![](http://datasheet.mmic.net.cn/60000/LTC3528EDDB-2-TRPBF_datasheet_2357690/LTC3528EDDB-2-TRPBF_14.png)
LTC3528-2
14
35282f
Dual 1 Cell to 1.8V, 3V Sequenced Supply
SW
VIN
499k
475k
2.2H
1M
4.7F
10F
LTC3528-2
SHDN
PGOOD
VOUT
FB
VIN
0.88V TO 1.6V
VOUT1
1.8V
250mA
OFF ON
GND
SW
VIN
499k
2.2H
324k
4.7F
10F
68pF
3528 TA03a
LTC3528-2
SHDN
PGOOD
VOUT
FB
VOUT2
3V
200mA
GND
68pF
Output Voltage Sequencing
VOUT2
VOUT1
VIN
PGOOD1
200s/DIV
0.5V/DIV
35282 TA03b
TYPICAL APPLICATIONS
1 Cell to 3.3V
Efficiency
SW
VIN
499k
2.2H
287k
4.7F
10F
68pF
35282 TA04a
LTC3528-2
SHDN
PGOOD
VOUT
FB
VIN
0.88V TO 1.6V
VOUT
3.3V
200mA
OFF ON
GND
LOAD CURRENT (mA)
0.01
80
90
100
35282 TA04b
70
60
0.1
1
10
1000
50
40
30
EFFICIENCY
(%)
VIN = 0.9V
VIN = 1.2V
VIN = 1.5V