LTC3533 Datasheet, PDF (14/16 Pages) Linear Technology – 2A Wide Input Voltage Synchronous Buck-Boost DC/DC Converter

LTC3533
TYPICAL APPLICATIONS
High Efficiency, High Current LED Driver
V_IN
3V TO 4.2V
10µF
3.3µH
4
SW1
11
PV_IN
10
V_IN
7
SW2
9
PV_OUT
8
V_OUT
LTC3533
OFF ON ¹² RUN/SS
FB ¹³
1
R_T
1nF
14
V_C
2
BURST
100k
44.2k
SGND PGND
3 56
95.3k
100k
47pF
301k
ILED = 1A
4.7µF
3533 TA02
1MHz Li-Ion to 3.6V at 2A, Pulsed, with Manual Mode Control
V_IN
3V TO 4.2V
10µF
6.8µH
4
7
SW1
11
PV_IN
10
V_IN
SW2
9
PV_OUT
8
V_OUT
388k
LTC3533
OFF ON
12
RUN/SS
13
FB
470pF
1
R_T
14 ^15k
V_C
2
BURST
SGND PGND
BURST
FIXED
FREQUENCY
64.9k
200k
3 56
2.2k
220pF
V_OUT
3.6V AT 2A
200µF
3533 TA03
3533f
14