LT3468ES5#TRPBF

Power Management - Specialized Overview

The LT3468ES5#TRPBF is a photoflash capacitor charger IC designed for camera applications. It operates from an input voltage range of 2.5 V to 8 V and generates a regulated output voltage of 320 V. The device integrates a high-voltage switch capable of delivering a peak switch current of 1.0 A, enabling rapid charging of flash capacitors. It utilizes a fixed-frequency current-mode control architecture with a switching frequency of 1.2 MHz. The component is housed in a TSOT-23-5 package and supports operation within a temperature range of -40°C to +85°C.

Power Management - Specialized Feature Summary

• Integrates a high-voltage power switch rated for 320 V output generation
• Supports rapid photoflash capacitor charging via 1.0 A peak switch current capability
• Utilizes fixed-frequency current-mode control for stable regulation
• Operates efficiently from low single-cell battery voltages up to 8 V

Power Management - Specialized Applications

• Camera module photoflash capacitor charging
• Portable imaging devices requiring high-voltage flash supplies
• Battery-powered optical equipment

Power Management - Specialized Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the ES5 variant corresponds to the standard TSOT-23-5 package configuration. Ensure compatibility with the intended input voltage range of 2.5 V to 8 V for your system design. Cross-reference the manufacturer's latest documentation for any updates regarding lead-free compliance or environmental declarations associated with this part number.

Power Management - Specialized Selection Notes

Select this component when designing systems that require a compact solution for generating high-voltage rails from low-voltage sources. The integrated switch eliminates external high-voltage components, reducing board space. Consider the 1.2 MHz switching frequency for balancing efficiency against electromagnetic interference requirements. Ensure the thermal performance of the TSOT-23-5 package meets the application's dissipation needs during peak charging cycles.

Power Management - Specialized Part Context

This part belongs to the LT3468 family of specialized power management ICs focused on high-voltage generation for flash applications. It serves as the core controller for charge pump circuits in portable electronics. Related variants include the LT3468ES5-1 and LT3468ES5-2, which are often evaluated using demonstration boards like the DC711A series. The family is characterized by its ability to drive large capacitive loads efficiently.

Power Management - Specialized Replacement Considerations

Direct substitutes within the same product line include the LT3468ES5-1#TRPBF and LT3468ES5-2#TRPBF. These variants share similar electrical characteristics but may differ in specific pin configurations or internal switch ratings. Verify functional equivalence before replacement.