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Número de pieza
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LTC3541-1 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3541-1
High Efficiency Buck + VLDO Regulator
Linear Technology
LTC3541-1 Datasheet PDF : 20 Pages
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LTC3541-1
TYPICAL PERFOR A CE CHARACTERISTICS
Buck (Pulse Skip) Load Step from
1mA to 500mA
Buck (Burst) Load Step from
1mA to 500mA
VLDO Load Step from
1mA to 300mA
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
IN
= 3.6V
40
µ
s/DIV
V
OUT
= 1.8V
I
LOAD
= 1mA TO 500mA
VLDO Load Step from
100mA to 300mA
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
35411 G16
V
IN
= 3.6V
40
µ
s/DIV
V
OUT
= 1.8V
I
LOAD
= 1mA TO 500mA
LV
OUT
20mV/DIV
AC COUPLED
I
LOAD
250mA/DIV
35411 G17
V
IN
= 3.6V
400
µ
s/DIV
LV
OUT
= 1.5V
I
LOAD
= 1mA TO 300mA
35411 G18
Linear Regulator to VLDO
Transition, Load = 1mA
Linear Regulator to VLDO
Transition, Load = 30mA
LV
OUT
20mV/DIV
AC COUPLED
I
LOAD
250mA/DIV
V
IN
= 3.6V
400
µ
s/DIV
LV
OUT
= 1.5V
I
LOAD
= 100mA TO 300mA
LV
OUT
10mV/DIV
AC COUPLED
I
LOAD
50mA/DIV
35411 G19
V
IN
= 3.6V
LV
OUT
= 1.5V
I
LOAD
= 1mA
40
µ
s/DIV
VLDO to Linear Regulator
Transition, Load = 1mA
L
VOUT
10mV/DIV
AC COUPLED
V
OUT
10mV/DIV
AC COUPLED
35411 G20
V
IN
= 3.6V
2
µ
s/DIV
LV
OUT
= 1.5V
V
OUT
= 1.875V
I
LOAD
= 50mA
Burst Mode OPERATION
VLDO to Linear Regulator
Transition, Load = 30mA
35412 G21
LV
OUT
10mV/DIV
AC COUPLED
I
LOAD
50mA/DIV
V
IN
= 3.6V
LV
OUT
= 1.5V
I
LOAD
= 1mA
40
µ
s/DIV
35411 G22
LV
OUT
10mV/DIV
AC COUPLED
I
LOAD
50mA/DIV
V
IN
= 3.6V
LV
OUT
= 1.5V
I
LOAD
= 30mA
40
µ
s/DIV
35411 G23
35411fa
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