LTC3527EUD View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3527EUD' PDF : 22 Pages View PDF
LTC3527/LTC3527-1
TYPICAL APPLICATIONS
+ 1.8V TO 3.2V
+
ALKALINE
CELLS
VOUT
5V
300mA
COUT1
4.7μF
ON
OFF
1.2MHz, 2-Cell to VOUT1 = 5V, VOUT2 = 3.3V
CIN
4.7μF 10μH
VIN1 VIN VIN2
3.24M
1.02M
SW1
SW2
VOUT1
15pF
FB1
LTC3527
VOUT2
FB2
PGOOD1
SHDN1
PGOOD2
SHDN2
MODE GND FSEL
4.7μH
15pF 1.78M
1M
ON
OFF
L: SUMIDA CDRH3D164R7
CIN, COUT: TAIYO YUDEN X5R JMK212BJ475MD
35271 TA05
VOUT
3.3V
200mA
COUT2
4.7μF
Boost 1 Efficiency
100
2.4V 3V
90
BURST
80
1.8V
70
1.8V
3V
2.4V
60
50
40
30
FIXED
20
0.01
0.1
1
10 100 1000
LOAD CURRENT (mA)
35271 TA05b
Boost 2 Efficiency
100
2.4V
3V
90 BURST
1.8V
80
70
3V
2.4V
1.8V
60
FIXED
50
40
30
20
0.01
0.1
1
10 100 1000
LOAD CURRENT (mA)
35271 G05
35271fc
18
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