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SW001A2B91 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 15 Page - Lineage Power Corporation

๋ถ€ํ’ˆ๋ช… SW001A2B91
์ƒ์„ธ๋‚ด์šฉ  18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
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์ œ์กฐ์‚ฌ  LINEAGEPOWER [Lineage Power Corporation]
ํ™ˆํŽ˜์ด์ง€  http://www.lineagepower.com
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SW001A2B91 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 15 Page - Lineage Power Corporation

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Data Sheet
December 12, 2008
SW/SC001/003 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
LINEAGE POWER
15
Feature Descriptions (continued)
Trim Up โ€“ Increase Output Voltage
By connecting an external resistor between the TRIM pin
and Vout- pin (Radj-up), the output voltage set point
increases (see figure 48). The following equation
determines the external resistor value to obtain an
output voltage change from Vo, nom to the desired Vo,
adj:
ฮฉ
โŽฅ
โŽฆ
โŽค
โŽข
โŽฃ
โŽก
โˆ’
โˆ’
โˆ’
ร—
=
โˆ’
H
K
L
V
L
G
R
adj
o
up
adj
)
( ,
Note: Values for G, H, L and K are defined for each
module version in the following table 1.
Vout+
TRIM
Vout-
Radj-up
RLOAD
Vin+
ON/OFF
Vin-
Figure 48. Circuit Configuration to Increase Output
Voltage.
Table 1. Trim Constants SW series
Module
G
H
K
L
Sx001A0C
10,000
5110
12.5
2.5
Sx001A2B
10,000
5110
9.5
2.5
Sx003A0A
5110
2050
2.5
2.5
Sx003A5F
5110
2050
0.8
2.5
The combination of the output voltage adjustment and
the output voltage initial tolerance must not exceed the
allowable trim range of 90% to 110% of the nominal
output voltage as measured between the Vout+ and
Vout- pins.
The SW/SC power modules have a fixed current-limit set
point. Therefore, as the output voltage is adjusted down,
the available output power is reduced.
Trim Examples
For SW003A0A, nominal 5.0V module. To trim module
down to 4.90V:
ฮฉ
โŽฅ
โŽฆ
โŽค
โŽข
โŽฃ
โŽก
โˆ’
โˆ’
ร—
โˆ’
=
โˆ’
2050
)
9
.
4
0
.
5
(
5110
)
5
.
2
9
.
4
(
down
adj
R
ฮฉ
=
โˆ’
590
,
120
down
adj
R


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