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LTC3127 Folha de dados(PDF) 4 Page - Linear Technology

Nome de Peças LTC3127
Descrição Electrónicos  1A Buck-Boost DC/DC Converter with Programmable Input Current Limit
PDF  20 Pages
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LTC3127 Folha de dados(HTML) 4 Page - Linear Technology

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LTC3127

3127f
Typical perForMance characTerisTics
Average Input Current Limit
vs VIN (Normalized)
Average Input Current Limit
vs Temperature (Normalized)
Quiescent Current vs VIN (Fixed
Frequency Mode–Not Switching)
Burst Mode Quiescent Current
vs VIN
No Load Input Current vs VIN in
Burst Mode Operation
Efficiency vs Load Current
Efficiency vs Load Current
Efficiency vs Load Current
(TJ = 25°C, unless otherwise noted )
VIN (V)
1.8
–1
2
2.6
3.4
4.2
–3
–2
–4
–5
1
0
2.2
3
5
3.8
4.6
5.4
3127 G04
VOUT = 3.3V
RPROG = 32.4k
TEMPERATURE (°C)
–45
–1
2
–15
15
45
–3
–2
–4
–5
1
0
–30
0
75
30
60
90
3127 G05
VOUT = 3.3V
RPROG = 32.4k
PWM
BURST
LOAD CURRENT (mA)
0.1
10
100
1000
1
3127 G01
VIN = 1.8V
VIN = 3.6V
VIN = 5V
40
50
60
70
80
30
20
10
0
90
100
VOUT = 1.8V
BURST
PWM
LOAD CURRENT (mA)
0.1
10
100
1000
1
3127 G02
VIN = 2.9V
VIN = 3.6V
VIN = 4.3V
40
50
60
70
80
30
20
10
0
90
100
VOUT = 3.3V
100
10
1000
1
0.1
10000
BURST
PWM
LOAD CURRENT (mA)
3127 G03
VIN = 4.5V
VIN = 5V
VIN = 5.5V
40
50
60
70
80
30
20
10
0
90
100
VOUT = 5V
VIN (V)
1.8
51.5
52.0
4.6
51.0
50.5
2.6
3.4
2.2
3
3.8
5
4.2
5.4
49.0
48.5
50.0
52.5
49.5
3127 G08
VOUT = 3.3V
VIN (V)
1.8
390
410
4.6
370
350
2.6
3.4
2.2
3
3.8
5
4.2
5.4
290
270
330
430
310
3127 G06
VIN (V)
1.8
35
38
2.6
3.4
4.2
33
34
32
37
36
2.2
3
5
3.8
4.6
5.4
3127 G07



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