Document 1028-1 Shielded Power Inductor For TI LM5118 buck-boost regulator • High current power inductor with an Aux winding. • Developed for use in high efficiency 4 switch buck-boost regulators with Texas Instruments LM5118 Core material Ferrite Environmental RoHS compliant Terminations Matte tin over nickel over phos bronze (L1), Matte tin over nickel over brass (Aux). Weight 32 g Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +125°C. Tray packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 25 pieces per tray PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf Part Inductance1 number ±20% (µH) NA5766-AL 10.0 DCR max (mOhms)2 L1 Aux 2.12 12.0 4 SRF typ3 Isat (A) (MHz) 10% drop 20% drop 15 18.0 21.5 1:1 1. Inductance measured at 500 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. 2. DCR measured on a Keithley 580 micro-ohmmeter or equivalent. 3. SRF measured using an Agilent/HP 4395A network analyzer and an Agilent/HP 16193A test fixture. 4. DC current at which the inductance drops the specified amount from its value without current. 5. Current that causes the specified temperature rise from 25°C ambient. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. L vs Current 1 Aux L1 4 2 5 3 For mounting stability only. Do not connect to ground or other circuits. L vs Frequency 100 Inductance (µH) 100 Inductance (µH) Irms (A)5 20°C rise 40°C rise 20 30 30% drop 23.4 10 µH 10 1 0.1 1 Current (A) 10 100 10 µH 10 0.1 0.1 US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] 1 10 100 Document 1028-1 Revised 10/23/12 Frequency (MHz) © Coilcraft Inc. 2013 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.