參數(shù)資料
型號(hào): FW250R1
廠(chǎng)商: LINEAGE POWER LLC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 256.95 W DC-DC REG PWR SUPPLY MODULE
封裝: MODULE-20
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 561K
代理商: FW250R1
Lineage Power
3
Data Sheet
April 2008
36 Vdc to 75 Vdc Input, 28 Vdc Output; 250 W to 300 W
FW250R1 and FW300R1 Power Modules: dc-dc Converters:
Electrical Specifications (continued)
Table 2. Output Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Output Voltage Set Point
(VI = 48 V; IO = IO, max; TC = 25 °C)
VO, set
27.45
28.0
28.55
Vdc
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life; see
Figure 10 and Feature Descriptions.)
VO
27.16
28.84
Vdc
Output Regulation:
Line (VI = 36 V to 75 V)
Load (IO = IO, min to IO, max)
Temperature (TC = –40 °C to +100 °C)
0.01
0.05
100
0.1
0.2
300
%VO
mV
Output Ripple and Noise Voltage
(See Figures 4 and 9.):
RMS
Peak-to-peak (5 Hz to 20 MHz)
50
200
mVrms
mVp-p
External Load Capacitance:
FW250R1
FW300R1
330
*
F
Output Current
(At IO < IO, min, the modules may exceed output
ripple specifications.):
FW250R1
FW300R1
IO
0.3
9
10.7
A
Output Current-limit Inception
(VO = 90% of VO, set; see Feature Descriptions.)
IO, cli
130
%IO, max
Output Short-circuit Current
(VO = 1.0 V; indefinite duration, no hiccup mode;
see Figure 2.)
150
%IO, max
Efficiency (VI = 48 V; IO = IO, max; TC = 25 °C;
see Figures 3 and 10.):
FW250R1
FW300R1
η
90.5
%
Switching Frequency
475
kHz
Dynamic Response
(IO/t = 1 A/10 s, VI = 48 V, TC = 25 °C; tested
with a 330 F aluminum and a 1.0 F ceramic
capacitor across the load; see Figures 5 and 6.):
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)
250
200
250
200
mV
s
mV
s
* Consult your sales representative or the factory.
These are manufacturing test limits. In some situations, results may differ.
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