ltc3528b-2 Linear Technology Corporation, ltc3528b-2 Datasheet - Page 12

• Manufacturer Part Number: ltc3528b-2
• Description: 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

LTC3528B-2
TYPICAL APPLICATIONS
0.88V TO 1.6V
12
0.88V TO 1.6V
V
IN
V
IN
Dual 1 Cell to 1.8V, 3V Sequenced Supply
4.7μF
OFF ON
4.7μF
4.7μF
2.2μH
1 Cell to 1.8V
V
PGOOD
SHDN
LTC3528B-2
OFF ON
IN
475k
GND
SW
V
OUT
FB
2.2μH
2.2μH
V
PGOOD
SHDN
V
PGOOD
SHDN
LTC3528B-2
LTC3528B-2
IN
IN
GND
GND
SW
SW
499k
1M
V
V
OUT
OUT
FB
FB
68pF
499k
499k
1M
324k
35282 TA02a
10μF
V
1.8V
250mA
OUT
68pF
68pF
3528 TA03a
10μF
10μF
V
1.8V
250mA
V
3V
200mA
OUT1
OUT2
0.5V/DIV
100
90
80
70
60
50
40
30
20
10
0.1
1
LOAD CURRENT (mA)
Output Voltage Sequencing
Effi ciency
10
200μs/DIV
100
V
V
V
IN
IN
IN
= 0.9V
= 1.2V
= 1.5V
35282 TA02b
1000
35282 TA03b
V
V
V
PGOOD1
3528b2f
OUT2
OUT1
IN