LPR4012-223DMLC [COILCRAFT]
General Purpose Inductor, 22uH, 20%, 2 Element, Ferrite-Core, SMD, 4040-12M, CHIP, 4040-12M, ROHS COMPLIANT;
| 型号： | LPR4012-223DMLC |
| 厂家： | 
Coilcraft lnc. |
| 描述： | General Purpose Inductor, 22uH, 20%, 2 Element, Ferrite-Core, SMD, 4040-12M, CHIP, 4040-12M, ROHS COMPLIANT 大电流电感器 测试 |
| 文件： | 总2页 (文件大小：161K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document 713-1
For Step-Up, Resonant
LPR4012 & Flyback Applications
Coupled Inductors
–
The LPR4012 miniature shielded coupled inductors are
only 1,1 mm high and 4 mm square.The excellent coupling
coefficient (k = 0.95) makes them ideal for use as flyback
transformers in DC-DC converters or as coupled inductors
in buck regulators to provide multiple outputs. The wide
selection of turns ratios makes them suitable for a variety
of voltage step-up and step-down applications. They can
also be used in autotransformer applications.
The high Isat and low DCR ratings of these low profile
parts provide high efficiency and excellent current handling
in a rugged, low cost design.
Custom inductance values and turn ratios are available
upon request.
Primary (L1)
SRF
inductance2 Turns
typ3
DCR max (Ohms)
Isat(A)4
120 drop ꢀ20 drop 320 drop ꢀ2°C rise 42°C rise
Irms(A)5
Part number1
ꢀ20 (ꢁµ)
ratio
L1
Lꢀ
(Mµz)
LPR4012-202AML_
LPR4012-202BML_
LPR4012-202DML_
LPR4012-202LML_
LPR4012-103BML_
2.0
2.0
2.0
2.0
10.0
1 : 1.5
1 : 2
1 : 3
1 : 10
1 : 2
0.240
0.240
0.240
0.240
0.600
0.325
0.480
1.15
11.62
1.55
61.5
49.4
31.0
7.43
19.5
1.70
1.70
1.70
1.70
0.62
1.73
1.73
1.73
1.73
0.64
1.74
1.74
1.74
1.74
0.65
1.10
1.10
1.10
1.10
0.52
1.45
1.45
1.45
1.45
0.70
LPR4012-103DML_
LPR4012-223BML_
LPR4012-223DML_
10.0
22.0
22.0
1 : 3
1 : 2
1 : 3
0.600
1.16
1.16
3.71
3.65
7.08
12.8
11.2
8.00
0.62
0.43
0.43
0.64
0.45
0.45
0.65
0.46
0.46
0.52
0.43
0.43
0.70
0.57
0.57
1. When ordering, please specify termination and packaging codes:
LPR421ꢀ-ꢀꢀ3XMLC
Termination: L = RoHS compliant Silver-palladium-platinum-glass frit.
Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (1000 parts per full reel).
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (3500 parts per full reel).
2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent.
3. SRF measured using an Agilent/HP 4191A or equivalent.When leads are connected in parallel, SRF is the same value.
4. DC current applied to L1, at which the inductance drops the specified amount from its value without current.
5. Current applied to L1 that causes the specified temperature rise from 25°C ambient.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 713-1 Revised 01/29/10
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
Document 713-2
Coupled Inductors– LPR4012 Series
Core material Ferrite
Weight 54 – 64 mg
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
+
D
V
C
OUT
AUX
L2
–
+
Ambient temperature –40°C to +85°C with Irms current, +85°C to
+125°C with derated current
+
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
L1
SW
V
V
OUT
IN
C
D
Winding to winding isolation 100 V
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
–
–
Typical Buck Converter with auxiliary output
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Mean Time Between Failures (MTBF) 26,315,789 hours
Failures in Time (FIT) 38 per one billion hours
Packaging 1000/7″ reel; 3500/13″ reel Plastic tape: 12 mm wide,
0.25 mm thick, 8 mm pocket spacing, 1.32 mm pocket depth
Recommended pick and place nozzle OD: 4 mm; ID: ≤ 2 mm
+
+
D
C
L1
V
OUT
L2
PCB washing Only pure water or alcohol recommended
V
IN
C
–
PWM
–
Current Derating
Typical Flyback Converter
120
110
100
90
80
70
60
50
40
30
Dot indicates pin 1
1
2
4
1
2
4
3
0.155 0.003
3,94 0,0ꢀ6
L1
L2
XXXX
3
Dash
number
20
Isat
Irms
0.0433 0.004
1,10 0,10
10
0
Recommended
Land Pattern
0.155 0.003
3,94 0,0ꢀ6
-40 -20
0
20
40
60
80
100 120 140
Ambient temperature (°C)
1
4
45°
typ
0.031
0,ꢀ8
0.103 0.049
2,606 1,24
0.1ꢀ4
4,40
3
2
0.049
1,24
0.060
1,52
0.103
2,606
0.1ꢀ4
4,40
inches
mm
Dimensions are in
Document 713-2 Revised 01/29/10
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
Singapore + 65-6484 8412 sales@coilcraft.com.sg
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