H48SA12025NNFA Datasheet, PDF (2/14 Pages) Delta Electronics, Inc. – Delphi Series H48SA, Half Brick Family DC/DC Power Modules: 48V in, 12V/25A out

TECHNICAL SPECIFICATIONS
(T_A=25°C, airflow rate=300 LFM, V_in=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
Operating Device Temperature(Openframe)
Operating Device Temperature(Heatspreader)
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(I²t)
Input Terminal Ripple Current
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
Operating Output Power Range
Output DC Current Protection
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)
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(Openframe)
Over-Temperature Shutdown(Heatspreader)
100ms
Please refer to fig24. for the measuring point
Please refer to fig25. for the measuring point
Vin=36V, 100% Load
With 100uF external input cap
RMS, With 100uF/0.1ohm input cap, 100% Load
Pk-Pk, thru 12µH inductor, 5Hz to 20MHz, 100% Load
120 Hz
Vin=48V, Io=Io.max, Tc=25℃
Io=Io,min to Io,max
Vin=36V to 75V
Tc=-40℃ to 100℃
over sample load, line and temperature
5Hz to 20MHz bandwidth
100% Load, 1µF ceramic, 10µF tantalum
100% Load, 1µF ceramic, 10µF tantalum
Full input range
Full input range
Full input range
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io,max to 75% Io,max
75% Io,max to 50% Io,max
100% Resistor load; 5% overshoot of Vout at startup
Vin=48V
Vin=48V
Von/off
Von/off
Von/off
Von/off
Ion/off at Von/off=0.0V
Ion/off at Von/off=3V
Logic High, Von/off=15V
Pout <= max rated power
Pout <= max rated power
Over full input range; Over full temp range
Io=80% of Io, max; Ta=25°C,airflow rate=300 LFM
Open frame
Please refer to Fig 24. for the measuring point
Please refer to Fig 25. for the measuring point
H48SA12025 (Standard)
Min.
Typ.
Max.
Units
-40
-40
-55
36
32.5
30.5
1
11.82
11.64
0
0
110
48
34
32
2
170
7
50
12
±10
±10
±120
60
30
80
Vdc
100
Vdc
122
°C
109
°C
125
°C
2250
Vdc
75
Vdc
35.5
Vdc
33.5
Vdc
3
Vdc
9.5
A
240
mA
18
mA
1
A²S
0.42
A
mA
dB
12.18
Vdc
mV
mV
mV
12.36
V
120
mV
60
mV
25
A
300
W
150
%
400
mV
400
mV
400
uS
12
28
mS
12
28
mS
10000
µF
93.2
%
92.5
%
2250
Vdc
10
MΩ
1500
pF
300
kHz
-2
1.2
V
3
18
V
-2
1.2
V
3
18
V
0.3
mA
10
uA
100
uA
9.6
13.2
V
10
%
115
140
%
1.5
M hours
80
grams
127
°C
116
°C
2
DS_H48SA12025_05112009