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| The ICL701-4 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 ICL701-4 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. | ||||
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Part Number |
DCR (each winding) (max) | DCR (each winding) (min) | DCR (each winding) (typ) | LL (1-2) (typ) | Ls (1-2) (max) | Ls (1-2) (min) | Ls (1-2) (typ) | Ls (4-3) (max) | Ls (4-3) (min) | Ls (4-3) (typ) | Turns Radio (1 - 2) : (4 - 3) (typ) |
Order FREE SAMPLES |
| ICL701-4 | 0.33 mΩ | 0.27 mΩ | 0.3 mΩ | 140 nH | 825 nH | 525 nH | 700 nH | 825 nH | 525 nH | 700 nH | 0.042361111 |
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| Test Conditions: DCR (each winding) (max): 25°C DCR (each winding) (min): 25°C DCR (each winding) (typ): 25°C LL (1-2) (typ): short 4+3, 1.0 Vrms @ 1 MHz Ls (1-2) (max): 100mV @ 500 kHz rms Ls (1-2) (min): 100mV @ 500 kHz rms Ls (1-2) (typ): 100mV @ 500 kHz rms Ls (4-3) (max): 100mV @ 500 kHz rms Ls (4-3) (min): 100mV @ 500 kHz rms Ls (4-3) (typ): 100mV @ 500 kHz rms Turns Radio (1 - 2) : (4 - 3) (typ): 1Vrms @100 kHz |
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