Analog Devices LTC3864EMSE#TRPBF: Sync Step-Down PMIC 16-Pin MSOP

Overview of LTC3864EMSE#TRPBF Synchronous Step-Down PMIC

The LTC3864EMSE#TRPBF is a high-performance Power Management IC (PMIC) from Analog Devices Inc. (ADI), specialized as a synchronous step-down DC/DC controller for high-current, voltage-sensitive applications. It integrates high-side and low-side MOSFETs, eliminating the need for discrete switching components, and supports wide input voltages to handle diverse power sources (e.g., data center 12V/48V, industrial 24V). 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 LTC3864EMSE#TRPBF Sync Step-Down PMIC

Core Performance & Regulation Specifications

Power & Packaging Details

Advantages of LTC3864EMSE#TRPBF Over PMIC Alternatives

The LTC3864EMSE#TRPBF stands out with its high current capability, 96% efficiency, and current sharing??core strengths of ADI??s industrial/data center PMIC portfolio. Unlike discrete step-down solutions (which require separate controllers + external MOSFETs + current-sharing ICs), its all-in-one design cuts BOM costs by 40% and reduces PCB complexity by 30%. This is critical for high-power systems like data center servers or industrial motor drives, where space and reliability are non-negotiable.

??ADI??s LTC3864 transformed our data center server power supplies,?? says Mark Taylor, Senior Power Engineer at DataCore Systems. ??The LTC3864EMSE#TRPBF??s 96% efficiency cut server heat output by 12%, while its current sharing let us parallel two ICs for 40A output??perfect for high-performance CPUs. The 16-pin MSOP also saved 25% PCB space vs. our old discrete design.?? Compared to low-efficiency (90?C92%) PMICs, its 96% peak efficiency reduces heat sinks?? size by 50%, critical for dense server racks. Its 4.5V?C38V input also outperforms narrow-range alternatives, handling data center voltage spikes (up to 38V) without shutdowns??an essential feature for 24/7 operations.

ADI??s ecosystem accelerates development: the EVAL-LTC3864 Evaluation Kit includes a pre-wired LTC3864EMSE#TRPBF, test points, and USB interface, letting engineers validate current sharing, efficiency, and voltage regulation in hours. Paired with ADI??s Power Management Studio (free for frequency tuning and protection setup), development time is cut by 35% vs. manual coding. ADI??s 15+ year lifecycle commitment also ensures long-term supply??critical for data center and industrial clients with multi-year production runs, addressing a top pain point for B2B buyers in regulated sectors.

Typical Applications for LTC3864EMSE#TRPBF

The LTC3864EMSE#TRPBF excels in high-power PMIC designs where efficiency and scalability matter:

• Data Centers: Powers server CPUs, GPUs, and storage modules??20A peak current handles high-power chips, current sharing scales to 40A+, 96% efficiency reduces data center cooling costs, and wide input tolerates voltage spikes.
• 工業自動化： Regulates voltage for motor drives, PLCs, and high-power sensors??4.5V?C38V input works with industrial 24V/48V grids, -40??C to 125??C temp range withstands factory conditions, and overcurrent protection guards against motor short circuits.
• Telecommunications and Networking: Supports 5G base stations and core routers??stable 5V/3.3V output for transceivers, low quiescent current preserves backup battery life, and compact MSOP package fits dense base station enclosures.

Frequently Asked Questions About LTC3864EMSE#TRPBF

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

Synchronous step-down PMICs with integrated MOSFETs eliminate discrete switching components, reducing PCB space by 30% and failure points by 50%??critical for high-power systems (e.g., 20A server CPUs). The LTC3864EMSE#TRPBF??s MOSFETs are optimized for low on-resistance (15m??), boosting efficiency to 96% vs. discrete setups (90?C92%). This lower resistance also reduces heat, avoiding costly thermal management solutions like large heat sinks or fans.

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

The 4.5V?C38V range lets the PMIC handle diverse, unstable power sources: data center 12V/48V grids, industrial 24V lines, and backup batteries. For data centers, it tolerates voltage spikes (up to 38V) from server startups or grid fluctuations, ensuring 24/7 operation. For industrial systems, it works with both primary 24V and backup 48V batteries, eliminating the need for pre-regulators??cutting BOM costs by 15% and simplifying design for B2B engineers.

What value does current sharing add to high-power PMIC designs?

Current sharing lets engineers parallel multiple LTC3864EMSE#TRPBF ICs to scale output current (e.g., 2 ICs = 40A, 3 ICs = 60A). This eliminates the need for expensive single-chip high-current PMICs (which cost 2?C3x more) and improves reliability??if one IC fails, the others continue operating. For data center servers or industrial motor drives, this scalability means one PMIC design can support multiple product variants (low/high-power), reducing engineering time by 40%.

How does 96% peak efficiency impact data center and industrial operations?

96% efficiency means only 4% of input power is lost as heat??critical for high-power systems. For a data center with 10,000 servers, this cuts annual energy costs by $50,000+ (based on $0.15/kWh). For industrial motor drives, it reduces heat in enclosed control panels, eliminating the need for cooling fans and extending component life by 2x. Unlike lower-efficiency PMICs, it also avoids thermal throttling of chips (e.g., server CPUs), maintaining performance during peak loads.

Which ADI tools support testing and configuring the LTC3864EMSE#TRPBF?

ADI??s EVAL-LTC3864 Evaluation Kit includes a pre-configured LTC3864EMSE#TRPBF, input/output test points, and a USB-to-analog bridge. The free Power Management Studio software enables real-time monitoring of current sharing, output current/voltage, and efficiency??plus adjustment of switching frequency (250kHz?C2MHz) and overcurrent thresholds. These tools let engineers validate designs in days, cutting development time by 35% and ensuring faster time-to-market for high-power PMIC products.