ltc3406ab-2 Linear Technology Corporation, ltc3406ab-2 Datasheet - Page 14

• Manufacturer Part Number: ltc3406ab-2
• Description: 2.25mhz, 600ma Synchronous Step-down Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

LTC3406AB-2
TYPICAL APPLICATIONS
V
14
IN
C
4.7µF
CER
IN
†
100mV/DIV
200mV/DIV
500mA/DIV
500mA/DIV
500mA/DIV
500mA/DIV
Single Li-Ion 1.2V/600mA Regulator for
High Effi ciency and Small Footprint
I
I
V
V
LOAD
LOAD
OUT
OUT
V
LTC3406AB-2
RUN
I
I
L
L
IN
Load Step
V
V
I
Load Step
V
V
I
LOAD
LOAD
IN
OUT
IN
OUT
GND
= 3.6V
= 3.6V
= 1.2V
= 1.2V
= 0mA TO 600mA
= 100mA TO 600mA
SW
V
FB
20µs/DIV
20µs/DIV
309k
2.2µH*
3406AB2 TA06
22pF
309k
** TAIYO YUDEN JMK316BJ106ML
* MURATA LQH32CN2R2M33
†
TAIYO YUDEN JMK212BJ475MG
3406AB2 TA08
3406AB2 TA10
C
10µF
CER
OUT
**
V
1.2V
600mA
OUT
100mV/DIV
500mA/DIV
500mA/DIV
100mV/DIV
500mA/DIV
500mA/DIV
I
V
LOAD
100
OUT
I
90
80
70
60
50
40
30
20
10
V
LOAD
0
OUT
I
L
0.1
I
L
V
V
I
LOAD
V
IN
OUT
Effi ciency vs Load Current
Load Step
V
V
I
Load Step
OUT
LOAD
IN
OUT
= 3.6V
= 1.2V
= 3.6V
= 200mA TO 600mA
= 1.2V
= 1.2V
= 50mA TO 600mA
1
OUTPUT CURRENT (mA)
20µs/DIV
20µs/DIV
10
100
3406AB2 TA11
V
V
V
3406AB2 TA09
IN
IN
IN
3406AB2 TA07
= 2.7V
= 3.6V
= 4.2V
1000
3406ab2f