LTC1697EMS#TRPBF

Special Purpose Regulators Overview

The LTC1697EMS#TRPBF is a compact, power-efficient CCFL controller designed for handheld devices. It operates on a 3.3V or 5V supply with a maximum frequency of 300kHz. The device is housed in a 10-pin MSOP package and supports an operating temperature range from -40°C to +85°C. It functions as a high-efficiency alternative to LED backlighting for handheld computer displays.

Special Purpose Regulators Feature Summary

• Compact design optimized for handheld equipment
• High power efficiency for single CCFL control
• Integrated current-fed resonant Royer converter topology

Special Purpose Regulators Applications

• Backlight control for handheld computer displays
• CCFL driver circuits in portable electronics
• Efficient low-power display illumination systems

Special Purpose Regulators Procurement Notes

Verify the suffix #TRPBF indicates tape-and-reel packaging rather than tube packaging associated with #PBF variants. Confirm RoHS compliance status and active part status through official Analog Devices documentation before procurement. Ensure the specific MSOP-10 package dimensions match your PCB layout requirements.

Special Purpose Regulators Selection Notes

Select this component when designing for single CCFL backlighting in space-constrained handheld applications. It provides a cost-effective solution compared to LED alternatives. Ensure the input voltage aligns with the 2.8V to 5.5V operating range. Consider the 300kHz switching frequency for transformer and component selection in the resonant circuit.

Special Purpose Regulators Part Context

This part belongs to the LTC1697 series of CCFL controllers manufactured by Analog Devices. It is specifically engineered to drive a single 1W Cold Cathode Fluorescent Lamp. The EMS variant denotes the MSOP surface-mount package option within the broader product family.

Special Purpose Regulators Replacement Considerations

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