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Lista de partido
LTC3568IDD
1.8A, 4MHz, Synchronous Step-Down DC/DC Converter
Linear Technology
LTC3568IDD Datasheet PDF : 18 Pages
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Typical Performance Characteristics
LTC3568
Frequency Variation
vs Temperature
10
8
6
4
2
0
–2
–4
–6
–8
–10
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3568 G10
Efficiency vs Frequency
100
V
IN
= 3.3V
V
OUT
= 2.5V
I
OUT
= 500mA
T
A
= 25°C
95
90
85
0
1
2
3
FREQUENCY (MHz)
4
3568 G11
R
DS(ON)
vs V
IN
120
T
A
= 25°C
115
110
SYNCHRONOUS SWITCH
105
MAIN SWITCH
100
95
90
2.5 3 3.5 4 4.5 5 5.5 6
V
IN
(V)
3568 G12
R
DS(ON)
vs Temperature
160
150
140
V
IN
= 2.5V
130
120
V
IN
= 3.3V
110
100
V
IN
= 5V
90
80
70
60
–50 –25
MAIN SWITCH
SYNCHRONOUS SWITCH
0 25 50 75
TEMPERATURE (°C)
100 125
3568 G13
3568fa
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