Datasheet

14
LTC34 06
LTC34 06 -1.5/LTC34 06 -1.8
3406fa
TYPICAL APPLICATIO S
U
Single Li-Ion 1.2V/600mA Regulator for High Efficiency and Small Footprint
V
IN
C
IN
†
2.2µF
CER
V
IN
2.7V
TO 4.2V
LTC3406
RUN
3
2.2µH*
22pF
301k
301k
3406 TA09
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
1.2V
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN LMK212BJ225MG
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
90
95
0.1 10 100 1000
3406 TA10
60
1
85
75
65
V
OUT
= 1.2V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 0mA TO 600mA
3406 TA11
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 200mA TO 600mA
3406 TA12
Tiny 3.3V/600mA Buck Regulator
V
IN
C
IN
†
4.7µF
CER
V
IN
5V
LTC3406
RUN
3
2.2µH*
22pF
301k
66.5k
3406 TA13
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
3.3V
600mA
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
85
95
100
0.1 10 100 1000
3406 TA14
60
1
90
75
65
V
IN
= 5V
V
OUT
= 3.3V
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 5V
V
OUT
= 3.3V
I
LOAD
= 200mA TO 600mA
3406 TA15