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參數(shù)資料
| 型號： | QW050F41 |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 534K |
| 代理商： | QW050F41 |
Lineage Power
3
Data Sheet
April 2008
dc-dc Converters; 36 to 75 Vdc Input, 3.3 Vdc Output; 33 W to 50 W
QW050F1 and QW075F1 Power Modules:
Electrical Specifications (continued)
Table 2. Output Specifications
* Consult your sales representative or the factory.
These are manufacturing test limits. In some situations, results may differ.
Table 3. Isolation Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set Point
(VI = 48 V; IO = IO, max; TC = 25 °C)
All
VO, set
3.25
3.3
3.35
Vdc
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life. See
All
VO
3.20
—
3.40
Vdc
Output Regulation:
Line (VI = 36 V to 75 V)
Load (IO = IO, min to IO, max)
Temperature (TC = –40 °C to +100 °C)
All
—
0.01
0.05
15
0.1
0.2
50
%VO
mV
Output Ripple and Noise Voltage
(See Figure 14.):
RMS
Peak-to-peak (5 Hz to 20 MHz)
All
—
40
150
mVrms
mVp-p
External Load Capacitance
All
—
0
—
*
F
Output Current
(At IO < IO, min, the modules may exceed output
ripple specifications.)
QW050F1
QW075F1
IO
0.5
—
10
15
A
Output Current-limit Inception
(VO = 90% of VO, nom)
QW050F1
QW075F1
IO, cli
—
15
20
20
26
A
Efficiency (VI = 48 V; IO = IO, max; TC = 70 °C)
QW050F1
QW075F1
η
—
81
—
%
Switching Frequency
All
—
380
—
kHz
Dynamic Response
(IO/t = 1 A/10 s, VI = 48 V, TC = 25 °C; tested
with a 1000 F aluminum and a 1.0 F ceramic
capacitor across the load.):
Load Change from IO = 50% to 75% of IO, max:
Peak Deviation
Settling Time (VO < 10% of peak deviation)
Load Change from IO = 50% to 25% of IO, max:
Peak Deviation
Settling Time (VO < 10% of peak deviation)
All
—
5
700
5
700
—
%VO, set
s
%VO, set
s
Parameter
Min
Typ
Max
Unit
Isolation Capacitance
—
2500
—
pF
Isolation Resistance
10
—
M
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