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參數(shù)資料
| 型號： | S7DB-04C500R |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | DIP-12 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 295K |
| 代理商： | S7DB-04C500R |
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
3.3 Vdc Input
5 Vdc/4 A Output
Output Trim Equations
Equations for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) and the nominal
output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected
between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground.
Only one of the resistors should be used for any given application.
79
.
8
109
.
12
=
adj
nom
down
trim
V
R
62
.
5
82
.
3
=
nom
adj
up
trim
V
R
Note:
For Trim Up, the output voltage Vnom = 5.025 V
Efficiency Data
70.0%
75.0%
80.0%
85.0%
90.0%
95.0%
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Output Current (A)
E
ff
ici
en
cy
3.0V
3.3V
3.6V
Vo=5 V
Vout
Trim
GND
Rtrim-down
Module
Vout
Trim
GND
Rtrim-up
Module
NOT
FOR
NEW
DESIGNS
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