LT3485EDD-3#PBF

Power Management - Specialized Overview

The LT3485EDD-3#PBF is a photoflash capacitor charger switch regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 1.8 V to 10 V and delivers up to 1.5 A output current at a fixed 10 V output. The device features a flyback topology and adjustable switching frequency, with a quiescent current of 1 uA in shutdown mode. It is housed in a DFN-10 surface-mount package and functions across a temperature range of -40 C to +85 C.

Power Management - Specialized Feature Summary

• Integrated photoflash capacitor charging capability with output voltage monitoring
• Ultra-low static current consumption for extended battery life in portable applications
• Adjustable switching frequency allows optimization for external component size and efficiency

Power Management - Specialized Applications

• Photoflash capacitor charging in mobile devices
• Portable electronic equipment requiring high peak current bursts
• Battery-powered systems with strict power management requirements

Power Management - Specialized Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when sourcing. Confirm availability status as supply may be restricted or limited. Ensure the DFN-10 footprint matches the design layout. Cross-reference the datasheet for thermal pad connection requirements to guarantee proper soldering and heat dissipation during assembly.

Power Management - Specialized Selection Notes

Select this component for applications requiring dedicated photoflash charging with low standby current. The 1.5 A output current suits moderate energy storage needs. Verify that the 10 V fixed output aligns with the target capacitor voltage rating. Consider the adjustable frequency feature if minimizing passive component volume is critical for the form factor constraints.

Power Management - Specialized Part Context

This part belongs to the LT3485 series of photoflash capacitor chargers from Analog Devices. It is designed specifically for managing high-current charging cycles while maintaining low quiescent draw. The DFN-10 package provides a compact solution suitable for space-constrained portable electronics compared to larger through-hole alternatives.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.