LTC3406B-1.8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3406B-1.8' PDF : 16 Pages View PDF
LTC3406B
TYPICAL APPLICATIO S
Single Li-Ion 1.2V/600mA Regulator for
High Efficiency and Small Footprint
VIN
2.7V
TO 4.2V
CIN†
4.7µF
CER
4
VIN
3
SW
LTC3406B
1
RUN
5
VFB
GND
2
2.2µH*
22pF
VOUT
1.2V
COUT**
10µF
CER
301k
301k *MURATA LQH32CN2R2M33
** TAIYO YUDEN JHK316BJ106ML
3406B TA09 † TAIYO YUDEN JMK212BJ475MG
Load Step
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20µs/DIV
VOUT = 1.2V
ILOAD = 0mA TO 600mA
3406B TA11
Efficiency vs Output Current
100
VOUT = 1.2V
90
80
VIN = 2.7V
70
VIN = 3.6V
60
50
VIN = 4.2V
40
30
20
10
0.1
1
10
100
OUTPUT CURRENT (mA)
1000
3406B TA10
Load Step
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20µs/DIV
VOUT = 1.2V
ILOAD = 200mA TO 600mA
3406B TA12
3406bfa
14
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