GS2T5-9 Datasheet, PDF (1/2 Pages) STMicroelectronics – 2 W LAN DC-DC CONVERTER

GS2T5-9
2 W LAN DC-DC CONVERTER
Type
GS2T5-9
V_in
V_out
I_out
5V
9 V 250 mA
DESCRIPTION
The GS2T5-9 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 standard 5V input voltage, according to IEEE
802.3 Standard.
ELECTRICAL CHARACTERISTICS (Tamb.= 25° C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
Vi
Input Voltage
Iir
Input Reflected
Current
Vo Output Voltage
Vor Output Ripple Voltage
δVo Line Regulation
δVo Load Regulation
Io
Output Current*
Vis Isolation Voltage
η
Efficiency
Vo= -9V
Vi= 5V
Vo = -9V
Vi= 4.5 to 5.5V
Vi= 5V
Vi = 4.5 to 5.5
Vi = 5V
Vi = 4.5 to 5.5V
Io= 0 to 250mA
Io = 250mA
Io= 0 to 250mA
Io = 250mA
Io = 250mA
Io = 20 to 250mA
Vo = -9V
Vi= 5V
Io= 250mA
4.5
5
5.5
V
25 30 mApp
-8.55 -9.00 -9.45 V
7
10 mVrms
5 mV
5 mV
0
250 mA
2500
Vdc
70 73
%
Top Operating
Temperature Range
0
+70 °C
Tstg Storage Temperature
Range
-40
+85 °C
* Note: when output current is less than 20mA, the output ripple voltage increases due to discontinuous operation.
December 1993
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