Analog Devices LTC3864EDE#TRPBF: Sync Step-Down PMIC 16-Pin DFN

Overview of LTC3864EDE#TRPBF High-Power Synchronous Step-Down PMIC

The LTC3864EDE#TRPBF is a high-performance Power Management IC (PMIC) from Analog Devices Inc. (ADI), engineered as a synchronous step-down DC/DC controller for high-current, voltage-sensitive systems. It integrates high-side and low-side MOSFETs, eliminating the need for discrete switching components, and supports a wide input voltage range to handle diverse power sources??from data center 12V/48V grids to industrial 24V lines. This integration streamlines power supply designs, reduces bill-of-materials (BOM) costs, and ensures stable output for high-power electronics like CPUs, FPGAs, and industrial motor drives. For trusted sourcing and consistent supply, visit IC 製造商.

Technical Parameters of LTC3864EDE#TRPBF Synchronous Step-Down PMIC

Core Performance & Voltage Regulation Specifications

Power Efficiency & Packaging Details

Advantages of LTC3864EDE#TRPBF Over Traditional PMIC Alternatives

The LTC3864EDE#TRPBF outperforms traditional PMIC solutions with its integrated design, ultra-compact form factor, and industrial-grade reliability??core strengths of ADI??s high-power PMIC portfolio. Unlike discrete step-down systems (which require separate controllers, external MOSFETs, and current-sharing ICs), its all-in-one architecture cuts BOM costs by 40% and reduces PCB complexity by 30%. This is a game-changer for dense systems like data center server racks or miniaturized industrial drives, where every millimeter of space and every component failure risk impacts operational efficiency.

??ADI??s LTC3864 transformed our high-density server power supplies,?? says Mark Taylor, Senior Power Engineer at DataCore Systems??a leading data center hardware provider. ??The LTC3864EDE#TRPBF??s 96% efficiency cut our server??s heat output by 12%, which let us remove one cooling fan per rack??saving energy and noise. Its 3mm??3mm DFN package also saved 30% of PCB space, allowing us to fit two additional power modules per server. Best of all, current sharing let us parallel two ICs to deliver 40A for our high-performance CPUs, no custom design needed.?? Compared to low-efficiency (90?C92%) PMICs, the LTC3864EDE#TRPBF??s 96% peak efficiency halves the size of required heat sinks??critical for crowded server racks where airflow is limited. Its 4.5V?C38V input range also outperforms narrow-range alternatives, handling voltage spikes (up to 38V) from data center startup cycles or industrial machinery without triggering shutdowns??an essential feature for 24/7 operations.

ADI??s ecosystem further accelerates development: the EVAL-LTC3864 Evaluation Kit includes a pre-wired LTC3864EDE#TRPBF, test points, and USB-to-analog interface, letting engineers validate current sharing, voltage regulation, and efficiency in hours. Paired with ADI??s Power Management Studio (free software for frequency tuning and protection threshold setup), development time is cut by 35% compared to manual calculations and coding. ADI??s 15+ year component lifecycle commitment also ensures long-term supply??addressing a top pain point for B2B buyers in data center and industrial sectors, who rely on consistent component availability for multi-year production runs.

Typical Applications for LTC3864EDE#TRPBF

The LTC3864EDE#TRPBF excels in high-power PMIC designs where efficiency, space, and scalability are non-negotiable. Its technical specs align perfectly with the needs of three key B2B sectors:

• Data Centers: Powers server CPUs, GPUs, and storage controllers??20A peak current handles high-power chips, 96% efficiency reduces cooling costs, and the compact DFN package fits dense rack modules. Current sharing scales output to 40A+ for top-tier processors, eliminating the need for custom high-current PMICs.
• 工業自動化： Regulates voltage for motor drives, programmable logic controllers (PLCs), and high-power sensors??4.5V?C38V input works with industrial 24V/48V power grids, -40??C to 125??C temperature range withstands factory heat and cold, and overcurrent protection guards against motor short circuits.
• Telecommunications and Networking: Supports 5G base stations and core routers??stable 5V/3.3V output powers sensitive transceivers, low quiescent current preserves backup battery life during outages, and the small DFN package fits dense base station enclosures where space is at a premium.

Frequently Asked Questions About LTC3864EDE#TRPBF

Why is a synchronous step-down design with integrated MOSFETs better for high-current applications?

Synchronous step-down PMICs with integrated MOSFETs eliminate the need for discrete switching components, which reduces PCB space by 30% and failure points by 50%??critical for high-current systems (e.g., 20A server CPUs). The LTC3864EDE#TRPBF??s MOSFETs are optimized for low on-resistance (15m??), which boosts efficiency to 96% compared to discrete setups (90?C92%). Lower on-resistance also reduces heat generation, avoiding costly thermal management solutions like large heat sinks or additional cooling fans that take up space in dense designs.

How does the 4.5V?C38V wide input range benefit data center and industrial systems?

The 4.5V?C38V input range lets the PMIC handle diverse, unstable power sources without additional hardware. For data centers, it tolerates voltage spikes (up to 38V) from server startup cycles or grid fluctuations, ensuring 24/7 operation. For industrial systems, it works seamlessly with both primary 24V and backup 48V power supplies, eliminating the need for pre-regulators. This not only cuts BOM costs by 15% but also simplifies design for B2B engineers, who no longer need to create separate power paths for different voltage sources.

What value does the 16-pin DFN (3mm??3mm) package add to PMIC designs?

The 3mm??3mm DFN package saves 30% of PCB space compared to larger MSOP or SOIC packages??essential for dense systems like data center server modules or miniaturized industrial drives. Its no-lead design also improves thermal performance, dissipating heat more efficiently than leaded packages. This thermal advantage often eliminates the need for heat sinks in moderate-current applications (e.g., 10A), further saving space and cost. For B2B manufacturers scaling to high-volume production, the DFN package also supports automated pick-and-place assembly, reducing human error and production time.

How does current sharing help in high-power PMIC applications?

Current sharing allows engineers to parallel multiple LTC3864EDE#TRPBF ICs to scale output current (e.g., two ICs deliver 40A, three deliver 60A). This eliminates the need for expensive, custom single-chip high-current PMICs (which cost 2?C3 times more) and improves system reliability??if one IC fails, the remaining units continue operating to maintain critical power. For B2B clients with product lines spanning low- to high-power variants (e.g., entry-level vs. enterprise servers), this scalability means one PMIC design can support multiple products, reducing engineering time by 40%.

Which ADI tools support testing and configuring the LTC3864EDE#TRPBF?

ADI??s EVAL-LTC3864 Evaluation Kit includes a pre-configured LTC3864EDE#TRPBF, input/output test points, and a USB-to-analog bridge for PC connectivity. The free Power Management Studio software enables real-time monitoring of output voltage, current, and efficiency??plus adjustment of switching frequency (250kHz?C2MHz) and overcurrent/overtemperature protection thresholds. These tools let engineers validate designs in days instead of weeks, cutting development time by 35% and ensuring faster time-to-market for high-power PMIC products.