LTC3539_15 Datasheet, PDF (11/14 Pages) Linear Technology – 2A, 1MHz/2MHz Synchronous Step-Up DC/DC Converters

LTC3539/LTC3539-2
TYPICAL APPLICATIONS
1 Cell to 1.8V
V_IN
1V TO 1.6V
2.2µF
PWM BURST
2.2µH
V_IN
SW
LTC3539
MODE V_OUT
OFF ON
SHDN FB
GND PGND
*AT HIGH LOAD CURRENTS, A
TANTALUM CAPACITOR WILL
IMPROVE PERFORMANCE.
1M
1.91M
33pF
V_OUT
1.8V
500mA
22µF*
×2
3539 TA02
1 Cell to 3.3V
V_IN
0.9V TO 1.6V
2.2µF
PWM BURST
2.2µH
V_IN
SW
LTC3539
MODE V_OUT
OFF ON
SHDN FB
GND PGND
1M
562k
33pF
V_OUT
3.3V
350mA
22µF
×2
3539 TA03
Li-Ion Cell to 5V
V_IN
3V TO 4.5V
2.2µF
PWM BURST
2.2µH
V_IN
SW
LTC3539-2
MODE V_OUT
OFF ON
SHDN FB
GND PGND
1M
309k
33pF
V_OUT
5V
750mA
22µF
×2
3539 TA04
For more information www.linear.com/3539/3539-2
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