LTC3527 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3527' PDF : 22 Pages View PDF
TYPICAL APPLICATIONS
LTC3527/LTC3527-1
2.2MHz, 1-Cell to VOUT1 = 3.3V, VOUT2 = 1.8V
0.85V TO 1.60V
+ SINGLE
ALKALINE
CELL
CIN
4.7μF 2.2μH
VIN1 VIN VIN2
2.2μH
VOUT
3.3V
150mA
COUT1
4.7μF
ON
OFF
ON
OFF
1.78M
1M
SW1
SW2
15pF
VOUT1
FB1
LTC3527
VOUT2
FB2
PGOOD1
SHDN1
PGOOD2
SHDN2
MODE GND FSEL
15pF
612k
1.21M
L: SUMIDA CDRH3D162R2
CIN, COUT: TAIYO YUDEN X5R JMK212BJ475MD
35271 TA04
VOUT
1.8V
150mA
COUT2
4.7μF
Boost 1 Efficiency
100
90
1.2V 1.5V
BURST
80
1V
1.5V
1.2V
70
1V
60
50
FIXED
40
30
20
0.01
0.1
1
10 100 1000
LOAD CURRENT (mA)
35271 TA04b
Boost 2 Efficiency
100
90
1.2V 1.5V
1.5V
80
BURST
1V
70
1.2V
1V
60
FIXED
50
40
30
20
0.01
0.1
1
10 100 1000
LOAD CURRENT (mA)
35271 TA04c
35271fc
17
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