GS1T70-D540 Datasheet, PDF (4/5 Pages) STMicroelectronics – ISDN DC-DC CONVERTER

GS1T70-D540/2
Figure 3. Voltage Supply operating area
Vin
Input Voltage
Voltage Supply Operating Area
115 V
Input current < 10 µA Area
28-44 V
28 V
18 V
0V
t >1 s
VOLTAGE SUPPLY OPERATING AREA
Figure 3 shows the Voltage Supply Operating area
during a switching OFF-ON sequence.The start-up
voltage is 44V maximum.
Figure 4. Typical application example
3
1
GS5AC-40
+
40 V
4
Led
-
2
5
+
Mains
input
AC/DC converter
Relay/Led
6
-
Relay
t > 1 ms
t
One second after U-interface disconnection, and if
the input voltage remains below 18V, the maximum
quiescent input current value remains below than
10µA.
1
GS1T70-D540/2
2
5
+
40 V ₆
-
3
+
DC/DC converter
5V 4
-
So
"S"
interf.
"U"
interf.
Uo
NT1 board
4/5
20 January 1997