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LTC3406BES5-1.5#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
13
LTC34 06B
3406bfa
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
†
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3406B
RUN
3
2.2µH*
22pF
1M
316k
3406B F07a
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
2.5V
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JHK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
Figure 7a
Figure 7b
Figure 7 shows the complete circuit along with its effi-
ciency curve.
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B F07b
1 100
V
OUT
= 2.5V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
TYPICAL APPLICATIO S
U
V
IN
C
IN
**
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3406B-1.5
RUN
3
2.2µH*
3406B TA05
5
4
1
2
SW
V
OUT
GND
C
OUT1
†
10µF
CER
V
OUT
1.5V
*
**
†
MURATA LQH32CN2R2M33
TAIYO YUDEN CERAMIC JMK212BJ475MG
TAIYO YUDEN CERAMIC JMK316BJ106ML
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B TA06
1 100
V
OUT
= 1.5V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
20µs/DIV
V
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 200mA TO 600mA
3406B TA08
Efficiency vs Output Current
Load Step
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
20µs/DIV
V
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 0mA TO 600mA
3406B TA07
Load Step
Single Li-Ion 1.5V/600mA Regulator for
High Efficiency and Small Footprint
14
LTC34 0 6B
3406bfa
TYPICAL APPLICATIO S
U
Single Li-Ion 1.2V/600mA Regulator for
High Efficiency and Small Footprint
V
IN
C
IN
†
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3406B
RUN
3
2.2µH*
22pF
301k
301k
3406B TA09
5
4
1
2
SW
V
FB
GND
C
OUT
**
10µF
CER
V
OUT
1.2V
*MURATA LQH32CN2R2M33
** TAIYO YUDEN JHK316BJ106ML
†
TAIYO YUDEN JMK212BJ475MG
OUTPUT CURRENT (mA)
0.1
EFFICIENCY (%)
10
1000
100
90
80
70
60
50
40
30
20
10
3406B TA10
1 100
V
OUT
= 1.2V
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V
Efficiency vs Output Current
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
20µs/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 200mA TO 600mA
3406B TA12
V
OUT
100mV/DIV
AC COUPLED
I
L
500mA/DIV
I
LOAD
500mA/DIV
20µs/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 0mA TO 600mA
3406B TA11
Load StepLoad Step
15
LTC34 06B
3406bfa
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

LTC3406BES5-1.5#TRPBF

Mfr. #:
Buy LTC3406BES5-1.5#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 600mA, 1.5MHz Syn Step-dwn in ThinSOT w/ burst defeat mode
Lifecycle:
New from this manufacturer.
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