Datasheet

LTC3560
13
3560fb
APPLICATIONS INFORMATION
Figure 6a Figure 6b
Figure 6c Figure 6d
V
IN
C
IN
*
10µF
CER
V
IN
2.7V
TO 4.2V
LTC3560
RUN
SYNC/MODE
3
1.5µH**
10pF
976k
309k
3560 F06a
5
4
6
1
2
SW
V
FB
GND
C
OUT
*
10µF
CER
V
OUT
2.5V
* TDK C2012X5R0J106M
**TDK VLF3010AT-1R5N1R2
OUTPUT CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.1 10 100 1000
3560 F06b
0
1
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
= 2.5V
Burst Mode
OPERATION
PULSE
SKIPPING
V
OUT
200mV/DIV
AC COUPLED
I
L
1A/DIV
I
LOAD
1A/DIV
20µs/DIV
3560 F06c
V
IN
= 3.6V
V
OUT
= 2.5V
I
LOAD
= 100mA TO 800mA
Burst Mode OPERATION
V
OUT
200mV/DIV
AC COUPLED
I
L
1A/DIV
I
LOAD
1A/DIV
20µs/DIV
3560 F06d
V
IN
= 3.6V
V
OUT
= 2.5V
I
LOAD
= 100mA TO 800mA
PULSE SKIPPING MODE