FAN4868UC33X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN4868UC33X is a synchronous boost regulator from onsemi, designed to provide a regulated 3.3 V output from a single cell Lithium or Li-Ion battery. It operates with an input voltage range of 2.35 V to 5.5 V and delivers up to 1.5 A output current. The device features a fixed switching frequency of 3 MHz, low quiescent current of 55 uA, and operates within a temperature range of -40 C to +85 C. Packaged in a WLCSP-16 (1.8x1.8 mm) format, it supports SMD/SMT installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous boost topology for high efficiency power conversion
• Integrated bypass mode capability for direct battery connection
• Compact WLCSP package suitable for space-constrained designs
• Low quiescent current for extended battery life

Voltage Regulators - DC DC Switching Regulators Applications

• Single-cell Lithium or Li-Ion battery powered devices
• Portable consumer electronics requiring compact power solutions
• Applications needing regulated 3.3 V supply from varying input voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm RoHS compliance status via official datasheets before integration. Check for end-of-life notices as availability may be limited. Ensure packaging specifications match assembly requirements. Validate electrical parameters against specific application needs prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems powered by single-cell lithium batteries requiring a stable 3.3 V rail. Consider the 3 MHz switching frequency for smaller external passive components. Evaluate thermal performance within the specified operating temperature range. Compare pinout compatibility if replacing existing designs. Verify input voltage range matches the battery profile.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the TinyBoost family from onsemi, focusing on ultra-compact power management solutions. Designed specifically for portable applications where size and efficiency are critical. Shares architectural similarities with other members like FAN48630 but optimized for specific voltage outputs and form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

FAN4868UC50X offers similar functionality with a 5.0 V output instead of 3.3 V. FAN48630 series provides alternative configurations within the same product line. Verify pin compatibility and electrical characteristics before substitution.