ADPL54203ES8E#PBF

Overview

The ADPL54203ES8E#PBF is a microprocessor-oriented, no-optocoupler isolated flyback converter manufactured by Analog Devices. It operates with an input voltage range of 3.2 V to 40 V and provides a regulated output up to 60 V at 3.4 A. The device integrates a 65 V power MOSFET and utilizes primary-side regulation to eliminate the need for optocouplers or secondary-side error amplifiers. Key electrical parameters include a typical quiescent current of 390 uA and a switching frequency that can be programmed down to 12 kHz. It is housed in an SOIC-Narrow-EP-8 package and supports operation from -40°C to +125°C.

Feature Summary

• Integrates primary-side regulation architecture to remove the requirement for optocouplers and auxiliary windings.
• Includes an integrated 65 V power MOSFET within the controller package.
• Supports wide input voltage ranges suitable for various DC-DC conversion topologies.

Applications

• Isolated auxiliary power supplies
• Microprocessor system power management
• Industrial control systems

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status via official documentation. Ensure storage conditions respect humidity sensitivity levels specified in the datasheet. Validate package marking against the manufacturer's standard identification codes prior to assembly.

Selection Notes

Select this component for designs requiring galvanic isolation without optocoupler complexity. Consider the 65 V drain rating when designing transformer turns ratios. Evaluate thermal performance requirements given the SOIC-Narrow-EP-8 package constraints. Verify that the target application load profile aligns with the 3.4 A maximum output current capability.

Part Context

This part belongs to the ADPL54203 family of isolated converters designed for low-power applications. It targets cost-sensitive designs where board space and bill-of-materials count are critical. The family focuses on simplifying isolated power supply design by integrating high-voltage switching capabilities directly into the controller IC.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.