LTC3536_15 Datasheet, PDF (25/28 Pages) Linear Technology – 1A Low Noise, Buck-Boost DC/DC Converter

Typical Applications
300kHz High Efficiency Li-Ion to 3.6V at 1A,
Pulsed with Manual Mode Control
15µH*
V_IN
3V TO 4.2V
10µF
SW1
V_IN
SW2
V_OUT
LTC3536
OFF ON
332k
MODE/SYNC FB
SHDN
RT
VC
GND
100pF
15k
845k
1nF
49.9k
169k
*COILCRAFT XAL4040
3536 TA02
V_OUT
3.6V
47µF
100µF ^1A
LTC3536
Efficiency 3.6V, 300kHz vs Load Current
100
90
80
70
60
50
40
30
20
10
0
0.001
V_IN = 3V
V_IN = 3.6V
V_IN = 4.2V
0.01
0.1
LOAD CURRENT (A)
1
3536 TA02b
USB to 5V Converter
2.2µH*
USB POWER
4.3V TO 5.5V
47µF
SW1
V_IN
SW2
V_OUT
LTC3536
2MHz EXTERNAL CLOCK
OFF ON
49.9k
MODE/SYNC FB
SHDN
RT
VC
GND
18pF
22.6k
1100k
200pF
33k
150k
*COILCRAFT XFL4020
3536 TA03
V_OUT
5V
22µF ^1A
Load Step
V_OUT
200mV/DIV
I_LOAD
500mA/DIV
V_IN = 4.3V
V_OUT = 5V
100µs/DIV
3536 TA03b
3536fa
25