參數(shù)資料
型號(hào)： V48SR1R825NRFA
廠商： Delta Electronics, Inc.
英文描述： Delphi Series V48SR, 1/16th Brick 66W DC/DC Power Modules: 48V in, 1.2V, 25A out
中文描述： 德?tīng)柛Ｏ盗蠽48SR，0.16磚66W DC / DC電源模塊：在48V電壓，為1.2V，25A條出
文件頁(yè)數(shù)： 2/14頁(yè)
文件大?。?/td> 666K
代理商： V48SR1R825NRFA
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
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 Over 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)
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
V48SR1R225 (Standard)
Min.
Typ.
-40
-55
36
33
34
31
32
1
2
50
10
20
60
1.188
1.200
±3
±3
±12
1.164
1.20
40
15
0
110
50
50
200
84.0
84.0
10
1100
420
2
2
-20
120
130
2.22
16
130
Max.
80
100
127
125
2250
75
35
33
3
1.2
1
1.212
±10
±10
1.236
30
25
140
30
30
30000
2250
0.7
18
0.7
18
1
50
10
10
160
Units
Vdc
Vdc
°C
°C
Vdc
Vdc
Vdc
Vdc
Vdc
A
mA
mA
A
s
mA
dB
Vdc
mV
mV
mV
V
mV
mV
A
%
mV
mV
us
ms
ms
μF
%
%
Vdc
M
pF
kHz
V
V
V
V
mA
uA
%
%
%
M hours
grams
°C
100ms
Refer to figure 21 for measuring point
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 to125°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
Full load; 5% overshoot of Vout at startup
Von/off
Von/off
Von/off
Von/off
Ion/off at Von/off=0.0V
Logic High, Von/off=15V
Pout
≦
max rated power
Pout
≦
max rated power
Over full temp range; % of nominal Vout
Io=80% of Io, max; Ta=25°C, airflow rate=300FLM
Refer to figure 21 for measuring point
DS_V48SR1R225_01312007
2
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