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LTC3428 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC3428
Description  4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm 3mm DFN
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3428 Datasheet(HTML) 3 Page - Linear Technology

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LTC3428
3
3428f
TYPICAL PERFOR A CE CHARACTERISTICS
3428 G09
LOAD CURRENT (A)
0.05
95
90
85
80
75
70
65
60
55
0.1
1
2
3428 G05
3428 G04
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
3428 G02
3428 G01
3428 G03
3.0
3.5
4.0
5.0
120
110
100
90
80
70
60
1.27
1.26
1.25
1.24
1.23
1.22
3428 G08
TEMPERATURE (°C)
3428 G07
10ns/DIV
–45
15
55
115
–25 –5
35
75
95
TEMPERATURE (°C)
–45
15
55
115
–25
–5
35
75
95
500ns/DIV
500ns/DIV
500ns/DIV
100µs/DIV
5V/DIV
50mV/DIV
1V/DIV
2V/DIV
500mA/DIV
100mV/DIV
500mA/DIV
SWA
SWB
SWA, SWB Switching Waveforms
SWA, SWB Rise Time, I = 2A
Switch RDS(ON) vs VOUT
Converter Efficiency
Output Voltage Ripple with 22µF
Ceramic Capacitor
Transient Response, 0.5A to 1.5A
SW Pin and Inductor Current in
Discontinuous Mode, Demonstrating
Anti-Ring Circuit Operation
Switch RDS(ON) vs Temperature
Feedback Voltage vs Temperature
All characteristic curves at TA = 25°C unless otherwise noted.



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