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LT3489 Datasheet(PDF) 3 Page - Linear Technology

Part # LT3489
Description  2MHz Boost DC/DC Converter with 2.5A Switch and Soft-Start
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3489 Datasheet(HTML) 3 Page - Linear Technology

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LT3489
3
3489f
TEMPERATURE (˚C)
–50
1.25
1.26
1.27
25
75
3489 G01
1.24
1.23
–25
0
50
100
125
1.22
1.21
TEMPERATURE (
°C)
–50
1.6
1.8
2.0
2.2
2.4
–25
0
25
50
3489 G02
75
100
125
TEMPERATURE (
°C)
–50
1.5
2.0
2.5
25
75
3489 03
1.0
0.5
0
–25
0
50
3.0
3.5
4.0
100
SWITCH CURRENT (A)
1
0
100
200
300
400
500
600
0.5
1.0
1.5
2.0
3489 G04
2.5
–50
°C
25
°C
125
°C
TEMPERATURE (˚C)
–50
3.0
3.5
4.0
25
75
3489 G05
2.5
2.0
–25
0
50
100
125
1.5
1.0
VOUT
100mV/DIV
AC COUPLED
IL
1A/DIV
VSW
10V/DIV
200ns/DIV
VIN = 3.3V
AVDD = 8V
ILOAD, AVDD = 400mA
VON = 23V, 10mA
VOFF = –8V, 20mA
3489 G06
Feedback Pin Voltage
Oscillator Frequency
Current Limit
Switch VCE(SAT) Voltage
Quiescent Current
Switching Waveform for
the Cover Page Circuit
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25°C unless otherwise noted.



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