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| LTC3406AB Datasheet, PDF (14/16 Pages) Linear Technology – 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT | |||
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LTC3406AB
TYPICAL APPLICATIONS
Single Li-Ion 1.2V/600mA Regulator for
High Efï¬ciency and Small Footprint
2.2μH*
VIN
CINâ
3
VIN
SW
22pF
4.7μF
CER
LTC3406AB
1.2V, 600mA
VOUT
COUT**
10μF
1
5
CER
RUN VFB
GND
301k
301k *MURATA LQH32CN2R2M33
2
** TAIYO YUDEN JHK316BJ106ML
3406AB TA09b â TAIYO YUDEN JMK212BJ475MG
VOUT
200mV/DIV
Load Step
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20μs/DIV
VOUT = 1.2V
ILOAD = 200mA TO 500mA
3406B F12
Efï¬ciency vs Load Current
100
VOUT = 1.2V
90
80
70
60
50
40
30
20
10
0
0.1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
1
10
100
OUTPUT CURRENT (mA)
1000
3406B G02
VOUT
100mV/DIV
Load Step
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20μs/DIV
VOUT = 1.2V
ILOAD = 300mA TO 600mA
3406B F14
14
3406abfa
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