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參數(shù)資料
| 型號： | FW300A1 |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 300 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-20 |
| 文件頁數(shù)： | 20/20頁 |
| 文件大?。?/td> | 593K |
| 代理商： | FW300A1 |
Lineage Power
9
Data Sheet
April 2008
dc-dc Converters; 36 to 75 Vdc Input, 5 Vdc Output; 250 W to 300 W
FW250A1 and FW300A1 Power Modules:
Characteristic Curves (continued)
8-1757 (C)
Note: Tested with a 10 F aluminum and a 1.0 F ceramic capacitor
across the load.
Figure 13. Typical FW300A1 Start-Up Transient at
Room Temperature, 48 V Input
Test Congurations
8-203 (C).o
Note: Measure input reected-ripple current with a simulated source
inductance (LTEST) of 12 H. Capacitor CS offsets possible bat-
tery impedance. Measure current as shown above.
Figure 14. Input Reected-Ripple Test Setup
8-513 (C).m
Note: Use a 0.1 F ceramic capacitor and a 10 F aluminum or
tantalum capacitor. Scope measurement should be made
using a BNC socket. Position the load between 50 mm and
76 mm (2 in. and 3 in.) from the module.
Figure 15. Peak-to-Peak Output Noise
Measurement Test Setup
8-683 (C).f
Note: All measurements are taken at the module terminals. When
socketing, place Kelvin connections at module terminals to
avoid measurement errors due to socket contact resistance.
Figure 16. Output Voltage and Efciency
Measurement Test Setup
Design Considerations
Input Source Impedance
The power module should be connected to a low
ac-impedance input source. Highly inductive source
impedances can affect the stability of the power mod-
ule. For the test conguration in Figure 14, a 100 F
electrolytic capacitor (ESR < 0.3
at 100 kHz)
mounted close to the power module helps ensure sta-
bility of the unit. For other highly inductive source
impedances, consult the factory for further application
guidelines.
TIME, t (5 ms/div)
OUTPUT
VOLTAGE,
V
O
(V)
(1
V/div)
REMOTE
ON/OFF,
V
O
N/OFF
(V)
TO OSCILLOSCOPE
12 H
VI(+)
VI(–)
BATTERY
LTEST
Cs 220 F
ESR < 0.1
@ 20
°C, 100 kHz
100 F
ESR < 0.3
@ 100 kHz
VO(+)
VO(–)
1.0 F
RESISTIVE
LOAD
SCOPE
COPPER STRIP
10.0 F
VI(–)
VO(+)
SENSE(+)
SENSE(–)
VO(–)
VI(+)
IO
LOAD
CONTACT AND
DISTRIBUTION LOSSES
SUPPLY
II
CONTACT
RESISTANCE
η
VO +
() – VO –
()
[]IO
VI +
() – VI –
()
[]II
--------------------------------------------------
x 100
%
=
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