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參數(shù)資料
| 型號： | XRAH-03F1A0 |
| 廠商： | Bel Fuse Inc. |
| 英文描述： | NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 0.9 Vdc - 3.3 Vdc/3 A Output |
| 中文描述： | 非隔離式DC / DC轉(zhuǎn)換器3.0伏- 550伏直流電輸入0.9伏- 3.3伏/ 3 A輸出 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 249K |
| 代理商： | XRAH-03F1A0 |
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
3.0 Vdc - 5.5 Vdc Input
0.9 Vdc - 3.3 Vdc/3 A Output
General Specifications
Parameter
Efficiency
Min
88%
86%
83%
80%
77%
75%
250 kHz
Typ
92%
90%
87%
84%
81%
79%
300 kHz
Max
-
-
-
-
-
-
360 kHz
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
Measured at Vin=5 V, full load and
Ta=25
°
C
Switching Frequency
Output Trim Range (wide trim)
100%Vo
-
403%Vo
Vo=0.9 V
Calculated Per Bell Core SR-332 (Vin=
5 V; Vo=3.3 V; I
O
= 80% load; T
a
= 25
°
C)
MTBF
9,159,999 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 0.70 x 0.32
19.81 x 17.78 x 8.13
0.70 x 0.308 x 0.65
17.78 x 7.82 x 16.51
5 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.
Kohm
Vo
up
Vadj
_
Min
Typ
Max
Notes
-0.3 V
2.8 V
-
-
0.8 V
6 V
Remote on/off pin open, unit on.
Note:
Output voltage Vo=0.902V when Ttrim-up is not connected.
Vout
Trim
GND
Rtrim-up
Module
up
Rtrim
=
1
712
.
_
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| XRAH-03HXX0 | 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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| XRAH-05EXX0 | 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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