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參數(shù)資料
| 型號(hào)： | FC100A9 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 1453K |
| 代理商： | FC100A9 |
Tyco Electronics Corp.
9
Data Sheet
May 1998
18 Vdc to 36 Vdc Input, 5 Vdc Output; 50 W to 150 W
FC050A, FC100A, FC150A Power Modules: dc-dc Converters;
Feature Descriptions (continued)
Output Voltage Set-Point Adjustment
(Trim) (continued)
8-717(C).c
Figure 14. Circuit Conguration to Trim Up Output
Voltage
8-718(C).c
Figure 15. Circuit Conguration to Trim Down
Output Voltage
Adjustment Without TRIM Pin
The output voltage can be adjusted by placing an
external resistor (Radj) between the SENSE(+) and
output voltage can be increased by 14% of the nominal
output voltage. The equation below shows the
resistance required to obtain the desired output
voltage.
Radj = (VO, adj – VO, nom) 944.3
8-710(C).c
Figure 16. Circuit Conguration to Adjust Output
Voltage
Forced Load Sharing (Parallel Operation)
For either redundant operation or additional power
requirements, the power modules can be congured for
parallel operation with forced load sharing (see
Figure 17). For a typical redundant conguration,
Schottky diodes or an equivalent should be used to
protect against short-circuit conditions. Because of the
remote sense, the forward-voltage drops across the
Schottky diodes do not affect the set point of the
voltage applied to the load. For additional power
requirements, where multiple units are used to develop
combined power in excess of the rated maximum, the
Schottky diodes are not needed.
Good layout techniques should be observed for noise
immunity. To implement forced load sharing, the follow-
ing connections must be made:
s
The parallel pins of all units must be connected
together. The paths of these connections should be
as direct as possible.
s
All remote-sense pins should be connected to the
power bus at the same point, i.e., connect all
SENSE(+) pins to the (+) side of the power bus at the
same point and all SENSE(–) pins to the (–) side of
the power bus at the same point. Close proximity and
directness are necessary for good noise immunity.
When not using the parallel feature, short the
PARALLEL pin to SENSE(–).
8-581(C)
Figure 17. Wiring Conguration for Redundant
Parallel Operation
VO(+)
PARALLEL
SENSE(+)
SENSE(–)
VO(–)
VI(+)
VI(–)
IO
LOAD
CONTACT AND
DISTRIBUTION LOSSES
SUPPLY
II
CONTACT
RESISTANCE
TRIM
Rtrim-up
VO(+)
PARALLEL
SENSE(+)
SENSE(–)
VO(–)
VI(+)
VI(–)
IO
LOAD
CONTACT AND
DISTRIBUTION LOSSES
SUPPLY
II
CONTACT
RESISTANCE
TRIM
Rtrim-down
VO(+)
PARALLEL
SENSE(+)
SENSE(–)
VO(–)
VI(+)
VI(–)
IO
LOAD
CONTACT AND
DISTRIBUTION LOSSES
SUPPLY
II
CONTACT
RESISTANCE
Radj
VO(+)
PARALLEL
SENSE(+)
SENSE(–)
VO(–)
CASE
VI(+)
ON/OFF
VI(–)
VO(+)
PARALLEL
SENSE(+)
SENSE(–)
VO(–)
CASE
VI(+)
ON/OFF
VI(–)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FC150A9 | 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE |
| FC100A | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| FC100H | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| FC050H9 | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| FC050H | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
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| FC100B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
| FC100B9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
| FC100C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
| FC100C9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
| FC100F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
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