Datasheet

LTC3528/LTC3528B
14
3528fd
TYPICAL APPLICATIONS
1 Cell to 3.3V Efficiency
Efficiency2 Cell to 3.3V
SW
V
IN
499k
4.7µH
287k
4.7µF
10µF
33pF
3528 TA04a
LTC3528
SHDN
PGOOD
V
OUT
FB
V
IN
0.88V TO 1.6V
V
OUT
3.3V
200mA
OFF ON
GND
SW
V
IN
499k
4.7µH
287k
4.7µF
10µF
33pF
3528 TA05a
LTC3528
SHDN
PGOOD
V
OUT
FB
V
IN
1.8V TO 3.2V
V
OUT
3.3V
400mA
OFF ON
GND
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 TA04b
70
60
0.1 1 10 1000
50
40
30
EFFICIENCY (%)
V
IN
= 0.9V
V
IN
= 1.2V
V
IN
= 1.5V
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 TA05b
70
60
0.1 1 10 1000
50
40
30
EFFICIENCY (%)
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3V