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參數(shù)資料
| 型號： | 07QB-T0T12L |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 300 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PACKAGE, 8 PIN |
| 文件頁數(shù)： | 18/18頁 |
| 文件大小： | 494K |
| 代理商： | 07QB-T0T12L |
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
36 Vdc - 75 Vdc Input 12 Vdc /25 A Output, 1/4 Brick
Converter
March 27, 2009
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 GND pin. The Trim Up resistor should be connected between the Trim pin and the
Vout pin. Only one of the resistors should be used for any given application.
Minimum trim down voltage is 10.8V
Maximum trim up voltage is 12.6V.
The total voltage increased by trim and remote sense should not exceed 5% of the nominal output voltage.
Note:
Vo_req=Desired (trimmed) output voltage [V]
Output voltage Vo=12.006 V
%
100
_
Vo
req
Vo
delta
]
[
1
_
k
req
Vo
req
Vo
Rtrimdown
k
req
Vo
req
Vo
Rtrimup
1
_
Module
Vout
Trim
GND
Rtrimdown
Module
Vout
Trim
GND
Rtrimup
9.8
10.02 10.24 10.46 10.68 10.9
11.12 11.34 11.56 11.78
12
0
40
80
120
160
200
240
280
320
360
400
Adjusted output voltage Vo,adj (V)
T
ri
m
re
si
st
o
r
v
a
lu
e
R
tr
im
_
d
o
w
n
(K
O
h
m
)
12
12.12 12.24 12.36 12.48 12.6
12.72 12.84 12.96 13.08 13.2
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
Adjusted output voltage Vo,adj(V)
T
ri
m
re
si
st
o
r
v
a
lu
e
,R
tr
im
_
u
p
(K
O
h
m
)
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