E & E Magnetic Products Limited
SMT POWER INDUCTOR
Coupled Inductor for VRM/VRD Applications
PATENTED IKOR COUPLED INDUCTOR TECHNOLOGY
S
CHEMATICS
Design for IA32 /IA64 ‘ VRM and VRD applications
s
Suitable for Server, High-End Workstation, Graphics
and Module applications
Can be used in high-current System VRM (SVRM)
applications
Compact low profile SMT package
Design to withstand IR-reflow with peak
temperature per IPC/JEDEC J-STD-020C
Operating temperature 0°C to +100°C.
RoHS compliant
E
LECTRICAL
S
PECIFICATION @
25°C
RoHS
Part
Number
835-00891F
Inductance (1-2)
(uH)
Inductance (3-4)
(uH)
Leakage
Inductance
(nH)
70 typical
DCR
(mOhm)
MAX
525 - 825
525 - 825
0.17
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
DC Bias Current, Idc
Figure: Typical Ls(1-2) versus DC Bias Current
2/F Block A, 94 Tokwawan Road, Kowloon, Hong Kong
1
Tel: (852) 2765 3888
Fax: (852) 2954 3304
IK002(02)
Revised in 07/08
E & E Magnetic Products Limited
SMT POWER INDUCTOR
Coupled Inductor for VRM/VRD Applications
PATENTED IKOR COUPLED INDUCTOR TECHNOLOGY
M
ECHANICAL
D
IMENSIONS
.559-.583
14.20-14.80
1
.278-.289
7.05-7.35
2
4
835-00891F
(DATE)
3
.121-.129
3.08-3.28
.150
3.81 MIN
.118
3.00 MAX
.189
MAX
4.80
.074
MIN
1.87
.019-.021
0.48-0.53
REFERENCE OR
GAUGE PLANE
Notes:
.154-.167
3.92-4.25
.031
MAX
0.80
.021-.047
0.55-1.20
.492 MAX
12.50
1. All dimensions are specified in
inches
with higher precedence in inches.
mm
2. Unless otherwise specified, all tolerances are ±
.010
.
0.25
Weight (in gram)
Tape & Reel
:
:
2.0 typ.
650 / reel
3. Coplanarity:
.004
max.
0.10
S
CHEMATICS
835-00891F
1
4
2
3
S
CHEMATICS
D
ISCLAIMER
The technology utilized in conjunction with the coupled inductor (”the CL”) described in this data sheet includes intellectual
property (the “IP”) owned by iWatt, Inc. and is covered by one or more of the following U.S. patents: 6,545,450; 6,686,727;
6,696,823. In connection with the end customer‘ purchase of the CL from “E&E Magnetic Products Limited”, the end
s
customer is hereby granted a non-exclusive, worldwide, royalty-free license (without rights to sub-license) to use and
incorporate the IP in the end customer‘ product that also incorporates the CL. In no way does this license extend to
s
customer end products which do not incorporate the CL to implement the IP.
FOR MORE INFORMATION, PLEASE CONTACT
HEADQUARTER
2/F Block A, Merit Industrial Centre,
94 Tokwawan Road, Kowloon,
Hong Kong
Tel: (852) 2765 3888
Fax: (852) 2954 3304
Email: eempl@eleceltek.com
(or) sales@eemplusa.com
Website: http://www.eleceltek.com
Information herein is for reference only and subject to change without notice. It does not constitute any representation, warranty or commitment of the company in respect
of the products in any aspect. All logos, brands and product names mentioned herein are trademarks or registered trademarks of their respective owners. The company
does not assume any liability arising out of the application or use of any product or circuit described herein. Copyrights 2006, E & E Magnetic Products Limited.
2/F Block A, 94 Tokwawan Road, Kowloon, Hong Kong
2
Tel: (852) 2765 3888
Fax: (852) 2954 3304
IK002(02)
Revised in 07/08
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