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LMS3655MMRNLT The Texas Instruments LMS3655MMRNLT is a synchronous buck converter capable of delivering up to 5.5A. It features an adjustable output voltage and operates at a 400kHz switching frequency.
Mfr Part #:

LMS3655MMRNLT

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LMS3655MMRNLT is a synchronous buck converter capable of delivering up to 5.5A. It features an adjustable output voltage and operates at a 400kHz switching frequency.
✓ Total Stock: 10,000 pcs
$ Price Range: $3.51

LMS3655MMRNLT Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request 22+ On Request On Request
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LMS3655MMRNLT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Junction Temperature
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Quiescent Current
Supplier Device Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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LMS3655MMRNLT Description

Short technical summary and product information.

The LMS3655MMRNLT from Texas Instruments is a synchronous buck (step-down) regulator designed for high-performance applications. It can deliver a continuous load current of 5.5A and supports an adjustable output voltage ranging from 1V to 20V.

 

This converter operates at a fixed switching frequency of 400kHz (±10%) and achieves a peak efficiency of 96% when converting 12V to 5V. Key electrical features include a low quiescent current of 32µA and a typical dropout voltage of 0.35V with a 3.5A load at 25°C. It also includes built-in compensation, soft start, current limit, thermal shutdown, and UVLO protection.

 

The LMS3655MMRNLT is housed in a 22-VQFN-HR package with dimensions of 4mm x 5mm and a 0.5mm pitch. It is designed for surface mount, wettable flank mounting. The operating temperature range is -40°C to 125°C (TA), with a junction temperature range of -40°C to 150°C.

LMS3655MMRNLT Quick Information

Product Type: DC DC Switching Regulator
Series: LMS3655
Canonical Name: LMS3655MMRNLT 5.5A, 36V Synchronous Step-Down Converter
Subcategory: Step-Down Converter

LMS3655MMRNLT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LMS3655MMRNLT Estimated Pricing

Qty Low High
1+ $3.51 $3.51

Estimated market price range - modelled values for guidance only, not live distributor offers.

LMS3655MMRNLT Features

  • 5.5A continuous load current capability.
  • Adjustable output voltage from 1V to 20V.
  • 400kHz fixed switching frequency.
  • 96% peak efficiency.
  • Surface mount 22-VQFN-HR package.

LMS3655MMRNLT Applications

  • Ideal for noise-sensitive RF and audio circuits.
  • Used in automotive power supply systems.
  • Suitable for multi-rail FPGA and SoC designs.
  • Perfect for battery-powered portable electronics.
  • Designed for industrial control and automation.

LMS3655MMRNLT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage range of the LMS3655MMRNLT?

The output voltage is adjustable from 1 V to 20 V.

What is the maximum output current?

The maximum output current is 5.5 A.

What is the switching frequency?

The typical switching frequency is 400 kHz, with ±10% tolerance.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C (ambient).

What is the peak efficiency?

Peak efficiency is 96% when converting 12 V to 5 V.

What is the package type?

Available in 22-VQFN-HR and 22-VFQFN packages with surface-mount, wettable-flank mounting.

What is the quiescent current?

The typical quiescent current is 32 µA at 3.3 V output with no load.

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