Datasheet

LTC3559/LTC3559-1
8
3559fb
TYPICAL PERFORMANCE CHARACTERISTICS
Buck Regulator Start-Up Transient
Buck Regulator Pulse Skip Mode
Operation
V
OUT
500mV/DIV
EN
2V/DIV
PV
IN
= 3.8V
PULSE SKIP MODE
LOAD = 6Ω
50μs/DIV
3559 G33
INDUCTOR
CURRENT
I
L
= 200mA/DIV
Buck Regulator Burst Mode
Operation
V
OUT
20mV/DIV (AC)
SW
2V/DIV
PV
IN
= 3.8V
LOAD = 10mA
200ns/DIV
3559 G34
INDUCTOR
CURRENT
I
L
= 50mA/DIV
V
OUT
20mV/DIV (AC)
SW
2V/DIV
PV
IN
= 3.8V
LOAD = 60mA
2μs/DIV
3559 G35
INDUCTOR
CURRENT
I
L
= 60mA/DIV
Buck Regulator Transient
Response, Pulse Skip Mode
V
OUT
50mV/DIV (AC)
LOAD STEP
5mA TO 290mA
PV
IN
= 3.8V 50μs/DIV
3559 G36
INDUCTOR
CURRENT
I
L
= 200mA/DIV
Buck Regulator Transient
Response, Burst Mode Operation
V
OUT
50mV/DIV (AC)
LOAD STEP
5mA TO 290mA
PV
IN
= 3.8V 50μs/DIV
3559 G37
INDUCTOR
CURRENT
I
L
= 200mA/DIV