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LTC3406ES5#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
13
LTC34 06
LTC34 0 6 -1.5/LTC34 0 6 -1.8
3406fa
APPLICATIO S I FOR ATIO
WUUU
For the feedback resistors, choose R1 = 316k. R2 can
then be calculated from equation (2) to be:
R
V
Rk
OUT
2
06
1 1 1000= −
⎛
⎝
⎜
⎞
⎠
⎟
=
.
V
IN
C
IN
†
2.2µF
CER
V
IN
2.7V
TO 4.2V
LTC3406
RUN
3
2.2µH*
22pF
1M
316k
3406 F07a
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
2.5V
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN LMK212BJ225MG
Figure 7a
Figure 7b
Figure 7 shows the complete circuit along with its effi-
ciency curve.
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
85
95
100
0.1 10 100 1000
3406 F07b
60
1
90
75
65
V
OUT
= 2.5V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
TYPICAL APPLICATIO S
U
Single Li-Ion 1.5V/600mA Regulator for
High Efficiency and Small Footprint
V
IN
C
IN
**
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3406-1.5
RUN
3
2.2µH*
3406 TA05
5
4
1
2
SW
V
OUT
GND
C
OUT1
†
10µF
CER
V
OUT
1.5V
*
**
†
MURATA LQH32CN2R2M33
TAIYO YUDEN JMK212BJ475MG
TAIYO YUDEN JMK316BJ106ML
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
90
95
0.1 10 100 1000
3406 TA06
60
1
85
75
65
V
OUT
= 1.5V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 0A TO 600mA
3406 TA07
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 200mA TO 600mA
3406 TA08
14
LTC34 06
LTC34 06 -1.5/LTC34 06 -1.8
3406fa
TYPICAL APPLICATIO S
U
Single Li-Ion 1.2V/600mA Regulator for High Efficiency and Small Footprint
V
IN
C
IN
†
2.2µF
CER
V
IN
2.7V
TO 4.2V
LTC3406
RUN
3
2.2µH*
22pF
301k
301k
3406 TA09
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
1.2V
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN LMK212BJ225MG
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
90
95
0.1 10 100 1000
3406 TA10
60
1
85
75
65
V
OUT
= 1.2V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 0mA TO 600mA
3406 TA11
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 200mA TO 600mA
3406 TA12
Tiny 3.3V/600mA Buck Regulator
V
IN
C
IN
†
4.7µF
CER
V
IN
5V
LTC3406
RUN
3
2.2µH*
22pF
301k
66.5k
3406 TA13
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
3.3V
600mA
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
OUTPUT CURRENT (mA)
70
EFFICIENCY (%)
80
85
95
100
0.1 10 100 1000
3406 TA14
60
1
90
75
65
V
IN
= 5V
V
OUT
= 3.3V
I
L
500mA/DIV
I
LOAD
500mA/DIV
V
OUT
100mV/DIV
AC COUPLED
20µs/DIVV
IN
= 5V
V
OUT
= 3.3V
I
LOAD
= 200mA TO 600mA
3406 TA15
15
LTC34 06
LTC34 0 6 -1.5/LTC34 0 6 -1.8
3406fa
U
PACKAGE DESCRIPTIO
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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
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

LTC3406ES5#TRPBF

Mfr. #:
Buy LTC3406ES5#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 600mA, 1.5MHz Sync Step-dwn in ThinSOT
Lifecycle:
New from this manufacturer.
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