LT1245CS8#PBF

Overview

The LT1245CS8#PBF is a high-speed current mode pulse width modulation controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 8.2V to 25V and supports switching frequencies up to 500kHz. The device features a maximum duty cycle of 48% and is housed in an 8-pin SOIC package. Designed for step-down DC-DC applications, it integrates essential control circuitry for efficient power management.

Feature Summary

• Integrates a temperature-compensated reference and high-gain error amplifier
• Includes a current sensing comparator for precise regulation
• Features a high-current totem pole output stage

Applications

• Buck regulator designs
• Positive isolation capable output step-down DC-DC controllers
• High-speed current mode PWM applications

Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration. Confirm that the component meets all required environmental standards for the intended deployment environment. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this controller for applications requiring high-speed current mode operation with a fixed maximum duty cycle limit. Ensure the input supply voltage falls within the specified 8.2V to 25V range. Consider the thermal performance of the SOIC package relative to the expected power dissipation in the target design.

Part Context

This component belongs to the Linear Technology family of switching controllers, now under Analog Devices Inc. It is designed for robust power conversion tasks, offering integrated protection and control features typical of dedicated PWM controller ICs used in industrial and commercial power supplies.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.