LT1244IN8#PBF

AC DC Converters, Offline Switchers Overview

The LT1244IN8#PBF is a high-speed current mode pulse width modulator manufactured by Analog Devices Inc. It operates within an input voltage range of 11 V to 25 V and provides a nominal output voltage of 2.5 V with a maximum output current of 1 A. The device utilizes a fixed-frequency architecture supporting switching frequencies up to 500 kHz. It is housed in an 8-pin PDIP package and functions as a buck topology controller.

AC DC Converters, Offline Switchers Feature Summary

• High-speed current mode control architecture
• Fixed frequency pulse width modulation
• Buck converter topology support

AC DC Converters, Offline Switchers Applications

• Offline switchers
• AC-DC converters
• General purpose switching controllers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the manufacturer designation matches Analog Devices Inc., as historical records may reference Linear Technology. Ensure the PDIP-8 package type aligns with your PCB footprint requirements before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high-speed current mode regulation with a fixed frequency. It serves as an improved, plug-compatible alternative to the UC1842 series. Consider the 11 V to 25 V input range and 500 kHz maximum switching frequency when designing power supply circuits.

AC DC Converters, Offline Switchers Part Context

The LT1244 series comprises 8-pin, fixed-frequency, current mode PWM controllers. These devices are designed as improved, plug-compatible replacements for the industry-standard UC1842 series. They offer enhanced speed characteristics while maintaining lower static current consumption compared to their predecessors.

AC DC Converters, Offline Switchers Replacement Considerations

The LT1244 series is documented as a direct replacement for the UC1842 series.