LT1184CS#PBF

Special Purpose Regulators Overview

The LT1184CS#PBF is a dual current mode switching regulator manufactured by Analog Devices Inc., designed for Cold Cathode Fluorescent Lighting (CCFL) and Liquid Crystal Display (LCD) contrast control. It integrates high-current, high-efficiency switches, an oscillator, a reference, output drive logic, control blocks, and protection circuitry. The device supports grounded lamp configurations with a wide input voltage range of 3V to 30V. It features low quiescent current and a switching frequency of 200kHz. The IC includes a CCFL switch rated at 1.25A and an LCD switch rated at 625mA.

Special Purpose Regulators Feature Summary

• Dual current mode switching regulators providing control functions for CCFL and LCD contrast applications
• Integrated high current, high efficiency switches with open-lamp protection capabilities
• Supports grounded lamp configurations within a wide input voltage range

Special Purpose Regulators Applications

• Notebook and Palmtop Computers
• Portable Instruments
• Automotive Displays
• Retail Terminals

Special Purpose Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm package type matches SOIC-16 requirements for your PCB layout. Check manufacturer documentation for any recent production changes or lifecycle status updates before finalizing procurement plans.

Special Purpose Regulators Selection Notes

Select this component for designs requiring dedicated CCFL backlighting with grounded lamp setups. It is suitable where unipolar contrast operation is sufficient, unlike the LT1182 which supports bipolar options. Ensure input voltage stays within the 3V to 30V range and consider thermal management for the integrated switches.

Special Purpose Regulators Part Context

This part belongs to the LT1182/LT1183/LT1184 family of switching regulators from Analog Devices. While the LT1182 and LT1183 support both CCFL and LCD contrast with various lamp configurations, the LT1184 specifically provides only the CCFL function and supports grounded lamp configurations exclusively.

Special Purpose Regulators Replacement Considerations

LT1182IS#TRPBF

Special Purpose Regulators FAQ

Does the LT1184 support floating lamp configurations?

No, the LT1184 supports only grounded lamp configurations.

What is the switching frequency of the LT1184?

The switching frequency is 200kHz.