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LPR4012-223D PDF预览

LPR4012-223D

更新时间： 2024-09-25 14:50:07
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线艺 - COILCRAFT /
页数 文件大小 规格书
2页 232K
描述
Coupled Inductors for Step-Up & Flyback Applications

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LPR4012-223D 数据手册

 浏览型号LPR4012-223D的Datasheet PDF文件第2页 
Document 713-1  
For Step-Up, Resonant  
LPR4012 & Flyback Applications  
Coupled Inductors  
–
Halogen  
Free  
• Miniature, shielded coupled inductors are only 1,1 mm high  
and 4 mm square  
• 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  
AEC  
+
Q200 85°C  
• 100 Vrms, one minute isolation (hipot) between windings  
• Wide selection of turns ratios makes them suitable for a  
variety of voltage step-up and step-down applications  
• Can also be used in autotransformer applications.  
• 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)  
LPR4012-202AMR_  
LPR4012-202BMR_  
LPR4012-202DMR_  
LPR4012-202LMR_  
LPR4012-103BMR_  
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  
LPR4012-103DMR_  
LPR4012-223BMR_  
LPR4012-223DMR_  
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-ꢀꢀ3XMRC  
Termination: R = RoHS compliant matte tin over nickel over silver.  
Special order: Q = RoHS tin-silver-copper (95.5/4/0.5) or  
P = non-RoHS tin-lead (63/37).  
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (1000 parts per full reel). Quantities less than full reel available: in tape (not  
machine ready) or with leader and trailer ($25 charge).  
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (3500 parts per full reel).  
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes.  
When ordering, simply change the last letter of your part number from B to C.  
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 at 25°C applied to L1 that causes the specified inductance drop from its value without current.  
5. Current applied to L1 that causes the specified temperature rise from 25°C ambient.This information is for reference only and does not represent absolute  
maximum ratings.  
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.  
Document 713-1 Revised 12/13/21  
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. 2021  
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.  
12

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