LM3495MTCX

DC DC Switching Controllers Overview

The LM3495MTCX is a PWM buck regulator from Texas Instruments featuring unique analog peak current mode control. It operates with an input voltage range of 2.9V to 18V and supports adjustable output voltages from 0.6V to 5.5V. The switching frequency is programmable from 200 kHz to 1.5 MHz and can be synchronized to an external clock. The device includes low-side sensing for programmable current limiting without a sense resistor, internal soft-start with tracking capability, and comprehensive protection features such as hiccup mode and adaptive duty cycle limits. It is housed in a TSSOP-16 package.

DC DC Switching Controllers Feature Summary

• Implements unique analog peak current mode control to eliminate switching noise limitations at high frequencies and short duty cycles.
• Features low-side current sensing using MOSFET RDS(ON) for programmable current limiting without external sense resistors.
• Includes internal soft-start with power supply tracking capability for precise multi-rail sequencing.

DC DC Switching Controllers Applications

• Efficient step-down conversion for low output voltage digital loads
• Multi-phase or multi-rail power distribution systems requiring tracking
• High-frequency DC-DC converter designs

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'MTCX' against the official datasheet to confirm the tape-and-reel packaging configuration and temperature grade. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the manufacturer's latest documentation to confirm active status and any recent design changes.

DC DC Switching Controllers Selection Notes

Select this component when analog peak current mode control is preferred for noise reduction in high-frequency applications. Consider the wide input voltage range and programmable frequency for flexible power rail design. Evaluate the low-side sensing requirement against existing MOSFET characteristics for accurate current limit setting.

DC DC Switching Controllers Part Context

The LM3495 belongs to Texas Instruments' family of synchronous buck controllers designed for demanding digital load applications. It distinguishes itself through analog peak current mode operation, offering superior transient response and noise performance compared to traditional voltage mode controllers in similar form factors.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with direct replacements by comparing pinout, electrical specifications, and control topology against the original datasheet requirements.