Datasheet

LTC3528/LTC3528B
15
3528fd
TYPICAL APPLICATIONS
2 Cell to 5V Efficiency
EfficiencyLi-Ion to 5V
SW
V
IN
1M
68pF
4.7µH
316k
4.7µF
22µF
3528 TA06a
LTC3528
SHDN
PGOOD
V
OUT
FB
V
IN
1.8V TO 3.2V
V
OUT
5V
300mA
OFF ON
GND
SW
V
IN
1M
4.7µH
316k
4.7µF
22µF
3528 TA07a
LTC3528
SHDN
PGOOD
V
OUT
FB
V
IN
2.7V TO 4.2V
V
OUT
5V
400mA
OFF ON
GND
68pF
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 TA06b
70
60
0.1 1 10 1000
50
40
30
EFFICIENCY (%)
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3V
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 TA07b
70
60
0.1 1 10 1000
50
40
30
EFFICIENCY (%)
V
IN
= 2.8V
V
IN
= 3.6V
V
IN
= 4.2V