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參數(shù)資料
| 型號： | QMS14DG |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 70 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-8 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 453K |
| 代理商： | QMS14DG |
MCD10143 Rev.1.0, 27-Jan-10
Page 4 of 20
www.power-one.com
QMS DC-DC Series Data Sheet
Wide-Range Input, 70 to 82W Quarter-Brick Converters
Output Specifications
All specifications apply over specified input voltage, output load, and @ 40
OC ambient temperature, unless
otherwise noted.
QMS25DE: 3.3V / 25A
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Voltage (Set-point)
Vin = 36V, Io =25A
3.25
3.30
3.35
VDC
10
mV
Line Regulation
Vi =18V to 60V, Io =50% Io.max
0.3
%
25
mV
Load Regulation
Vin =36V, Io.min to Io.max
0.75
%
Temperature Coefficient
-40
C < TAMB < +85 C
0.02
%/
C
3.12
3.48
VDC
Total Error Band
(Line, Load, Temperature,
Ripple, Life)
+/- 5.5
%
Output Power
1
w/ proper thermal derating
82.5
W
Output Current
1
w/ proper thermal derating
0
25
A
Output Current Limit Threshold
Vin = 36 V, Vo < 90%Vonom
125
150
%Iomax
50
100
mVP-P
1.5
3.0
%
Output Ripple
2
Over line and load,
-40
C < TAMB < +85 C
(DC to 20 MHz)
17
35
mVRMS
Dynamic Regulation
3
Peak Deviation
Settling Time
Peak Deviation
Settling Time
75-100-75% load step change,
to 1% error band, Co=0 F
Slew = 1.0A/
s >>>
Slew = 0.1A/
s >>>
+/-165
500
+/-165
500
+/-330
1,000
+/-330
1,000
mV
s
mV
s
Efficiency
4
(TAMB=40C)
Vin NOM, IO = I
RATED
90
%
Turn-on Overshoot
5
Overall input voltage, load,
and temperature conditions
5
10
%Vout
Turn-On Time
f (VIN)
5
Time from Vin=UVLO to
90% of VoutNOM
2
10
150
ms
Turn-On Time
f (On/Off)
6
Time from enable to
90% of VoutNOM
50
250
ms
Rise Time
5
From 10 to 90% of VoutNOM
1
2
ms
Admissible Load Capacitance
7
Irated, Nom Vin
330
8,220
F
Switching Frequency
300
kHz
Notes:
1
see Figures 37 and 40
2
see Figure 18 for ripple waveform and Figure 46 for measurement method.
3
see Figures 12 and 15
4
see Figure 3
5
see Figure 6
6
see Figure 9
7
A minimum 330
F (AVX, TPSD337K006R0045) is recommended for operation over full load, line and temperature range.
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