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LT3473 Datasheet(PDF) 4 Page - Linear Technology

Part # LT3473
Description  Micropower 1A Boost Converter with Schottky and Output Disconnect
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3473 Datasheet(HTML) 4 Page - Linear Technology

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LT3473/LT3473A
3473f
Sleep Mode Quiescent Current
Sleep Mode Quiescent Current
(Not Switching)
SHDN Pin Current
TEMPERATURE (°C)
–50
90
95
100
105
050
3473 G04
100
SHDN = 3V
VIN = 3V
INPUT VOLTAGE, VIN (V)
0
96
98
100
12
3473 G5
94
92
48
214
610
16
90
88
102
SHDN = 3V
SHDN = 1.5V
TEMPERATURE (°C)
–50
1.0
1.5
3473 G06
0.5
0
0
50
100
2.5
2.0
SHDN = 3V
VIN = 3V
Switch VCE(SAT)
Switch Saturation Voltage
Schottky I-V Characteristic
SWITCH CURRENT (mA)
0
0
50
150
200
250
800
450
3473 G07
100
400
200
1000
600
1200
300
350
400
TEMPERATURE (°C)
–50
45
46
47
3473 G08
44
43
42
050
48
49
50
ISW = 100mA
100
SCHOTTKY FORWARD DROP (mV)
0
600
800
1000
800
3473 G09
400
200
500
700
900
300
100
0
200
400
600
1000
Schottky Forward Voltage
Output Disconnect Voltage Drop
Switching Frequency
TEMPERATURE (°C)
–50
400
450
3473 G10
350
300
0
50
100
550
500
ID = 100mA
COLLECTOR CURRENT (mA)
0
250
300
400
350
90°C
25°C
–45°C
80
3473 G11
200
150
20
40
60
100
100
50
0
INPUT VOLTAGE, VIN (V)
0
0.4
0.6
0.8
3473 G12
0.2
0
510
1.0
1.2
1.4
15
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25°C unless otherwise noted.



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