ltc3528-2 Linear Technology Corporation, ltc3528-2 Datasheet - Page 14

• 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
LTC3528-2
0.88V TO 1.6V
14
0.88V TO 1.6V
V
V
IN
IN
OFF ON
Dual 1 Cell to 1.8V, 3V Sequenced Supply
4.7µF
4.7µF
4.7µF
2.2µH
1 Cell to 3.3V
V
PGOOD
SHDN
IN
LTC3528-2
OFF ON
475k
GND
SW
V
OUT
FB
2.2µH
2.2µH
V
PGOOD
SHDN
V
PGOOD
SHDN
IN
IN
LTC3528-2
LTC3528-2
GND
GND
499k
287k
SW
SW
V
V
OUT
OUT
FB
FB
68pF
499k
499k
1M
324k
35282 TA04a
10µF
V
3.3V
200mA
OUT
68pF
68pF
3528 TA03a
10µF
10µF
V
1.8V
250mA
V
3V
200mA
OUT1
OUT2
0.5V/DIV
100
90
80
70
60
40
30
50
0.01
0.1
LOAD CURRENT (mA)
Output Voltage Sequencing
Efficiency
1
10
200µs/DIV
V
V
V
100
IN
IN
IN
35282 TA04b
= 0.9V
= 1.2V
= 1.5V
1000
35282 TA03b
V
V
V
PGOOD1
OUT2
OUT1
IN
35282f