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LT1107 Datasheet(PDF) 4 Page - Linear Technology

Part No. LT1107
Description  Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1107 Datasheet(HTML) 4 Page - Linear Technology

 
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4
LT1107
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
Saturation Voltage, Step-Up Mode
Switch ON Voltage, Step-Down
(SW2 Pin Grounded)
Mode (SW1 Pin Connected to VIN)
Maximum Switch Current vs RLIM
Quiescent Current
Quiescent Current
TEMPERATURE (°C)
–55
–15
25
45
125
1107 G07
–35
5
65
85 105
100
90
80
70
60
50
40
30
20
Oscillator Frequency
Switch ON Time
Step-Down Mode
TEMPERATURE (°C)
–55
–15
25
45
125
1107 G10
–35
5
65
85 105
13
12
11
10
9
8
7
6
5
TEMPERATURE (°C)
–55
–15
25
45
125
1107 G09
–35
5
65
85 105
85
80
75
70
65
60
55
50
45
Duty Cycle
Step-Up Mode
TEMPERATURE (°C)
–55
–15
25
45
125
1107 G05
–35
5
65
85 105
400
350
300
250
200
150
100
TEMPERATURE (°C)
–55
–15
25
45
125
1107 G08
–35
5
65
85 105
16
15
14
13
12
11
10
9
8
7
6
Switch ON Time
Step-Up Mode
INPUT VOLTAGE (V)
0
400
380
360
340
320
300
280
260
240
220
200
24
1107 G06
6
12
18
30
3
915
21
27
TA = 25°C
RLIM (Ω)
10
1107 G03
100
1.5
1.4
1.3
1.2
1.1
0.9
0.8
1000
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.0
STEP-DOWN
VIN = 12V
STEP-UP
2V
≤ V
IN ≤ 5V
SWITCH CURRENT (A)
0
0.6
1107 G02
0.2
0.4
0.8
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.1
0.3
0.5
0.7
SWITCH CURRENT (A)
0
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1107 G01
1.0
1.2
VIN = 3V
VIN = 2V
VIN = 5V


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