GS1T70-D540 Datasheet, PDF (2/5 Pages) STMicroelectronics – ISDN DC-DC CONVERTER

GS1T70-D540/2
ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified)
Std. Conditions:
Line Termination voltage: 47 to 71V
87 to 115V
Line Resistance (Rs): 0 to 600 Ω
550 to 1400 Ω
Symbol
Parameter
Test Conditions
Min Typ Max Unit
Vi
Vist
Vo1
Vo2
Vor1
Vor2
Io1
Input Voltage
Start Up Input
Voltage
Output Voltage 1
Output Voltage 2
Output Ripple
Voltage 1
Output Ripple
Voltage 2
Output Current 1
Po2 Output Power 2
Io2max Max Output Current 2
Iosc2 Output 2 Short
Circuit Current
Vis Insulation Voltage
MTBF
Top
Tstg
Mean Time Before Failure
Operating Ambient
Temperature Range
Storage
Temperature Range
Std. Conditions
28
115
V
See fig. 3
28
44
V
Std. Conditions
4.75
5
5.25
V
Std. Conditions
34
40
42
V
Std. Conditions
BW = 0 to 20MHz
5
20 mVpp
Std. Conditions
BW = 0 to 20MHz
10
30 mVpp
Std. Conditions
Po2 = 410 mW Vo1 = 5V
2
72
mA
Std. Conditions
Vo1 = 4.75 to 5.25V
Vo2 = 34 to 42 V
0
420 mW
Std. Conditions
Io1 = 2 to 72 mA
12
mA
Vo2 = 34 to 40V
Std. Conditions
Output Shorted (Indefinite time)
9.8
mA
Input to Output 2
Output 1 to Output 2 (*)
f = 50 Hz
3000
VRMS
Ground Fixed
1
Mhours
-20
+70
°C
- 40
+85
°C
(*) no insulation is provided between input and output 1
OUTPUT POWER CHARACTERISTICS
LT (Line Termination Voltage) = 47V to 71V
Rs (Line Resistance) = 0 to 600 Ω
LT (Line Termination Voltage) = 87V to 99V
Rs (Line Resistance) = 550 to 1400 Ω
Max
Input
Power
(mW)
NT Status
Min
Min
Output Output
Power 1 Power 2
(5V)[mW] (40V)[mW]
Max
Input
Power
(mW)
NT Status
Min
Min
Output Output
Power 1 Power 2
(5V)[mW] (40V)[mW]
450
Activated
320
950 (*) Activated Emergency
320
90
Deactivated
40
180 Deactivated Emergency 40
1050 (*)
Activated with 40 V
Short circuit
320
0
410
0
45
Short
circuit
450
Activated
320
950 Activated Emergency
320
90
Deactivated
40
180 Deactivated Emergency 40
1050
Activated with 40V
Short circuit
320
0
410
0
45
Short
circuit
N.B.: with the following output loads:
Po1 (5V) : 15 mW and Po2 (40 V) : 410 mW , maintained for a time t > 2s, Vo2 = 34 to 42 V
(*) Note: the values indicated are subordinated to the available input power
2/5
20 January 1997