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參數資料
| 型號： | GS2TX-9 |
| 廠商： | 意法半導體 |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 2 W LAN DC-DC CONVERTER |
| 中文描述： | 2無線局域網的DC - DC轉換器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 92K |
| 代理商： | GS2TX-9 |
GS2TX-9
2 W LAN DC-DC CONVERTER
December 1993
1/2
Type
V
in
V
out
I
out
GS2TX-9
4,5 to 15,75 V
9 V
250 mA
DESCRIPTION
The GS2TX-9 is a 2.25W unregulated DC-DC con-
verter designed to provide power, voltage regula-
tion and isolation for Local Area Network
(CHEAPERNET and ETHERNET) transceivers
from a wide range of input voltage, according to
IEEE 802.3 Standard.
ELECTRICAL CHARACTERISTICS
(T
amb.
= 25
°
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Iir
Input Voltage
Vo= 9V
Vi= 5V
Vo= -9V
Vi = 12V
Vo = -9V Io = 250mA
Vi= 4.5 to 15.75V
Io= 0 to 250mA
Vi= 5V
Io= 0 to 250mA
4.5
15.75
V
Input Reflected
Current
Io = 250mA
25
30
mApp
lir
Input Reflected
Current
2
5
mApp
Vo
Output Voltage
-8.55
-9.00
-9.45
V
Vor
Output Ripple
Voltage
Io= 250mA
7
10
mVrms
Vor
Output Ripple
Voltage
Vi= 12V
Io= 250mA
2
5
mVrms
δ
Vo
δ
Vo
Io
Vis
η
η
Top
Line Regulation
Vi= 4.75 to 5.5V
Vi= 4.5 to 15.75V
Vi= 4.5 to 15.75V Vo = -9V
Io= 250mA
Io= 20 to 250mA
5
mV
Load Regulation
5
mV
Output Current
*
0
250
mA
Isolation Voltage
2500
Vdc
Efficiency
Vi= 5V Io= 250mA
Vi= 12V Io= 250mA
70
73
%
Efficiency
75
80
%
°
C
Operating Ambient
Temperature Range
0
+70
Tstg
Storage Temperature
Range
-40
+85
°
C
*
When the input voltage is <5V and the output current is less than 20mA, the output ripple voltage increases due to discontinuous operation.
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