## Technical Overview: LPS5030-684ML The **LPS5030-684ML** is a high-performance, low-profile power inductor manufactured by **Coilcraft**. It belongs to the LPS5030 series, which is specifically designed for applications where PCB height is restricted but high current handling is required. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify the component's characteristics: | Code Segment | Meaning | | :--- | :--- | | **LPS** | Low Profile Shielded Inductor series | | **5030** | Physical Dimensions (approx. 5.0 x 5.0 x 3.0 mm) | | **684** | Inductance Value: **680 µH** (68 + 4 zeros in picohenries) | | **M** | Tolerance: **±20%** | | **L** | Termination/Packaging: RoHS compliant, matte tin over nickel over silver-palladium-glass frit | --- ### 2. Key Specifications The following table summarizes the electrical and physical properties of the part: | Parameter | Specification | | :--- | :--- | | **Inductance** | 680 µH | | **DCR Max (Direct Current Resistance)** | 4.80 Ohms | | **SRF Typ (Self-Resonant Frequency)** | 2.5 MHz | | **Isat (Saturation Current)** | 0.22 A (10% drop) | | **Irms (RMS/Heating Current)** | 0.25 A (40°C rise) | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Magnetically Shielded | --- ### 3. Core Features * **Magnetic Shielding:** The component is shielded, which minimizes Electromagnetic Interference (EMI) and prevents the inductor from affecting nearby sensitive components. * **Low Profile:** With a maximum height of 3.0 mm, it is ideal for thin consumer electronics. * **High Inductance Value:** 680 µH is considered a high value for this footprint, making it suitable for low-frequency filtering or specific voltage boost applications. * **Robust Construction:** Designed to handle high-temperature reflow soldering processes. --- ### 4. Typical Applications The LPS5030-684ML is commonly integrated into: 1. **DC-DC Converters:** Used as an energy storage element in buck or boost regulators. 2. **LCD Displays:** Providing stable voltage for backlighting. 3. **Portable Electronics:** Smartphones, tablets, and wearable tech where space is at a premium. 4. **Battery Powered Devices:** Due to its balance of size and efficiency. ---