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Número de pieza
componentes Descripción
LTC3445 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3445
3A/ 4MHz/ Monolithic Synchronous Step-Down Regulator
Linear Technology
LTC3445 Datasheet PDF : 24 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC3445
LDO Reference Voltage
vs Temperature
0.604
0.602
0.600
0.598
0mA
0.596
0.594
0.592
0.590
0.498
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (
°
C)
3445 G22
LDO Reference Voltage
vs Load Current
0.608
0.606
0.604
0.602
0.600
V
CC2
= 2.5V
V
CC2
= 5.5V
0.598
0.596
0
10 20
30
40
50
60 70
80
LOAD CURRENT (mA)
3445 G23
LDO Output Voltage vs V
CC2
1.202
1.201
1.200
1.199
10mA
1.198
1.197
50mA
1.196
1.195
1.194
2.5
3.1
3.7
4.3
4.9 5.5
V
CC2
(V)
3445 G24
LDO Output Voltage
vs Load Current
2.590
2.588
2.586
2.584
2.582
2.580
2.578
V
CC2
= 5.5V
V
CC2
= 3.6V
2.576
2.574
0
10 20 30 40 50 60 70 80
LOAD CURRENT (mA)
3445 G25
LDO Output Voltage
vs Load Current
1.204
1.202
1.200
1.198
1.196
V
CC2
= 5.5V
V
CC2
= 2.5V
1.194
0
10 20 30 40 50 60
LOAD CURRENT (mA)
3445 G26
LDO Dropout Voltage
vs Load Current
200
–50
°
C
25
°
C
160
150
°
C
120
80
LDO Load Step (10mA to 40mA)
LDO
OUTPUT
20mV/DIV
LOAD
CURRENT
20mA/DIV
40
40
µ
s/DIV
3445 G29
0
0
10
20
30
40
50
LOAD CURRENT (mA)
3445 G28
3445fa
7
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