The VLP4045LT-100M is a wire-wound power inductor manufactured by TDK Corporation. It is designed for use in power supply circuits for portable devices, particularly those requiring small size and high efficiency.

Applications

• DC-DC converters in portable devices
• Power supply circuits for smartphones and tablets
• Voltage regulators in wearable devices
• Power management in SSDs and HDDs
• Noise filtering in power lines

Features

• Small size: 4.0 x 4.0 x 4.5 mm
• Low DC resistance: Reduces power loss and improves efficiency.
• High inductance: 10µH inductance value.
• Shielded construction: Minimizes EMI (electromagnetic interference).
• Operating temperature: -40°C to +125°C (including self-temperature rise).
• RoHS compliant: Environmentally friendly, lead-free.

Benefits

• Improved power efficiency: Low DC resistance minimizes power dissipation, leading to longer battery life in portable devices.
• Reduced EMI: Shielded construction prevents electromagnetic interference with other components in the system.
• Compact design: Small size allows for higher component density on the PCB, leading to smaller and lighter devices.
• Stable performance: Reliable operation over a wide temperature range.
• Easy to use: Surface-mount design simplifies assembly and reduces manufacturing costs.

Additional Details

The VLP4045LT-100M inductor utilizes a ferrite core material, which contributes to its high inductance and low core loss. The shielded construction is achieved through a magnetic resin that surrounds the coil. This helps to contain the magnetic field and prevent it from interfering with other components. The inductor is designed for reflow soldering and is available in tape and reel packaging for automated assembly.

Specific Electrical Characteristics:

• Inductance: 10 µH (at 100 kHz)
• DC Resistance (DCR): Typically 0.16 ohms
• Rated Current: Typically 0.75 Amps (Isat) / 0.85 Amps (Irms)