ltc3523-ltc3523-2 Linear Technology Corporation, ltc3523-ltc3523-2 Datasheet - Page 13

• Manufacturer Part Number: ltc3523-ltc3523-2
• Description: Synchronous 600ma Step-up And 400ma Step-down Dc/dc Converters
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
1.8V TO 3.2V
STEP-UP
OUTPUT
200mA
V
OUT1
3.3V
V
IN
ALKALINE
2-CELL
+
4.7μF
PGOOD2
SHDN2
2V/DIV
1V/DIV
634k
365k
V
V
OUT1
OUT2
4.7μF
4.7μH
Power Sequence Operation
SW1
V
FB1
PGOOD1
SHDN1
OUT
GND1 GND2 GND3
V
IN1
LTC3523
500μs/DIV
V
IN2
V
PGOOD2
BAT
SHDN2
MODE
SW2
FB2
4.7μH
OFF ON
3523 TA02b
3523 TA02a
100k
LTC3523/LTC3523-2
10pF
V
IN
511k
511k
10μF
V
STEP-DOWN
OUTPUT
1.2V
200mA
OUT2
13
3523f