LTC3528B Linear Technology Corporation, LTC3528B Datasheet - Page 12

• Manufacturer Part Number: LTC3528B
• Description: 1MHz Synchronous Step-Up DC/DC Converters
• Manufacturer: Linear Technology Corporation

www.DataSheet4U.com
LTC3528/LTC3528B
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
4.7μH
1 Cell to 1.8V
V
PGOOD
SHDN
OFF ON
IN
475k
LTC3528
GND
SW
V
OUT
FB
4.7μH
4.7μH
V
PGOOD
SHDN
V
PGOOD
SHDN
IN
IN
LTC3528
LTC3528
GND
GND
SW
SW
499k
1M
V
V
OUT
OUT
FB
FB
33pF
499k
499k
1M
324k
3528 TA02a
10μF
V
1.8V
250mA
OUT
33pF
33pF
3528 TA03a
10μF
10μF
V
1.8V
250mA
V
3V
200mA
OUT1
OUT2
0.5V/DIV
100
70
60
40
30
90
80
50
0.01
0.1
LOAD CURRENT (mA)
Output Voltage Sequencing
Effi ciency
1
200μs/DIV
10
V
V
V
100
IN
IN
IN
= 0.9V
= 1.2V
= 1.5V
3528 TA02b
1000
3528 TA03b
V
V
V
PGOOD1
OUT2
OUT1
IN
3528fa