Datasheet

LTC3406A
14
3406afa
OUTPUT CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.1 10 100 1000
3406A TA03
0
1
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
= 1.2V
V
IN
C
IN
†
4.7μF
CER
V
IN
LTC3406A
RUN
3
2.2μH*
22pF
301k
301k
3406A TA02
5
4
1
2
SW
V
FB
GND
C
OUT
**
10μF
CER
V
OUT
1.2V
600mA
* MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
Single Li-Ion 1.2V/600mA Regulator for High Effi ciency and Small Footprint
V
OUT
100mV/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 300mA TO 600mA
20μs/DIV
3406A TA05
I
LOAD
500mA/DIV
I
L
500mA/DIV
Effi ciency vs Load Current Load Step
TYPICAL APPLICATIONS