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參數(shù)資料
| 型號(hào)： | LW006A-LP |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 6 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | DIP-18 |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大小： | 352K |
| 代理商： | LW006A-LP |
8
Lineage Power
Advance Data Sheet
April 2008
36 Vdc to 75 Vdc Inputs, 6 W
LW006-Series Power Modules:
Feature Descriptions (continued)
Output Voltage Adjustment (optional)
(continued)
The combination of the output voltage adjustment
and the output voltage tolerance cannot exceed 115%
of the nominal output voltage between the VO(+) and
VO(–) terminals where VO, nom is the typical voltage
(e.g., 5.0 V for the LW006A–LP.)
8-715(C).d
Figure 6. Circuit Configuration to Increase Output
Voltage
The LW006-Series Power Modules have a fixed cur-
rent-limit set point. Therefore, as the output voltage is
adjusted down, the available output power is reduced.
In addition, the minimum output current is a function of
the output voltage. As the output voltage is adjusted
down, the minimum required output current can
increase (i.e., minimum power is constant).
Output Overvoltage Protection
The output overvoltage clamp consists of control cir-
cuitry, almost entirely independent of the secondary
regulation circuitry, that monitors the voltage on the
output terminals. This control loop has a higher voltage
set point than the primary loop (see Feature Specifica-
tions table). In a fault condition, the overvoltage clamp
ensures that the output voltage is not excessive. This
provides a redundant voltage-control that reduces the
risk of output overvoltage.
Parallel Module Operation
Units with the –LP option can be operated in parallel by
directly connecting the output voltage pins (pin 1 and
pin 2). The load regulation of the parallel units provides
the load sharing capability. When paralleling modules,
the output power should not exceed:
POUT = 0.9 x PO, max x n
where:
n
=
number of paralleled converters
PO, max
=
output power of a single converter
Note: Units without the parallel capability option have
improved load regulation which results in a bet-
ter voltage tolerance. The modules with parallel
capability have a “–LP” suffix. The modules with-
out parallel capability have tight tolerance and a
“–L” suffix. Call technical support for details.
Thermal Considerations
Sufficient cooling should be provided to help ensure
reliable operation of the power module. Heat-dissipat-
ing components inside the unit are thermally coupled to
the case. Heat is removed by conduction, convection,
and radiation to the surrounding environment. Proper
cooling can be verified by measuring the case temper-
ature. The case temperature (TC) should be measured
at the position indicated in Figure 7.
8-2619(C).a
Note: Dimensions are in millimeters and (inches). Pin locations are
for reference only.
Figure 7. Case Temperature Measurement
Location
VI(+)
VI(-)
VO(+)
VO(-)
TRIM
Radj-up
RLOAD
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