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LT1105C Datasheet(PDF) 6 Page - Linear Technology

Part # LT1105C
Description  Offline Switching Regulator
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1105C Datasheet(HTML) 6 Page - Linear Technology

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6
LT1103/LT1105
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (
°C)
–75
14.5
15.0
15.5
16.0
16.5
17.0
17.5
–25
25
75
125
LT1103 G07
175
–50
0
50
100
150
VIN Start-Up Threshold vs
Temperature
VIN Shutdown Threshold vs
Temperature
TEMPERATURE (°C)
–75
7.4
7.7
8.0
125
LT1103 G08
7.1
6.8
6.5
–25
25
75
175
–50
0
50
100
150
Output Switch Frequency vs
Temperature
TEMPERATURE (°C)
–75
35
37
41
43
45
–25
25
50
150
LT1103 G09
39
–50
0
75 100 125
COSC = 1000pF
Preset Switch Maximum Duty
Cycle vs Temperature
Switch Oscillator Frequency vs
Capacitance
CAPACITANCE (pF)
100
10
100
1000
1000
10000
LT1103 G11
Overvoltage Lockout Threshold vs
Temperature
TEMPERATURE (°C)
–75
2.6
2.8
3.0
125
LT1103 G12
2.4
2.2
2.0
–25
25
75
175
150
100
50
0
–50
TEMPERATURE (°C)
–75
69
72
75
125
LT1103 G10
66
63
60
–25
25
75
175
150
100
50
0
–50
COSC = 1000pF
Quiescent Supply Current vs
Temperature
Shutdown Supply Current vs
VC Voltage
Shutdown Supply Current vs
Input Voltage
TEMPERATURE (°C)
–75
18
20
22
125
LT1103 G04
16
14
12
–50 –25
0
175
25 50 75 100
150
21
19
17
15
13
30V
8V
INPUT VOLTAGE (V)
0
0
50
150
200
250
500
350
10
20
25
LT1103 G05
100
400
450
300
5
15
30
35
VC = 75mV
VC = 0
VC (mV)
0
300
400
500
160
LT1103 G06
200
100
0
40
80
120
200
50
150
250
350
450
20
60
100
140
180
25°C
125°C
–55°C



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