LTC3618IUF#PBF

Special Purpose Regulators Overview

The LTC3618IUF#PBF is a dual synchronous buck converter from Analog Devices, designed for DDR termination applications. It features two independent channels with a switching frequency of 4 MHz and delivers up to 3 A output current per channel. The device operates with an input voltage range of 2.25 V to 5.5 V and provides adjustable outputs from 500 mV to 2.5 V. It includes three outputs in total, with a quiescent current of 1 uA and operating supply current of 2.4 mA. The component functions within a temperature range of -40°C to +125°C and is housed in a QFN-24 package.

Special Purpose Regulators Feature Summary

• Dual synchronous buck topology optimized for low noise DDR termination
• Integrated high-frequency switching architecture for compact design
• Ultra-low quiescent current capability for power efficiency

Special Purpose Regulators Applications

• DDR memory termination power supplies
• Multi-rail system power distribution networks
• Portable electronic devices requiring efficient voltage regulation

Special Purpose Regulators Procurement Notes

Verify availability status as the part may be subject to limited supply or factory special order conditions. Confirm RoHS compliance details through official documentation before integration. Ensure the QFN-24 package compatibility with your PCB layout constraints. Validate that the specific suffix matches your required thermal and electrical specifications.

Special Purpose Regulators Selection Notes

Select this component when dual independent buck converters are required for DDR termination with high current demands. Consider the 4 MHz switching frequency for balancing size and EMI performance. Evaluate the 2.25 V to 5.5 V input range against your system's power rails. Compare the 3 A per channel capacity with load requirements to ensure adequate headroom.

Special Purpose Regulators Part Context

This part belongs to the LTC3618 series of power management ICs from Analog Devices. It is categorized under switching voltage regulators and PMIC solutions. The device complements other single-channel or multi-phase converters by providing integrated dual-buck functionality in a small form factor suitable for dense board layouts.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices technical support for qualified alternatives if this component is discontinued or unavailable.