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參數資料
| 型號： | XRAH-03L1A0 |
| 廠商： | Bel Fuse Inc. |
| 英文描述： | NON-ISOLATED DC/DC CONVERTERS |
| 中文描述： | 非隔離式DC / DC轉換器 |
| 文件頁數： | 3/7頁 |
| 文件大?。?/td> | 192K |
| 代理商： | XRAH-03L1A0 |
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
5 Vdc - 24 Vdc Input 0.9 Vdc - 3.3 Vdc/3 A Output
General Specifications
Parameter
Efficiency
Min
85%
82%
79%
77%
74%
72%
Typ
88%
85%
82%
80%
77%
75%
Max
-
-
-
-
-
-
Notes
V
O
=3.3 V
V
O
=2.5 V
V
O
=1.8 V
V
O
=1.5 V
V
O
=1.2 V
Vo=0.9 V
Vin=12.0V; lo=lo, max
Switching Frequency
250 kHz
300 kHz
360 kHz
Calculated Per Bell Core SR-332
(Vin=12 V; Vo=3.3 V; I
O
=2.4 A; T
a
=
25
°
C)
MTBF
9,900,543 hours
Dimensions (surface mount)
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Dimensions (vertical)
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Weight
0.78 x 0.7 x 0.32
19.81 x 17.78 x 8.13
0.7 x 0.308 x 0.65
17.78 x 7.82 x 16.51
4.9 g
-
-
Control Specifications
Parameter
Remote On/Off
Signal Low (Unit Off)
Signal High (Unit On)
Output Trim Equations
Equations for calculating the trim resistor given the desired adjusted voltage (Vadj) and the nominal output voltage
of the converter (Vo) are shown below. 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.
Vo
up
Vadj
_
Min
Typ
Max
Notes
-0.3 V
2.8 V
-
-
1 V
24 V
Remote on/off pin open, Unit On
Note:
Output voltage Vo=0.902 V when Rtrim_up is not connected.
Vout
Trim
GND
Rtrim-up
Module
Kohm
up
Rtrim
=
1
928
.
_
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| XRAH-07A1A0 | 制造商:BEL 制造商全稱:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS |
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