ltc3528-2 Linear Technology Corporation, ltc3528-2 Datasheet - Page 15

• Manufacturer Part Number: ltc3528-2
• Description: Ltc3528-2 - 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
1.8V TO 3.2V
1.8V TO 3.2V
2.7V TO 4.2V
V
V
V
IN
IN
IN
OFF ON
OFF ON
OFF ON
4.7µF
4.7µF
4.7µF
2.2µH
2.2µH
2.2µH
2 Cell to 3.3V
V
PGOOD
SHDN
V
PGOOD
SHDN
V
PGOOD
SHDN
IN
LTC3528-2
2 Cell to 5V
IN
LTC3528-2
Li-Ion to 5V
IN
LTC3528-2
GND
GND
SW
SW
GND
SW
V
V
V
OUT
OUT
OUT
FB
FB
FB
499k
287k
1M
316k
1M
316k
68pF
68pF
68pF
35282 TA07a
35282 TA06a
35282 TA05a
22µF
10µF
V
5V
400mA
V
5V
300mA
V
3.3V
400mA
OUT
OUT
OUT
100
100
100
90
80
70
60
50
40
30
70
60
70
60
90
80
50
40
30
90
80
50
40
30
0.01
0.01
0.01
0.1
0.1
0.1
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
Efficiency
Efficiency
Efficiency
1
1
1
10
10
10
LTC3528-2
V
V
V
100
V
V
V
V
V
V
100
100
IN
IN
IN
IN
IN
IN
IN
IN
IN
35282 TA05b
= 1.8V
= 2.4V
= 3V
= 1.8V
= 2.4V
= 3V
35282 TA06b
= 2.8V
= 3.6V
= 4.2V
35282 TA07b
1000
1000
1000
15
35282fa