refer to Fig. 20 for measuring point

 

123

 

 

 

°C

DS_S48SP05007_05222008

2

Page 2
Image 2
Delta Electronics S48SP manual Technical Specifications, Parameter