ltc3406bes5-1.8 Linear Technology Corporation, ltc3406bes5-1.8 Datasheet - Page 14

• Manufacturer Part Number: ltc3406bes5-1.8
• Description: 1.5mhz, 600ma Synchronous Step-down Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

LTC3406B
TYPICAL APPLICATIO S
14
TO 4.2V
2.7V
V
AC COUPLED
IN
100mV/DIV
500mA/DIV
500mA/DIV
I
V
LOAD
OUT
C
4.7µF
CER
I
IN
L
Single Li-Ion 1.2V/600mA Regulator for
†
V
V
I
LOAD
IN
OUT
High Efficiency and Small Footprint
= 3.6V
4
1
= 1.2V
= 0mA TO 600mA
V
RUN
IN
LTC3406B
GND
2
Load Step
V
SW
20µs/DIV
FB
3
5
301k
2.2µH*
3406B TA09
22pF
301k
U
** TAIYO YUDEN JHK316BJ106ML
*MURATA LQH32CN2R2M33
†
TAIYO YUDEN JMK212BJ475MG
3406B TA11
C
10µF
CER
OUT
**
V
1.2V
OUT
AC COUPLED
100mV/DIV
500mA/DIV
500mA/DIV
I
V
LOAD
OUT
I
L
100
V
V
I
90
80
70
60
50
40
30
20
10
LOAD
IN
OUT
0.1
= 3.6V
= 1.2V
V
= 200mA TO 600mA
OUT
Efficiency vs Output Current
= 1.2V
OUTPUT CURRENT (mA)
1
Load Step
V IN = 4.2V
20µs/DIV
V IN = 2.7V
V IN = 3.6V
10
100
3406B TA12
3406B TA10
1000
3406bfa