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LTC3113 数据表(PDF) 6 Page - Linear Technology

部件名 LTC3113
功能描述  3A Low Noise Buck-Boost DC/DC Converter
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3113 数据表(HTML) 6 Page - Linear Technology

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LTC3113
6
3113f
TYPICAL PERFORMANCE CHARACTERISTICS
(TA = 25°C, VIN = 3.3V, VOUT = 3.8V unless otherwise specified)
Minimum Start-Up Voltage
vs Temperature
Oscillator Frequency vs RT
TEMPERATURE (°C)
–45
1.685
1.687
1.691
1.693
1.695
1.705
1.699
–5
35
55
3113 G19
1.689
1.701
1.703
1.697
–25
15
75
95 115
RT (kΩ)
050
0
1.0
2.5
100
200
250
3113 G20
0.5
2.0
1.5
150
300
350
OSCILLATOR FREQUENCY (MHz)
0.25
–6
–5
–3
–2
–1
0.65
1.05 1.25
3113 G21
–4
0.45
1.45 1.65 1.85
0
0.85
VOUT PULLED UP TO 5.5V
L = 2.2μH
Negative Inductor Current
vs Oscillator Frequency
Junction Temperature Rise
vs Continuous Load Current for
VOUT = 1.8V
LOAD CURRENT (A)
0
0
10
20
30
40
60
0.5
1
1.5
2
2.5
3
3.5
3113 G22
4
4.5
50
VIN = 1.8V
VIN = 2.4V
VIN = 3.3V
VIN = 5.5V
Junction Temperature Rise
vs Continuous Load Current for
VOUT = 3.3V
LOAD CURRENT (A)
0
0
10
20
30
40
60
0.5
1
1.5
2
3113 G23
2.5
3
3.5
4
4.5
50
VIN = 1.8V
VIN = 2.4V
VIN = 3.3V
VIN = 5.5V
Junction Temperature Rise
vs Continuous Load Current for
VOUT = 3.8V
LOAD CURRENT (A)
0
0
10
20
30
40
60
0.5
1
1.5
2
2.5
3
3.5
3113 G24
4
4.5
50
VIN = 1.8V
VIN = 2.4V
VIN = 3.3V
VIN = 5.5V
Junction Temperature Rise
vs Continuous Load Current for
VOUT = 5.5V
LOAD CURRENT (A)
0
0
10
20
30
40
60
0.5
1
1.5
2
3113 G25
2.5
3
3.5
50
VIN = 1.8V
VIN = 2.4V
VIN = 3.3V
VIN = 5.5V



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