Datasheet

LTC3406AB
14
3406abfa
TYPICAL APPLICATIONS
Single Li-Ion 1.2V/600mA Regulator for
High Effi ciency and Small Footprint
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
0
3406B G02
1 100
V
OUT
= 1.2V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
Effi ciency vs Load Current
V
OUT
200mV/DIV
I
L
500mA/DIV
I
LOAD
500mA/DIV
20μs/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 200mA TO 500mA
3406B F12
Load Step
V
IN
C
IN
†
4.7μF
CER
V
IN
LTC3406AB
RUN
3
2.2μH*
22pF
301k
301k
3406AB TA09b
51
2
SW
V
FB
GND
C
OUT
**
10μF
CER
1.2V, 600mA
V
OUT
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JHK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
V
OUT
100mV/DIV
I
L
500mA/DIV
I
LOAD
500mA/DIV
20μs/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 300mA TO 600mA
3406B F14
Load Step