OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC3410ESC6-1.5#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
13
LTC3410
3410fb
APPLICATIO S I FOR ATIO
WUUU
Figure 6a
Figure 6b Figure 6c
I
LOAD
(mA)
0.1
0
10
20
30
40
EFFICIENCY (%)
50
60
70
80
90
100
10 1001 1000
3410 F06b
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
100mV/DIV
AC COUPLED
I
L
200mA/DIV
I
LOAD
200mA/DIV
20µs/DIV
3410 F06c
V
IN
= 3.6V
V
OUT
= 3V
I
LOAD
= 100mA TO 300mA
Substituting V
OUT
= 3V, V
IN
= 4.2V, ∆I
L
= 100mA
and f = 2.25MHz in Equation (3) gives:
L
V
MHz mA
V
V
H= −
⎛
⎝
⎜
⎞
⎠
⎟
=
3
2 25 100
1
3
42
38
.().
. µ
A 4.7µH inductor works well for this application. For best
efficiency choose a 350mA or greater inductor with less
than 0.3Ω series resistance.
C
IN
will require an RMS current rating of at least 0.125A ≅
I
LOAD(MAX)
/2 at temperature and C
OUT
will require an ESR
of less than 0.5Ω. In most cases, a ceramic capacitor will
satisfy this requirement. From Table 2, Capacitance Selec-
tion, C
OUT
= 10µF and C
IN
= 4.7µF.
For the feedback resistors, choose R1 = 301k. R2 can
then be calculated from equation (2) to be:
R
V
R k use k
OUT
2
08
1 1 827 8 825= −
⎛
⎝
⎜
⎞
⎠
⎟
=
.
.;
Figure 6 shows the complete circuit along with its
efficiency curve.
V
IN
C
IN
††
4.7µF
CER
V
IN
2.7V
TO 4.2V
LTC3410
RUN
3
4.7µH*
10pF
825k
301k
3410 F06a
6
4
1
2, 5
SW
V
FB
GND
C
OUT
†
10µF
CER
V
OUT
3V
†
TAIYO YUDEN JMK212BJ106
††
TAIYO YUDEN JMK212BJ475
*MURATA LQH32CN4R7M23
14
LTC3410
3410fb
TYPICAL APPLICATIO S
U
3410 TA06a
C
IN
†
4.7µF
3
4.7µH*
6
4
1
2, 5
C
OUT
†
4.7µF
CER
†
TAIYO YUDEN JMK212BJ475
*FDK MIPF2520D
V
IN
V
IN
2.7V
TO 4.2V
LTC3410-1.875
RUN
SW
V
OUT
GND
V
OUT
1.875V
LOAD (mA)
60
EFFICIENCY (%)
70
80
90
100
0.1 10 100 1000
3410 TA06b
50
1
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
20µs/DIV
V
OUT
100mV/DIV
AC COUPLED
I
L
200mA/DIV
I
LOAD
200mA/DIV
3410 TA06c
V
IN
= 3.6V
I
LOAD
= 100mA TO 300mA
Using Low Profile Components, <1mm Height
Low Profile Efficiency Load Step
15
LTC3410
3410fb
U
PACKAGE DESCRIPTIO
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.
SC6 Package
6-Lead Plastic SC70
(Reference LTC DWG # 05-08-1638)
1.15 – 1.35
(NOTE 4)
1.80 – 2.40
0.15 – 0.30
6 PLCS (NOTE 3)
SC6 SC70 1205 REV B
1.80 – 2.20
(NOTE 4)
0.65 BSC
PIN 1
0.80 – 1.00
1.00 MAX
0.00 – 0.10
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. DETAILS OF THE PIN 1 INDENTIFIER ARE OPTIONAL,
BUT MUST BE LOCATED WITHIN THE INDEX AREA
7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70
8. JEDEC PACKAGE REFERENCE IS MO-203 VARIATION AB
2.8 BSC
0.47
MAX
0.65
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.8 REF
1.00 REF
INDEX AREA
(NOTE 6)
0.10 – 0.18
(NOTE 3)
0.26 – 0.46
GAUGE PLANE
0.15 BSC
0.10 – 0.40
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LTC3410ESC6-1.5#TRPBF

Mfr. #:
Buy LTC3410ESC6-1.5#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 300mA, 2.25MHz Synch Step-Dwn in SC70 (fixed 1.5V output)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet