參數(shù)資料
型號(hào)： Q48SK12025NRFH
元件分類： 電源模塊
英文描述： 1-OUTPUT 300 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, QUARTER BRICK PACKAGE-6
文件頁(yè)數(shù)： 6/13頁(yè)
文件大小： 387K
代理商： Q48SK12025NRFH
DS_Q48SK12025_07012010
2
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;
PARAMETER
NOTES and CONDITIONS
Q48SK12025 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient
100ms
100
Vdc
Operating Hot Spot Temperature (Without heat spreader)
Refer to figure 18 for measuring point
-40
118
°C
Operating Case Temperature (With heat spreader)
Refer to figure 20 for measuring point
-40
112
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
36
48
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32.0
34.0
36.0
Vdc
Turn-Off Voltage Threshold
30.0
32.0
34.0
Vdc
Lockout Hysteresis Voltage
2
Vdc
Maximum Input Current
100% Load, 36Vin
11
A
No-Load Input Current
Vin=48V, Io=0A
160
mA
Off Converter Input Current
Vin=48V, Io=0A
10
mA
Inrush Current (I
2t)
1
A
2s
Input Reflected-Ripple Current
P-P thru 12H inductor, 5Hz to 20MHz
10
mA
Input Voltage Ripple Rejection
120 Hz
-30
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=0, Tc=25°C
11.4
11.7
12.0
Vdc
Output Voltage Regulation
Over Load
Vin=48V, Io=Io,min to Io,max
±
30
±
80
mV
Over Line
Vin=36V to 75V, Io=Io min
±
50
mV
Over Temperature
Vin=48V, Tc=-40°C to 85°C
±
100
mV
Total Output Voltage Range
over sample load, line and temperature
11.2
12.0
Vdc
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1F ceramic, 10F tantalum
120
mV
RMS
Full Load, 1F ceramic, 10F tantalum
50
mV
Operating Output Current Range
0
25
A
Output DC Current-Limit Inception
Output Voltage 10% Low
110
140
%
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
48V, 10F Tan & 1F Ceramic load cap, 0.1A/s
Positive Step Change in Output Current
50% Io.max to 75% Io.max
300
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
300
mV
Settling Time (within 1% Vout nominal)
300
s
Turn-On Transient
Start-Up Time, From On/Off Control
70
ms
Start-Up Time, From Input
80
ms
Maximum Output Capacitance
Full load;
20000
F
EFFICIENCY
100% Load
Vin=48V
95.2
%
60% Load
Vin=48V
94.7
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
M
Isolation Capacitance
1000
pF
FEATURE CHARACTERISTICS
Switching Frequency
160
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off at Ion/off=1.0mA
0
0.8
V
Logic High (Module Off)
Von/off at Ion/off=0.0 A
2
50
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
0
0.8
V
Logic High (Module On)
Von/off at Ion/off=0.0 A
2
50
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
1
mA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
50
uA
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
115
140
%
GENERAL SPECIFICATIONS
MTBF(with heat spreader)
Io=100% of Io, max; Tc=40°C;Airflow=600LFM
2.6
M hours
Weight(without heat spreader)
50.5
grams
Weight(with heat spreader)
65.5
grams
Over-Temperature Shutdown ( Without heat spreader)
Refer to figure 18 for measuring point
126
°C
Over-Temperature Shutdown
(With heat spreader)
Refer to figure 20 for measuring point
122
°C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Q48SK12025NRFN 制造商:Delta Power 功能描述:
Q48SK12025PKFA 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules: 36~75V in, 12V/25A out, 300W
Q48SK12025PKFH 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules: 36~75V in, 12V/25A out, 300W
Q48SK12025PKFN 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules: 36~75V in, 12V/25A out, 300W
Q48SK12025PNFA 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules: 36~75V in, 12V/25A out, 300W
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