Technical Data 4142
Effective July 2017
Supersedes March 2007
LDS0705
Shielded metalized drum core power inductors
Applications
•
Buck or Boost Inductor
Noise filtering and output filter chokes
Battery Power, DC-DC converters
Notebook and laptop power
Hand held devices
Media players
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•
•
•
•
•
SMD Device
Environmental data
•
Product features
•
•
•
•
•
•
7.8 mm x 7.0 mm x 5.0 mm shielded drum
core
Ferrite core material
Metalized core mounting utilizes board space
Inductance range from 0.82 µH to 470 µH
Current range from 0.368 A to 8.57 A
Frequency range up to 1 MHz
•
•
Storage temperature range (component):
-40 °C to +125 °C
Operating temperature range: -40 °C to +125 °C
(ambient plus self-temperature rise)
Solder reflow temperature:
J-STD-020 (latest revision) compliant
HALOGEN
FREE
Technical Data 4142
Effective July 2017
Product specifications
Part Number
Rated
Inductance
(µH)
0.82
1.5
2.2
3.3
4.7
6.8
8.2
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100.0
150.0
220.0
330.0
470.0
LDS0705-R82M-R
LDS0705-1R5M-R
LDS0705-2R2M-R
LDS0705-3R3M-R
LDS0705-4R7M-R
LDS0705-6R8M-R
LDS0705-8R2M-R
LDS0705-100M-R
LDS0705-150M-R
LDS0705-220M-R
LDS0705-330M-R
LDS0705-470M-R
LDS0705-680M-R
LDS0705-820M-R
LDS0705-101M-R
LDS0705-151M-R
LDS0705-221M-R
LDS0705-331M-R
LDS0705-471M-R
OCL (1)
µH
Irms(2)
(A)
Isat (3)
(A)
0.861±20%
1.42±20%
2.13±20%
2.97±20%
5.08±20%
6.34±20%
7.75±20%
9.30±20%
14.78±20%
21.53±20%
32.50±20%
45.71±20%
69.76±20%
83.67±20%
98.9±20%
152.0±20%
216.5±20%
329.9±20%
467.0±20%
7.68
6.17
5.06
4.19
3.32
3.11
2.67
2.54
2.04
1.66
1.48
1.21
0.985
0.850
0.808
0.649
0.584
0.470
0.387
8.57
6.67
5.45
4.62
3.53
3.16
2.86
2.61
2.07
1.71
1.40
1.18
0.952
0.870
0.800
0.645
0.541
0.438
0.368
DCR (Ω)
@+20 °C
(Typical)
0.0040
0.0061
0.009
0.013
0.021
0.024
0.033
0.036
0.056
0.084
0.107
0.158
0.240
0.323
0.357
0.554
0.68
1.06
1.56
(4) K-factor: Used to determine B p-p for core loss (see graph).
B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH),
∆(Peak to peak ripple current in Amps).
(5) Part Number Definition: LDS0705-xxx-R
LDS0705 = Product code and size; -xxx = Inductance value in uH;
R = decimal point; If no R is present, last character equals number of zeros.
M = Inductance tolerance +/- 20% -R suffix = RoHS compliant
Dimensions- mm
BOTTOM VIEW
TOP VIEW
RECOMMENDED PCB LAYOUT
SIDE VIEW
2.0
2.0 Typ.
XX X
7.0±0.2
5.0 Max.
SCHEMATIC
1
7.0
2
7.8±0.2
3.0
Marking: xxx = Inductance in uH. R = decimal point. If no R is present last character
equals number of zeros. wwllyy = Date code, R = Revision level.
Do not route traces or vias underneath the inductor
Packaging information- mm
Parts packaged on 13" Diameter reel,
1,000 parts per reel.
2
24.8
19.3
15.8
13.4
10.2
9.2
8.3
7.6
6.0
5.0
4.0
3.4
2.8
2.5
2.3
1.9
1.6
1.3
1.1
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(1) Open Circuit Inductance Test Parameters: 100 kHz, 0.1 V, 0.0 Adc.
(2) Irms: DC current for an approximate ∆T of 30 °C without core loss. Derating is
necessary for AC currents. PCB layout, trace thickness and width, air-flow, and
proximity of other heat generating components will affect the temperature rise. It
is recommended that the temperature of the part not exceed +125 °C under
worst case operating conditions verified in the end application.
(3) Isat Amperes peak for approximately 15% rolloff (@+25 °C)
wwllyy R
K-factor
(4)
www.eaton.com/electronics
LDS0705
Shielded metalized drum core power inductors
Technical Data 4142
Effective July 2017
Temperature rise vs. total loss
90
80
Temperature Rise (°C)
70
60
50
40
30
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20
10
0
0
0.1
0.2
0.3
0.4
0.5
Tot al Loss (W)
0.6
0.7
0.8
0.9
1
Core loss vs Bp-p
100
1 MHz
500 kHz
10
300 kHz
200 kHz
1
Core Loss (W)
100 kHz
50 kHz
0.1
0.01
0.001
0.0001
1
10
100
1000
Bp-p (mT)
Inductance characteristics
OCL vs. Isat
120%
110%
100%
90%
% of OCL
80%
-40
70%
60%
25
50%
40%
85
30%
20%
10%
0%
0%
20%
40%
60%
80%
100%
120%
140%
160%
180%
200%
% of Isat
www.eaton.com/electronics
3
LDS0705
Shielded metalized drum core power inductors
Technical Data 4142
Effective July 2017
Solder Reflow Profile
TP
tP
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
Temperature
TL
Preheat
A
t
TC -5°C
Table 1 - Standard SnPb Solder (Tc)
Package
Thickness
Volume
mm3
220°C
220°C
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25°C
T smax
Table 2 - Lead (Pb) Free Solder (T c)
Tsmin
Volume
Package
mm3
Thickness
2000
260°C
245°C
245°C
Time
Reference JDEC J-STD-020
Profile Feature
Preheat and Soak
• Temperature min. (Tsmin)
• Temperature max. (Tsmax)
• Time (Tsmin to Tsmax) (ts)
Average ramp up rate Tsmax to Tp
Liquidous temperature (TL)
Time at liquidous (tL)
Peak package body temperature (TP)*
Time (tp)** within 5 °C of the specified classification temperature (Tc)
Average ramp-down rate (Tp to Tsmax)
Time 25°C to Peak Temperature
Standard SnPb Solder
100°C
Lead (Pb) Free Solder
150°C
150°C
200°C
60-120 Seconds
60-120 Seconds
3°C/ Second Max.
3°C/ Second Max.
183°C
60-150 Seconds
217°C
60-150 Seconds
Table 1
Table 2
20 Seconds**
30 Seconds**
6°C/ Second Max.
6°C/ Second Max.
6 Minutes Max.
8 Minutes Max.
* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum.
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 4142
July 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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