LT1105IN Linear Technology, LT1105IN Datasheet - Page 8

• Manufacturer Part Number: LT1105IN
• Description: IC OFFLINE SWIT CM HV 14DIP
• Manufacturer: Linear Technology

Specifications of LT1105IN

• Output Isolation: Isolated
• Frequency Range: 20 ~ 200kHz
• Voltage - Input: 7 ~ 30 V
• Voltage - Output: 20V
• Power (watts): 100W
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1103/LT1105
TYPICAL PERFORMANCE CHARACTERISTICS
8
25000
20000
15000
10000
5000
4.60
4.56
4.44
4.52
4.48
4.40
130
110
50
90
70
30
–75
–75
–75
Feedback Threshold vs
Temperature
Error Amplifier Transconductance
vs Temperature
15V Gate Bias Short-Circuit
Current vs Temperature
–50
–50
–50
–25
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
75
100
100
100
W
125
125
125
LT1103 G25
LT1103 G28
150
LT1103 G22
150
150
U
175
175
175
0.020
0.016
0.014
0.012
0.010
0.008
0.002
0.018
0.006
0.004
0
0.1
10.5
10.2
Error Amplifier Transconductance
and Phase vs Frequency
9.3
9.9
9.6
9.0
20
16
12
8
4
0
–75
–75
FB Input Bias Current vs
Temperature (V
Low Switch Drive Lockout
Threshold vs Temperature
–50
–50
PHASE
1
–25
–25
gm
FREQUENCY (kHz)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
10
C
50
50
= 1V)
75
75
PHASE
100
100
100
125
LT1103 G29
125
gm
LT1103 G26
LT1103 G23
1000
150
150
200
160
140
120
100
80
20
180
60
40
0
175
175
2500
2000
1500
20.0
19.5
19.0
18.5
18.0
17.5
17.0
1000
500
14
13
12
11
10
–75
9
7
8
–75
–75
High Switch Drive Lockout
Threshold vs Temperature
Change in FB Input Bias Current
with Change in V
(V
Error Amplifier Voltage Gain vs
Temperature
–50
–50
C
–50
= 1V to 4V)
–25
–25 0
–25
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
TEMPERATURE (°C)
25
25
25
50
50
50
C
vs Temperature
75
75
75
100
100
100
125
125
125
LT1103 G24
150
LT1103 G30
LT1103 G27
150
150 175
175
175