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LTC3428 Scheda tecnica(PDF) 4 Page - Linear Technology

Il numero della parte LTC3428
Spiegazioni elettronici  4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm 3mm DFN
PDF  12 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC3428 Scheda tecnica(HTML) 4 Page - Linear Technology

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LTC3428
4
3428fb
Output Voltage Ripple with 22μF
Ceramic Capacitor
Converter Efficiency
Switch RDS(ON) vs VOUT
SWA, SWB Rise Time, I = 2A
Switch RDS(ON) vs Temperature
Feedback Voltage vs Temperature
3428 G04
500ns/DIV
50mV/DIV
LOAD CURRENT (A)
0.05
95
90
85
80
75
70
65
60
55
0.1
1
2
3428 G05
3.3V TO 5V
2.5V TO 3.3V
2.5V TO 5V
OUTPUT VOLTAGE (V)
2.5
108
106
104
102
100
98
96
94
92
90
88
4.5
3428 G06
3.0
3.5
4.0
5.0
3428 G07
10ns/DIV
1V/DIV
120
110
100
90
80
70
60
3428 G08
TEMPERATURE (°C)
–45
15
55
115
–25 –5
35
75
95
3428 G09
1.27
1.26
1.25
1.24
1.23
1.22
TEMPERATURE (°C)
–45
15
55
115
–25
–5
35
75
95
TYPICAL PERFORMANCE CHARACTERISTICS
All characteristic curves at TA = 25°C unless otherwise noted.
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
3428 G10
TEMPERATURE (°C)
–45
15
55
–25
–5
35
75
95
Peak Current Limit
vs Temperature



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