參數(shù)資料
型號(hào): 07QB-T0R120
廠商: BEL FUSE INC
元件分類(lèi): 電源模塊
英文描述: DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, MODULE 8 PIN
文件頁(yè)數(shù): 18/18頁(yè)
文件大小: 384K
代理商: 07QB-T0R120
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
9
ISOLATED DC/DC CONVERTERS
24 Vdc Input
12 Vdc /20 A Output
Sep. 11, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Output Trim Equations
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected
between the Trim pin and Sense (-) pin. The Trim Up resistor should be connected between the Trim pin and the
Sense (+). Only one of the resistors should be used for any given application.
Minimum trim down voltage is 10.8V
Maximum trim up voltage is 13.2V.
The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.
Note:
Vo_req=Desired (trimmed) output voltage [V]
Output voltage Vo=12.036V
[]
Ω
=
k
delta
Rtrimdown
22
.
10
511
Module
Sense(+)
Trim
Sense(-)
Rtrimdown
[]
Ω
+
=
k
delta
Vo
delta
Rtrimup
22
.
10
225
.
1
626
11
.
5
)
100
(
Module
Sense(+)
Trim
Sense(-)
Rtrimup
()
[]
%
100
_
×
=
Vo
req
Vo
delta
10.8
1 1. 04
11 .2 8
1 1 .52
1 1. 7 6
1 2
0
12 0
24 0
36 0
48 0
60 0
Vo ,adj ( V)
R
tr
im
_
do
w
n
(
K
oh
m
)
12
1 2 .2 4
12.48
12.7 2
12 .9 6
1 3 .2
0
500
1 000
1 500
2 000
2 500
Vo ,ad j (V)
R
tri
m
_
u
p
(K
o
h
m
)
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