TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=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
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current(I
2
t)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Load
Over Line
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Capacitance
EFFICIENCY
100% Load
60% Load
ISOLATION CHARACTERISTICS
Input to Output
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Logic High (Module Off)
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
Weight
Over-Temperature Shutdown
NOTES and CONDITIONS
E48SH12010 (Standard)
Min.
Typ.
Max.
75
100
123
125
2250
75
34
32
2
50
3
1
35
33
2.5
4.2
Units
Vdc
Vdc
°C
°C
Vdc
Vdc
Vdc
Vdc
Vdc
A
mA
mA
A
2
s
mA
dB
Vdc
mV
mV
mV
V
mV
mV
A
%
mV
mV
us
ms
ms
µF
%
%
2250
10
1500
200
Vdc
MΩ
pF
kHz
0.7
18
0.7
18
1
50
5
5
15
2.02
25
128
V
V
V
V
mA
uA
%
%
V
M hours
grams
°C
100ms
Refer to Figure 21 for measuring point
-40
-55
36
33
31
1.5
100% Load, 36Vin
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
Vin=48V, Io=Io.max, Tc=25°C
Io=Io,min to Io,max
Vin=36V to 75V
Tc=-40°C to 115°C
over sample load, line and temperature
5Hz to 20MHz bandwidth
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
Output Voltage 10% Low
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
11.88
20
50
12.00
±3
±3
±15
11.82
30
10
0
110
80
80
100
10
10
12.12
±10
±10
12.18
60
20
10
130
Full load; no overshoot of Vout at startup
93.5
94.0
5000
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Ion/off at Von/off=0.0V
Logic High, Von/off=15V
Across Pins 9 & 5, Pout
≦
max rated power
Pout
≦
max rated power
Over full temp range; % of nominal Vout
Io=80% of Io, max; 300LFM @25C
Refer to Figure 21 for measuring point
2
2
-20
DS_E48SH12010_02262007
2
DELTA [ DELTA ELECTRONICS, INC. ]
