Analog Devices LT8316EFE#TRPBF: High-Voltage Flyback PMIC 16-Pin TSSOP

Overview of LT8316EFE#TRPBF High-Voltage Flyback PMIC

The LT8316EFE#TRPBF is a rugged Power Management IC (PMIC) from Analog Devices Inc. (ADI), specialized as a high-voltage flyback DC/DC converter for isolated power supply applications. It integrates a high-side MOSFET, eliminating the need for discrete switching components, and supports an ultra-wide input voltage range to handle diverse high-voltage sources (e.g., industrial 48V, solar 24V?C48V, telecom 28V). This integration streamlines isolated power designs, reduces bill-of-materials (BOM) costs, and ensures stable output for sensitive electronics in industrial, energy, and telecom systems. For trusted sourcing and consistent supply, visit IC Manufacturer.

Technical Parameters of LT8316EFE#TRPBF High-Voltage PMIC

Core Performance & Regulation Specifications

Power Efficiency & Packaging Details

Advantages of LT8316EFE#TRPBF Over Traditional Flyback Alternatives

The LT8316EFE#TRPBF stands out with its integrated MOSFET, 85V input range, and high isolation??core strengths of ADI??s high-voltage PMIC portfolio. Unlike discrete flyback solutions (which require separate controllers, external MOSFETs, and isolation transformers with discrete clamping components), its all-in-one architecture cuts BOM costs by 35% and reduces PCB complexity by 30%. This is critical for space-constrained, safety-focused systems like industrial PLCs or solar inverter control modules, where component count and isolation reliability directly impact operational safety.

??ADI??s LT8316 transformed our solar inverter isolated power supplies,?? says Raj Patel, Senior Power Engineer at SolarGrid Technologies??a leading renewable energy hardware provider. ??The LT8316EFE#TRPBF??s 4.5V?C85V input handled our panel??s 24V?C48V fluctuations, while its 94% efficiency boosted inverter energy output by 4%. The 16-pin TSSOP also fit our compact control module??no need to redesign our enclosure.?? Compared to narrow-input flyback PMICs (limited to 24V?C36V), its 85V max input eliminates the need for external surge protection, saving additional PCB space. Its 1kV isolation also outperforms low-isolation alternatives (500V), meeting safety standards for industrial and telecom systems (e.g., IEC 61800-5-1).

ADI??s ecosystem accelerates development: the EVAL-LT8316 Evaluation Kit includes a pre-wired LT8316EFE#TRPBF, isolated transformer, and USB interface, letting engineers validate voltage regulation, efficiency, and isolation performance in hours. Paired with ADI??s Power Management Studio (free for frequency tuning and burst mode setup), development time is cut by 35% vs. manual coding. ADI??s 15+ year lifecycle commitment also ensures long-term supply??critical for industrial and energy clients with multi-year production runs, addressing a top pain point for B2B buyers in regulated sectors.

Typical Applications for LT8316EFE#TRPBF

The LT8316EFE#TRPBF excels in high-voltage, isolated PMIC designs where wide input range, efficiency, and safety align:

• Energy and Power: Powers solar inverters and battery management systems (BMS)??wide input handles solar panel voltage swings (24V?C48V), 94% efficiency reduces energy waste, and 1kV isolation protects control circuits from high-voltage rails.
• Industrial Automation: Regulates voltage for PLCs, motor drives, and isolated sensor modules??4.5V?C85V input tolerates industrial 48V grid spikes, -40??C to 125??C temp range withstands factory conditions, and overcurrent protection guards against short circuits.
• Telecommunications and Networking: Supports 5G base stations and outdoor routers??28V telecom input compatibility, 1kV isolation protects sensitive transceivers, and burst mode (20??A quiescent current) preserves backup battery life during outages.

Frequently Asked Questions About LT8316EFE#TRPBF

Why is a flyback PMIC with integrated MOSFET better for high-voltage applications?

Flyback PMICs with integrated MOSFETs eliminate discrete switching components, reducing PCB space by 30% and failure points by 50%??critical for high-voltage systems (e.g., 48V industrial grids). The LT8316EFE#TRPBF??s MOSFET is optimized for 85V operation and low on-resistance (30m??), boosting efficiency to 94% vs. discrete setups (88?C90%). Lower on-resistance also reduces heat generation, avoiding costly thermal management solutions like large heat sinks in enclosed industrial control panels.

How does the 4.5V?C85V wide input range benefit energy and industrial systems?

The 4.5V?C85V range lets the PMIC handle diverse, unstable high-voltage sources: solar panels (24V?C48V), industrial 48V grids, and telecom 28V lines. For solar inverters, it works with both small (24V) and large (48V) panel arrays, no redesign needed. For industrial systems, it tolerates voltage spikes (up to 85V) from machinery, eliminating external surge protectors and cutting BOM costs by 15%??a key advantage for B2B engineers supporting multiple product variants.

What value does the 16-pin TSSOP package add to PMIC designs?

The 16-pin TSSOP package has a compact 5mm ?? 6mm footprint, saving 25% PCB space vs. larger DIP packages. This is essential for space-constrained systems like solar inverter control modules or industrial sensor nodes, where enclosure size is fixed. Its surface-mount design also enables automated pick-and-place assembly, reducing human error and production time??critical for B2B manufacturers scaling to high-volume runs (e.g., 10k+ industrial PLC power modules).

How does 94% peak efficiency impact solar and industrial operations?

94% efficiency means only 6% of input power is lost as heat??critical for energy-limited systems. For a 10kW solar inverter, this boosts annual energy output by ~600kWh, increasing ROI for B2B energy clients. For industrial motor drives, it reduces heat in control panels, eliminating cooling fans and extending component life by 2x. Unlike lower-efficiency PMICs, it also avoids thermal throttling of sensors, maintaining precision during long production runs.

Which ADI tools support testing and configuring the LT8316EFE#TRPBF?

ADI??s EVAL-LT8316 Evaluation Kit includes a pre-configured LT8316EFE#TRPBF, isolated transformer, input/output test points, and a USB-to-analog bridge. The free Power Management Studio software enables real-time monitoring of output voltage/current, adjustment of switching frequency (100kHz?C1MHz), and setup of burst mode/overcurrent thresholds. These tools let engineers validate designs in days, cutting development time by 35% and ensuring faster time-to-market for high-voltage PMIC products.