ICL501-1 데이터시트 PDF

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ICL501-1

VRD/POL Inductor

Features

• Designed for use with IKOR’s

proprietary coupled inductor

multi-phase DC-DC converter topology

• Low height and small size allows use

in both imbedded (VRD) and module

(VRM) applications

• Robust SMD package is compatible

with SMT assembly process handling

Applications

• VRDs (Imbedded)

• VRMs (Module)

• POLs

• VRM 10.x / VRM11

based designs.

• DDR2/3 memory

The ICL 501-1 using IKOR’s coupled inductor technology solves the most pressing problem facing IA-32 VRDs

and VRMs. This patented technology solves the trade-off between efficiencyand elimination of bulk capacitors

by dramatically lowering the VRM output inductance while using industry-standard components and relatively

low switching frequencies. This technology provides superior transient response performance to higher

frequency solutions due to the unique method of coupling between phases, and enables high-current designs

with little or no electrolytic output bypass capacitance. The ICL501-1 coupled inductor can be used in both

VRD and module VRM applications. Its small size and low height make it possible to design high-density VRMs

and to fit the inductors very close to the CPU socket in VRD applications. This device can also be used in high-

current System VRM (SVRM) applications where small size, high efficiency, and low total BOM cost is critical.

Electrical Specifications

Parameter

Turns Radio (1 - 2) : (4 - 3)

Ls (1-2)

Ls (4-3)

LL (1-2)

DCR (each winding)

Test Conditions

100mV @ 500 kHz rms

100mV @ 500 kHz rms

short 4+3, 1.0 Vrms @ 1 MHz

1. Electrical specifications at 25˚C unless noted otherwise.

2. DC current, PCB layout, trace thickness and width, airflow, and

proximity to other devices will affect inductor temerature rise.

3. Operating temperature range: 0°C to 100°C.

4. Meets UL 94V-0.

Min Typ

350 500

350 500

45

Max

1:1

650

650

60

0.3

Unit

-

nH

nH

nH

mΩ

Specifications subject to change without notice.

800.729.2099 tel

www.icecomponents.com

22

(03/08) ICL501-1-1

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