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參數(shù)資料
| 型號： | FC250H1 |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | MODULE-20 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 564K |
| 代理商： | FC250H1 |
10
Lineage Power
Data Sheet
April 2008
18 Vdc to 36 Vdc Input, 24 Vdc Output; 250 W
FC250H1 Power Module: dc-dc Converter;
Feature Descriptions (continued)
Output Voltage Set-Point Adjustment (Trim)
(continued)
With an external resistor connected between the TRIM
and SENSE(+) pins (Radj-up), the output voltage set
point (VO, adj) increases (see Figure 15).
The following equation determines the required exter-
nal-resistor value to obtain a percentage output voltage
change of
%.
The test results for this conguration are displayed in
Figure 16.
The voltage between the VO(+) and VO(–) terminals
must not exceed the minimum value of the output over-
voltage protection as indicated in the Feature Speci-
cations table. This limit includes any increase in voltage
due to remote-sense compensation and output voltage
set-point adjustment (trim). See Figure 12.
Although the output voltage can be increased by both
the remote sense and by the trim, the maximum
increase for the output voltage is not the sum of both.
The maximum increase is the larger of either the
remote sense or the trim. Consult the factory if you
need to increase the output voltage more than the
above limitation.
The amount of power delivered by the module is
dened as the voltage at the output terminals multiplied
by the output current. When using remote sense and
trim, the output voltage of the module can be
increased, which at the same output current would
increase the power output of the module. Care should
be taken to ensure that the maximum output power of
the module remains at or below the maximum rated
power.
8-748 (C).b
Figure 13. Circuit Conguration to Decrease
Output Voltage
8-1930 (C)
Figure 14. Resistor Selection for Decreased Output
Voltage
8-715 (C).b
Figure 15. Circuit Conguration to Increase
Output Voltage
8-1931 (C)
Figure 16. Resistor Selection for Increased Output
Voltage
Radj-up
VO, nom 1
%
100
----------
+
() 1.225
–
()
1.225
%
()
------------------------------------------------------------------------- 205
2.255
–
k
=
VI(+)
VI(–)
ON/OFF
CASE
VO(+)
VO(–)
SENSE(+)
TRIM
SENSE(–)
Radj-down
RLOAD
10
20
30
1
10
PERCENT CHANGE IN OUTPUT VOLTAGE (
%)
ADJUSTMENT
RESISTOR
VALUE
(
)
1k
40
0
100
VI(+)
VI(–)
ON/OFF
CASE
VO(+)
VO(–)
SENSE(+)
TRIM
SENSE(–)
Radj-up
RLOAD
24
68
10
100
PERCENT CHANGE IN OUTPUT VOLTAGE (
%)
ADJUSTMENT
RESISTOR
VALUE
(
)
10k
10
0
1k
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| FC250H1 | 1-OUTPUT 250 W DC-DC REG PWR SUPPLY MODULE |
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