Datasheets
LM62440ALPQRJRRQ1 by: Texas Instruments

Automotive 3-V to 36-V, 4-A, low-noise synchronous step-down converter 14-VQFN-HR -40 to 150

Part Details for LM62440ALPQRJRRQ1 by Texas Instruments

Results Overview of LM62440ALPQRJRRQ1 by Texas Instruments

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Applications Education and Research Aerospace and Defense Agriculture Technology Robotics and Drones

LM62440ALPQRJRRQ1 Information

LM62440ALPQRJRRQ1 by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for LM62440ALPQRJRRQ1

Part # Distributor Description Stock Price Buy
DISTI # 296-LM62440ALPQRJRRQ1CT-ND
DigiKey IC REG BUCK ADJ 4A 14VQFN Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 2344
In Stock
  • 1 $3.9800
  • 10 $3.0100
  • 25 $2.7672
  • 100 $2.4998
  • 250 $2.3724
  • 500 $2.2956
  • 1,000 $2.2324
  • 3,000 $1.9863
$1.9863 / $3.9800 Buy Now
DISTI # 595-M62440ALPQRJRRQ1
Mouser Electronics Switching Voltage Regulators Automotive 3-V to 36 -V 4-A low-noise s RoHS: Compliant 2196
  • 1 $3.9800
  • 10 $3.0100
  • 25 $2.7700
  • 100 $2.5000
  • 250 $2.3800
  • 500 $2.3000
  • 1,000 $2.2400
  • 3,000 $1.9800
$1.9800 / $3.9800 Buy Now
LCSC Step-down type Adjustable 4A 3V36V VQFN-14-HR(3.5x4) DC-DC Converters ROHS 12
  • 1 $3.8114
  • 10 $3.7235
  • 30 $3.6634
  • 100 $3.6047
$3.6047 / $3.8114 Buy Now

Part Details for LM62440ALPQRJRRQ1

LM62440ALPQRJRRQ1 CAD Models

LM62440ALPQRJRRQ1 Part Data Attributes

LM62440ALPQRJRRQ1 Texas Instruments
Buy Now Datasheet
Compare Parts:
LM62440ALPQRJRRQ1 Texas Instruments Automotive 3-V to 36-V, 4-A, low-noise synchronous step-down converter 14-VQFN-HR -40 to 150
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description VQFN-HR, 14 PIN
Reach Compliance Code compliant
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO HAS PFM CONTROL TECHNIQUE
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 36 V
Input Voltage-Min 3 V
Input Voltage-Nom 13.5 V
JESD-30 Code R-PQCC-N14
JESD-609 Code e3
Length 4 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Outputs 1
Number of Terminals 14
Operating Temperature-Max 150 °C
Operating Temperature-Min -40 °C
Output Current-Max 4 A
Output Voltage-Max 34 V
Output Voltage-Min 1 V
Package Body Material PLASTIC/EPOXY
Package Code VQCCN
Package Equivalence Code LCC14,.14X.16(UNSPEC)
Package Shape RECTANGULAR
Package Style CHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Screening Level AEC-Q100
Seated Height-Max 1 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 2200 kHz
Terminal Finish Tin (Sn)
Terminal Form NO LEAD
Terminal Position QUAD
Width 3.5 mm

Alternate Parts for LM62440ALPQRJRRQ1

This table gives cross-reference parts and alternative options found for LM62440ALPQRJRRQ1. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM62440ALPQRJRRQ1, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM60440AQRPKRQ1 Texas Instruments Check for Price Automotive 36-V, 4-A synchronous converter in an enhanced EMI QFN package with wettable flank 13-WQFN-HR -40 to 150 LM62440ALPQRJRRQ1 vs LM60440AQRPKRQ1
LM62440CLPQRJRRQ1 Texas Instruments Check for Price Automotive 3-V to 36-V, 4-A, low-noise synchronous step-down converter 14-VQFN-HR -40 to 150 LM62440ALPQRJRRQ1 vs LM62440CLPQRJRRQ1
BD9327EFJ-LBE2 ROHM Semiconductor Check for Price Switching Regulator, Current-mode, 380kHz Switching Freq-Max, PDSO8, 4.90 X 6 MM, 1 MM HEIGHT, HTSOP-8 LM62440ALPQRJRRQ1 vs BD9327EFJ-LBE2
PLM60440AQRPKRQ1 Texas Instruments Check for Price Automotive 36-V, 4-A synchronous converter in an enhanced EMI QFN package with wettable flank 13-WQFN-HR -40 to 150 LM62440ALPQRJRRQ1 vs PLM60440AQRPKRQ1
BD9327EFJ ROHM Semiconductor Check for Price Switching Regulator, Current-mode, 4A, 460kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, HTSOP-8 LM62440ALPQRJRRQ1 vs BD9327EFJ
NR110K Sanken Electric Co Ltd Check for Price Switching Regulator, Current-mode, 4A, 455kHz Switching Freq-Max, PDSO8, HSOP-8 LM62440ALPQRJRRQ1 vs NR110K
LM60440ARPKR Texas Instruments $1.1719 36-V, 4-A synchronous converter in an enhanced EMI QFN package with wettable flank and external pad 13-WQFN-HR -40 to 150 LM62440ALPQRJRRQ1 vs LM60440ARPKR
LM62440BLPQRJRRQ1 Texas Instruments Check for Price Automotive 3-V to 36-V, 4-A, low-noise synchronous step-down converter 14-VQFN-HR -40 to 150 LM62440ALPQRJRRQ1 vs LM62440BLPQRJRRQ1

LM62440ALPQRJRRQ1 Frequently Asked Questions (FAQ)

  • Texas Instruments provides a recommended PCB layout for the LM62440ALPQRJRRQ1 in the datasheet, but it's also recommended to follow general guidelines for thermal management, such as using a solid ground plane, placing thermal vias under the device, and keeping the thermal path short and direct.

  • To ensure proper biasing, follow the recommended operating conditions and biasing schemes outlined in the datasheet. Additionally, make sure to decouple the input and output pins with suitable capacitors, and use a stable voltage reference for the bias voltage.

  • The maximum allowed power dissipation for the LM62440ALPQRJRRQ1 is dependent on the operating conditions and the thermal management of the PCB. Refer to the datasheet for the recommended operating conditions and thermal derating curves to determine the maximum allowed power dissipation.

  • To troubleshoot common issues, start by verifying the PCB layout and component values against the recommended design. Check for proper decoupling, biasing, and termination. Use simulation tools or bench testing to isolate the issue, and consult the datasheet and application notes for guidance on troubleshooting specific problems.

  • To mitigate EMI and RFI, follow general guidelines for electromagnetic compatibility (EMC) design, such as using shielding, filtering, and grounding techniques. Additionally, use the recommended layout and component values, and consider using EMI filters or common-mode chokes to reduce emissions.