### Overview of TLVR1005T-R15K The **TLVR1005T-R15K** is a specialized high-current power inductor specifically designed for **Trans-Inductor Voltage Regulator (TLVR)** architectures. These are commonly found in advanced computing environments such as AI servers, data centers, and high-end graphics processing units (GPUs). --- ### Technical Specifications | Feature | Specification | | :--- | :--- | | **Inductance** | 150 nH (0.15 µH) | | **Inductance Tolerance** | ±10% (K) | | **Inductance (at Rated Current)** | 100 nH (approx.) | | **DCR (Direct Current Resistance)** | ~0.125 mΩ (typical) | | **Isat (Saturation Current)** | ~70A - 90A (Varies by temperature) | | **Package Size** | 10.0 x 5.0 x 5.0 mm | | **Operating Temperature** | -40°C to +125°C | --- ### Core Components and Functionality The "TLVR" inductor differs from standard buck-converter inductors due to its internal construction and purpose: 1. **Primary and Secondary Windings:** Unlike standard power inductors with one winding, a TLVR inductor essentially functions like a 1:1 transformer. It has a primary winding for the phase current and a secondary winding (the "tuning" winding). 2. **The Compensation Loop:** The secondary windings of all TLVR inductors in a multi-phase system are connected in a series loop. This loop typically includes a "tuning inductor" ($L_c$). 3. **Transient Response:** The main advantage of this part is the **extremely fast transient response**. When one phase detects a load jump, the energy is coupled through the secondary loop to all other phases simultaneously, allowing the entire VRM (Voltage Regulator Module) to respond much faster than a traditional multi-phase system. --- ### Key Applications * **AI/Deep Learning Servers:** Supporting high-current demands for processors like NVIDIA H100/A100. * **Enterprise Storage:** Powering high-speed SSD controllers. * **ASIC/FPGA Powering:** Used in high-density power modules where space and thermal efficiency are critical. --- ### Comparison: Standard vs. TLVR Inductors | Feature | Standard Power Inductor | TLVR Inductor (R15K) | | :--- | :--- | :--- | | **Structure** | Single Winding | Dual Winding (Transformer-like) | | **Phase Coupling** | Isolated phases | Coupled phases via secondary loop | | **Transient Speed** | Limited by controller/single phase | Instantaneous across all phases | | **Complexity** | Low | High (requires tuning inductor) | ---