LMS3635MQRNLRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3635MQRNLRQ1 is a synchronous step-down DC/DC converter from the LMS3635-Q1 family, designed for automotive applications. It delivers a continuous output current of 3.5 A with an input voltage range of 3.9 V to 36 V. The device features an adjustable output voltage starting from 1 V and operates at a switching frequency between 250 kHz and 500 kHz. Packaged in a 22-pin VQFN-HR (5x4 mm) housing, it supports surface-mount installation with wettable flanks. The component is qualified to AEC-Q100 standards and functions within a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load conditions
• Wide input voltage capability suitable for 12V and 24V automotive systems
• Adjustable output voltage allows flexible power rail configuration
• Automotive-grade reliability certified under AEC-Q100 specifications

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Telematics control unit power supplies
• ADAS sensor interface power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'R' indicates reel packaging when ordering. Confirm the specific revision level matches design requirements. Ensure ESD precautions are observed during handling due to moisture sensitivity classification. Cross-reference the full part number against the manufacturer's latest datasheet to confirm pinout compatibility with existing footprints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when an adjustable output voltage is required rather than fixed rails. The 3.5 A rating suits moderate load applications compared to higher current variants. The wide input range accommodates cold crank and load dump scenarios common in automotive environments. Verify thermal performance requirements align with the VQFN-HR package capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LMS36xx-Q1 series of high-efficiency synchronous buck converters. It shares architectural similarities with the LM53635-Q1 but offers optimized performance characteristics for specific automotive power domains. The family emphasizes compact solution size and robust transient response for sensitive electronic loads.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMS3635MQRNLTQ1 differs only in tape-and-reel packaging instead of reel. LM53635MQRNLTQ1 is a related variant with different switching frequency characteristics. Verify functional equivalence before substitution.