LM53635LQRNLTQ1

$5.27

Description：IC REG BUCK 5V 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c1cb9e1aec20 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM53635LQRNLTQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 5V 3.5A 22VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM53635LQRNLTQ1

Description：IC REG BUCK 5V 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3.9V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：3.5A
Frequency - Switching：2.1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：22-PowerVFQFN
Supplier Device Package：22-VQFN-HR (5x4)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM53635LQRNLTQ1

LM53635LQRNLTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM53635LQRNLTQ1 is a synchronous step-down DC/DC converter from Texas Instruments, designed for automotive applications. It operates with an input voltage range of 3.9 V to 36 V and provides a fixed 3.3 V output at up to 3.5 A. The device features a switching frequency of 250 kHz to 500 kHz and includes integrated power switches. It is housed in a 22-pin VQFN-HR package and supports operation temperatures from -40°C to +150°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous buck topology for high efficiency
Automotive qualification compliant with AEC-Q100 standards
Extended junction temperature rating for harsh environments

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Instrument cluster power distribution
Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'L' indicates the fixed 3.3V output variant when ordering. Confirm the 'TQ1' suffix denotes automotive grade reliability and RoHS compliance. Ensure the 'HR' package designation matches the required thermal and footprint specifications for the target PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a fixed 3.3V rail with moderate current demands in automotive contexts. Compare against adjustable variants if flexible output voltages are needed. Consider the 250-500kHz frequency range for balancing component size and transient response requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM53635-Q1 family of wide input voltage synchronous buck converters. It shares the same core architecture and pinout as other variants in the series, differing primarily in the fixed output voltage configuration determined by the middle letter in the part number.