LT1103 Datasheet, PDF (10/32 Pages) Linear Technology – Offline Switching Regulator

LT1103/LT1105
TYPICAL PERFOR A CE CHARACTERISTICS
LT1103 Driver Current vs
Temperature
50
40
30
20
10
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G41
LT1105 Current Limit Threshold
Voltage vs Temperature
450
DC = 25°C
425
400
375
350
325
300
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G46
LT1105 V_SW Low Saturation
Voltage vs Temperature
3.0
2.5
2.0
1.5
I_SW = 750mA
1.0
0.5
I_SW = 200mA
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G42
LT1105 V_SW Rise Time vs
Temperature
100
80
60
C_LOAD = 4700pF
40
C_LOAD = 1000pF
20
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G44
LT1105 V_SW High Saturation
Voltage vs Temperature
3.0
2.5
2.0
I_SW = 750mA
1.5
I_SW = 200mA
1.0
0.5
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G43
LT1105 V_SW Fall Time vs
Temperature
100
80
60
C_LOAD = 4700pF
40
20
C_LOAD = 1000pF
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1103 G45
10