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LT1111-5 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1111-5
Description  Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1111-5 Datasheet(HTML) 4 Page - Linear Technology

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4
LT1111
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
TEMPERATURE (
°C)
–50
–25
0
25
LT111 • TPC03
50
75
100
125
10
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
Oscillator Frequency
Oscillator Frequency
Switch ON Time
TEMPERATURE (
°C)
–50
40
50
60
70
80
90
100
–25
0
25
50
LT1111 • TPC01
75
100
125
INPUT VOLTAGE (V)
0
69
70
71
72
73
74
75
36
912
LT1111 • TPC02
15 18 21
68
67
24 27 30
Saturation Voltage
Saturation Voltage
Duty Cycle
Step-Up Mode
Step-Up Mode
TEMPERATURE (
°C)
–50
–25
0
25
LT1111 • TPC04
50
75
100
125
60
58
56
54
52
50
48
46
44
42
40
SWITCH CURRENT (A)
0
0.2
0.4
0.6
LT1111 • TPC06
0.8
1.0
1.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.4
VIN = 3V
VIN = 2V
VIN = 5V
TEMPERATURE (
°C)
–50
– 25
0
25
LT1111 • TPC05
50
75
100
125
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VIN = 3V
ISW = 650mA
Switch ON Voltage
Switch ON Voltage
Minimum/Maximum Frequency
Step-Down Mode
Step-Down Mode
vs ON Time
SWITCH CURRENT (A)
0
0.2
0.4
0.6
LT1111 • TPC08
0.8
1.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
VIN = 12V
TEMPERATURE (
°C)
–50
–25
0
25
LT1111 • TPC07
50
75
100
2.00
1.75
1.50
1.25
1.00
0.75
0.50
125
VIN = 12V
ISW = 650mA
SWITCH ON TIME (
µs)
4
567
LT1111 • TPC09
89
100
90
80
70
60
50
40
10
11
12
–55
°C ≤ T
A ≤ 125°C
0
°C ≤ T
A ≤ 70°C



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