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參數(shù)資料
| 型號： | V48SR1R825NRFA |
| 廠商： | Delta Electronics, Inc. |
| 英文描述： | Delphi Series V48SR, 1/16th Brick 66W DC/DC Power Modules: 48V in, 1.2V, 25A out |
| 中文描述： | 德爾福系列V48SR，0.16磚66W DC / DC電源模塊：在48V電壓，為1.2V，25A條出 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 666K |
| 代理商： | V48SR1R825NRFA |
DS_V48SR1R225_01312007
9
(
)
=
×
+
×
×
=
K
up
Rtrim
1
51
2
10
10
511
10
6
)
10
100
(
2
11
.
Trim resistors
can also be connected to Vo+ or Vo-
but connecting this way would introduce a small error
voltage than the desired value.
The output voltage can be increased by both the remote
sense and the trim, however the maximum increase is
the larger of either the remote sense or the trim, not the
sum of both.
When using remote sense and trim, the output voltage
of the module is usually increased, which increases the
power output of the module with the same output
current.
Care should be taken to ensure that the maximum
output power of the module remains at or below the
maximum rated power.
(
)
+
=
K
up
Rtrim
2
10
511
0.6
)
(100
Vo
11
.
Ex. When Trim-up +10% (1.2V×1.1=1.32V)
Figure 19:
Circuit configuration for trim-up (increase output
voltage)
If the external resistor is connected between the TRIM
and SENSE (+) the output voltage set point increases
(Fig. 19). The external resistor value required to obtain
a percentage output voltage change
△
% is defined
as:
(
)
(
)
=
=
K
K
down
Rtrim
9
40
2
10
10
511
FEATURES DESCRIPTIONS (CON.)
When using remote sense and trim, the output voltage
of the module is usually increased, which increases the
power output of the module with the same output
current.
Care should be taken to ensure that the maximum output
power does not exceed the maximum rated power.
Output Voltage Adjustment (TRIM)
To increase or decrease the output voltage set point,
connect an external resistor between the TRIM pin and
either the SENSE(+) or SENSE(-). The TRIM pin
should be left open if this feature is not used.
Figure 18:
Circuit configuration for trim-down (decrease
output voltage)
If the external resistor is connected between the TRIM
and SENSE (-) pins, the output voltage set point
decreases (Fig. 18). The external resistor value
required to obtain a percentage of output voltage
change
△
% is defined as:
Ex. When Trim-down -10% (1.2V×0.9=1.08V)
(
)
=
K
down
Rtrim
2
10
511
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| V48SR2R520NRFA | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series V48SR, 1/16th Brick 66W DC/DC Power Modules: 48V in, 1.2V, 25A out |
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