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ILC6360CIR-ADJ Datasheet(PDF) 9 Page - Impala Linear Corporation |
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ILC6360CIR-ADJ Datasheet(HTML) 9 Page - Impala Linear Corporation |
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9 / 14 page  Step-Up/Step-Down DC-DC Converter for 1-Cell Lithium-Ion Batteries Impala Linear Corporation 9 (408) 574-3939 www.impalalinear.com Jan 1999 ILC6360 1.1 Layout And Grounding Considerations High frequency switching and large peak currents means PCB design for DC-DC converters requires careful consid- eration. A general rule is to place the DC-DC converter cir- cuitry well away from any sensitive RF or analog compo- nents. The layout of the DC-DC converters and its external components are also based on some simple rules to mini- mize EMI and output voltage ripple. Layout 1. Place all power components, ILC6360, inductor, input capacitor and output capacitor as close together as possible. 2. Keep the output capacitor as close to the ILC6360 as possible with very short traces to the VOUT and GND pins. Typically it should be within 0.25 inches or 6mm. 3. Keep the traces for the power components wide, typically > 50mil or 1.25mm. 4. Place the external networks for LBI and VFB close to the ILC6360, but away from the power components as far as possible. Grounding 1. Use a star grounding system with separate traces for the power ground and the low power signals such as LBI/SD and VFB. The star should radiate from where the power supply enters the PCB. 2. On multilayer boards use component side copper for grounding around the ILC6360 and connect back to a quiet ground plane using vias. 100 µF V IN 15 µH C OUT R1 R2 ILC6360CIR-ADJ L X V IN LBI/SD SYNC GND LBO V FB V OUT V OUT 1 2 3 4 8 7 6 5 C IN R3 R4 ON/OFF Local "Quiet" Ground Power Ground L1 + + 10µF 100µF |
Similar Part No. - ILC6360CIR-ADJ |
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Similar Description - ILC6360CIR-ADJ |
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