Datasheet

LTC3536
25
3536fa
Typical applicaTions
300kHz High Efficiency Li-Ion to 3.6V at 1A,
Pulsed with Manual Mode Control
Efficiency 3.6V, 300kHz vs Load Current
USB to 5V Converter
Load Step
SW1
V
IN
SW2
V
OUT
FB
10µF
V
IN
3V TO 4.2V
VC
LTC3536
15µH*
49.9k
332k
845k
15k
1nF
MODE/SYNC
SHDN
RT
*COILCRAFT XAL4040
V
OUT
3.6V
1A
169k
3536 TA02
GND
OFF ON
47µF 100µF
100pF
SW1
V
IN
SW2
V
OUT
FB2MHz EXTERNAL CLOCK
47µF
*COILCRAFT XFL4020
USB POWER
4.3V TO 5.5V
VC
LTC3536
2.2µH*
33k
49.9k
1100k
22.6k
200pF
MODE/SYNC
SHDN
RT
V
OUT
5V
1A
150k
3536 TA03
GND
OFF ON
22µF
18pF
LOAD CURRENT (A)
0.001 0.01 0.1
1
40
EFFICIENCY (%)
50
60
70
80
3536 TA02b
30
20
10
0
90
100
V
IN
= 3V
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
200mV/DIV
I
LOAD
500mA/DIV
100µs/DIV
3536 TA03b
V
IN
= 4.3V
V
OUT
= 5V