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參數資料
| 型號： | FW250H1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 250 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 14/20頁 |
| 文件大?。?/td> | 623K |
| 代理商： | FW250H1 |
Tyco Electronics Corp.
3
Data Sheet
September 2001
36 Vdc to 75 Vdc Input, 24 Vdc Output; 250 W to 300 W
FW250H1 and FW300H1 Power Modules; dc-dc Converters:
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.
Parameter
Symbol
Min
Typ
Max
Unit
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life; see
Figure 14 and Feature Descriptions.)
VO
23.15
—
24.85
Vdc
Output Voltage Set Point
(VI = 48 V; IO = IO, max; TC = 25 °C)
VO, set
23.45
—
24.55
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
RMS
Peak-to-peak (5 Hz to 20 MHz)
—
100
250
mVrms
mVp-p
External Load Capacitance:
FW250H1
FW300H1
—
330
—
*
F
Output Current
(At IO < IO, min, the modules may exceed output
ripple specifications.):
FW250H1
FW300H1
IO
0.1
—
10.4
12.5
A
Output Current-limit Inception
(VO = 90% of VO, set; see Feature Descriptions.)
IO, cli
103
—
130
% IO, max
Output Short-circuit Current
(VO = 1.0 V; indefinite duration, no hiccup mode;
———
150
% IO, max
Efficiency (VI = 48 V; IO = IO, max; TC = 25 °C;
FW250H1
FW300H1
η
—
89
—
%
Switching Frequency
—
475
—
kHz
Dynamic Response
(
IO/t = 1 A/10 s, VI = 48 V, TC = 25 °C; see
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)
—
2
200
2
200
—
%VO, set
s
%VO, set
s
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