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LTC3406AIS5#TRMPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LTC3406A
13
3406afa
OUTPUT CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.1 10 100 1000
3406A F05b
0
1
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
APPLICATIONS INFORMATION
For the feedback resistors, choose R1 = 316k. R2 can
then be calculated from Equation (2) to be:
R2 =
V
OUT
0.6
1
R1= 1000k
(4)
Figure 5 shows the complete circuit along with its ef-
fi ciency curve.
V
IN
C
IN
†
4.7μF
CER
V
IN
2.7V TO 4.2V
LTC3406A
RUN
3
2.2μH*
22pF
1M
316k
3406A F05a
5
4
1
2
SW
V
FB
GND
C
OUT
**
10μF
CER
V
OUT
2.5V
600mA
* MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN LMK212BJ475MG
V
OUT
100mV/DIV
V
IN
= 3.6V
V
OUT
= 2.5V
I
LOAD
= 300mA TO 600mA
20μs/DIV
3406A F05d
I
LOAD
500mA/DIV
I
L
500mA/DIV
Figure 5.
LTC3406A
14
3406afa
OUTPUT CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.1 10 100 1000
3406A TA03
0
1
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
= 1.2V
V
IN
C
IN
†
4.7μF
CER
V
IN
LTC3406A
RUN
3
2.2μH*
22pF
301k
301k
3406A TA02
5
4
1
2
SW
V
FB
GND
C
OUT
**
10μF
CER
V
OUT
1.2V
600mA
* MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
Single Li-Ion 1.2V/600mA Regulator for High Effi ciency and Small Footprint
V
OUT
100mV/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 300mA TO 600mA
20μs/DIV
3406A TA05
I
LOAD
500mA/DIV
I
L
500mA/DIV
Effi ciency vs Load Current Load Step
TYPICAL APPLICATIONS
LTC3406A
15
3406afa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTION
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
1.50 – 1.75
(NOTE 4)
2.80 BSC
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
DATUM ‘A’
0.09 – 0.20
(NOTE 3)
S5 TSOT-23 0302 REV B
PIN ONE
2.90 BSC
(NOTE 4)
0.95 BSC
1.90 BSC
0.80 – 0.90
1.00 MAX
0.01 – 0.10
0.20 BSC
0.30 – 0.50 REF
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
3.85 MAX
0.62
MAX
0.95
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.4 MIN
2.62 REF
1.22 REF
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LTC3406AIS5#TRMPBF

Mfr. #:
Buy LTC3406AIS5#TRMPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.5MHz, 600mA Sync Buck Reg in SOT
Lifecycle:
New from this manufacturer.
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