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参数资料
| 型号： | FC400R1-29 |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 400 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 16/18页 |
| 文件大小： | 521K |
| 代理商： | FC400R1-29 |
Tyco Electronics Corp.
7
Advance Data Sheet
July 2001
18 Vdc to 36 Vdc Input, 28 Vdc Output; 400 W
FC400R1-29 Power Module; dc-dc Converter:
Characteristic Curves (continued)
1-0331
Note: Tested with a 1000 F aluminum and a 1.0 F ceramic capaci-
tor across the load.
Figure 7. Typical FC400R1-29 Start-Up Transient at
Room Temperature, 28 V Input
Test Configurations
8-203 (F).o
Note: Measure input reflected-ripple current with a simulated source
inductance (LTEST) of 12 H. Capacitor CS offsets possible bat-
tery impedance. Measure current as shown above.
Figure 8. Input Reflected-Ripple Test Setup
8-513 (F).n
Note: Use a 0.1 F ceramic capacitor and a 330 F aluminum or
tantalum capacitor. The 330 F capacitor is needed for stabil-
ity. 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 9. Peak-to-Peak Output Noise Measurement
Test Setup
8-683 (F).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 10. Output Voltage and Efficiency
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 configuration in Figure 8, 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.
OUTPUT
V
O
LT
A
GE,
V
O
(V)
(10
V/div)
V
ON/OFF
(V)
(5
V/div)
TIME, t (20 ms/div)
Cs 220
F
100
F
TO OSCILLOSCOPE
LTEST
BATTERY
12
H
VI (+)
VI (–)
ESR < 0.1
@ 20
°C, 100 kHz
ESR < 0.3
@ 100 kHz
1.0
F
RESISTIVE
SCOPE
COPPER STRIP
330
F
VO (+)
VO (–)
LOAD
CONTACT AND
SUPPLY
II
CONTACT
VI(+)
VI(–)
SENSE(+)
SENSE(–)
VO(+)
VO(–)
DISTRIBUTION LOSSES
RESISTANCE
IO
η
VO +
() – VO –
()
[]IO
VI +
() – VI –
()
[]II
--------------------------------------------------
x 100
%
=
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相关代理商/技术参数 |
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