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參數(shù)資料
| 型號(hào)： | FHS18Z28NT |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 500 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 742K |
| 代理商： | FHS18Z28NT |
REV. JUN 09, 2004
Page 3 of 11
FHS DC-DC Series Data Sheet
500-Watt, Full-Brick Converter
Input Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Input Voltage
Continuous
36
48
75
VDC
Turn-On Input Voltage
Ramping Up
1
32
34
36
VDC
Turn-Off Input Voltage
Ramping Down
1
30
32
34
VDC
Turn On/Off Hysteresis
1.5
VDC
Input over voltage protection
Turn-Off threshold
76
80
84
VDC
Input Reflected Ripple Current
Full Load, 12H source inductance
BW=20MHz
2
60
mAP-P
Inrush Transient
Vin=Vin.max
0.1
A
2s
1
Refer to Fig. 2 for waveform.
2
Refer to Fig. 10 for Test measurement circuit.
Output Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Voltage Setpoint Accuracy
Vin=Vin.nom, Full Load
27.44
28
28.56
Vdc
Output Current
1.8
18
A
Line Regulation
Vin.min to Vin.max, IRATED-MAX
0.2
0.5
%Vout
Load Regulation
Vin=Vin.nom, 10% to 100%Irated
0.5
1.0
%Vout
Output Temperature Regulation
TBaseplate = -40
OC to +110OC)
0.02
%Vo/
OC
Ripple and Noise, DC to 20MHz
1,2
Over line and load
Tamb= 0
°C to 85°C
150
30
mVP-P
mVRMS
Dynamic Regulation
Peak Deviation
Settling Time
50-75% load step change
to 1% error band
700
250
800
750
mV
s
Output Turn-On Time
3
To 97% VoNOM
15
25
ms
Admissible Load Capacitance
IRATED, resistive load, VinNOM
100
F/A
Backdrive Protection
No damage to converter
Yes
Switching Frequency
400
kHz
1
At Iout<Iout-min, the output may contain low frequency component that exceeds ripple specifications.
2
See Figure 11 for test setup
3
Refer to fig. 3
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