ZL2105ALNF

Voltage Regulators - DC DC Switching Regulators Overview

The ZL2105ALNF is a 3A integrated digital DC-DC converter featuring synchronous step-down topology in a QFN-EP-36 package. It accepts an input voltage range of 4.5 V to 14 V and provides an adjustable output from 540 mV to 5.5 V with ±1% accuracy. The device supports switching frequencies between 200 kHz and 2 MHz, operates within -40°C to +125°C, and includes internal MOSFETs for high efficiency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous power MOSFETs and control logic for compact design
• Supports digital soft-start, sequencing, tracking, and margining via pin-strapping or serial interface
• Enables phase spreading to reduce system capacitance requirements
• Provides thermal monitoring with automatic shutdown protection

Voltage Regulators - DC DC Switching Regulators Applications

• Telecom and storage equipment
• Digital set-top boxes
• Industrial supplies
• 12 V distributed power systems
• Point of load converters

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels as the part may be discontinued. Confirm RoHS compliance status and moisture sensitivity level before assembly. Check for specific ordering suffixes that define package variations. Ensure supply chain stability due to potential end-of-life status.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high current density and precise digital power management. Evaluate thermal performance given the small footprint and continuous 3 A output capability. Consider compatibility with PMBus protocols if intelligent system-level communication is required for sequencing or monitoring.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the Zilker Labs Digital-DC series, combining power conversion with advanced management features. Designed to replace discrete solutions by integrating MOSFETs and control circuitry into a single small package, reducing bill of materials and board space while maintaining industry-leading efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official documentation for verified substitute part numbers. Verify pinout compatibility and electrical specifications before substitution.