V48SH datasheet(2/14 Pages) DELTA

2 / 14 page

DS_V48SH05017_10282013

TECHNICAL SPECIFICATIONS

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

PARAMETER

NOTES and CONDITIONS

V48SH05017 (Standard)

Min.

Typ.

Max.

Units

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Continuous

Vdc

Transient (100ms)

100ms

100

Vdc

Operating Temperature(Without heat-spreader)

Refer to figure 20 for measuring point

-40

121

°C

Operating Temperature(With heat-spreader)

Refer to figure 22 for measuring point

-40

110

°C

Storage Temperature

-55

125

°C

Input/Output Isolation Voltage

1500

Vdc

INPUT CHARACTERISTICS

Operating Input Voltage

Vdc

Input Under-Voltage Lockout

Turn-On Voltage Threshold

32.5

35.5

Vdc

Turn-Off Voltage Threshold

30.5

33.5

Vdc

Lockout Hysteresis Voltage

Vdc

Maximum Input Current

100% Load, 36Vin

No-Load Input Current

Off Converter Input Current

Inrush Current (I

2t)

With 100uF external input capacitor

Start up Current

Peak, Vin=36V, 100% Load, With 10000uF Co

3.23

4.85

Input Terminal Ripple Current

RMS, Vin=48V, With 100uF input cap.

0.1

0.15

Input Reflected-Ripple Current

P-P thru 12µH inductor, 5Hz to 20MHz

Input Voltage Ripple Rejection

120 Hz

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

±5

Over Line

Vin=36V to 75V

±5

Over Temperature

Tc=-40°C to125°C

±50

Total Output Voltage Range

Over sample load, line and temperature

4.85

5.15

Output Voltage Ripple and Noise

5Hz to 20MHz bandwidth

Peak-to-Peak

Full Load, 1µF ceramic, 10µF tantalum

110

160

RMS

Full Load, 1µF ceramic, 10µF tantalum

Operating Output Current Range

Output Over Current Protection

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

100

160

Negative Step Change in Output Current

75% Io.max to 50% Io.max

100

160

Settling Time (within 1% Vout nominal)

100

200

Turn-On Transient

Start-Up Time, From On/Off Control

Start-Up Time, From Input

Maximum Output Capacitance

Cap ESR>=8mohm;

Full load; 5% overshoot of Vout at startup;

7000

µF

EFFICIENCY

100% Load

Vin=48V

91.5

60% Load

Vin=48V

91.5

ISOLATION CHARACTERISTICS

Input to Output

1500

Vdc

Isolation Resistance

MΩ

Isolation Capacitance

1500

FEATURE CHARACTERISTICS

Switching Frequency

300

kHz

ON/OFF Control, Negative Remote On/Off logic

Logic Low (Module On)

Von/off

-0.7

0.8

Logic High (Module Off)

Von/off

ON/OFF Control, Positive Remote On/Off logic

Logic Low (Module Off)

Von/off

-0.7

0.8

Logic High (Module On)

Von/off

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

Ion/off at Von/off=0.0V

0.3

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

Ion/off at Von/off=2V

Leakage Current (for both remote on/off logic)

Logic High, Von/off=15V

Output Voltage Trim Range

Max rated current guaranteed at full trim range

-20

Output Voltage Remote Sense Range

Max rated current guaranteed at full remote

sense range

Output Over-Voltage Protection

Over full temp range; % of nominal Vout

130

GENERAL SPECIFICATIONS

MTBF

Per Telecordia SR-332, 100% load, 40°C, 48Vin,

400LFM

1.4

M hours

Per Telecordia SR-332, 50% load, 25°C, 48Vin,

400LFM

6.6

M hours

Weight(without heat-spreader)

Without heat-spreader

13.2

grams

Weight(with heat-spreader)

With heat-spreader

20.8

grams

Over-Temperature Shutdown(Without heat-spreader)

Refer to figure 20 for measuring point

128

°C

Over-Temperature Shutdown(With heat-spreader)

Refer to figure 22 for measuring point

119

°C

V48SH Datasheet(PDF) 2 Page - Delta Electronics, Inc.

V48SH Datasheet(HTML) 2 Page - Delta Electronics, Inc.

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Datasheet Download

Link URL