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LT1109A Datasheet(PDF) 3 Page - Linear Technology

Part No. LT1109A
Description  Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V
Download  8 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1109A Datasheet(HTML) 3 Page - Linear Technology

   
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LT1109A
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
TEMPERATURE (°C)
–50
160
140
120
100
80
60
–25
025
50
1109A G02
75
100
Efficiency
Oscillator Frequency
Duty Cycle
Switch Saturation Voltage
Switch Saturation Voltage
TEMPERATURE (°C)
80
75
70
65
60
55
50
1109A G03
–50
–25
0
25
50
75
100
INPUT VOLTAGE (V)
4.2
5.8
1109A G01
4.6
5.0
5.4
90
85
80
75
70
4.4
4.8
5.2
5.6
VIN = 5V
VOUT = 12V
LOAD = 120mA
L = 29
µH
ISWITCH (A)
0
1.2
1109A G04
0.4
0.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.6
1.0
1.4
VIN = 3V
VIN = 2V
VIN = 5V
TEMPERATURE (°C)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1109A G05
–50
–25
0
25
50
75
100
ISW = 650mA
Switch On Time
TEMPERATURE (°C)
8
7
6
5
4
3
1109A G06
–50
–25
0
25
50
75
100
Quiescent Current
TEMPERATURE (°C)
500
450
400
350
300
250
200
1109A G07
–50
–25
0
25
50
75
100
Quiescent Current
INPUT VOLTAGE (V)
0
500
450
400
350
300
250
16
1109A G08
4
8
12
20
26
10
14
18
TA = 25°C


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