L6740LAlternatives & Equivalent Parts

L6740L is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About L6740L

L6740L is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for L6740L — response within 24 hours.

Specification Comparison

ParameterL6740LSourceL6725L6713A
ManufacturerSTMicroelectronicsSTMicroelectronicsSTMicroelectronics
Package TypeQuad Flat PackagesSmall Outline PackagesQuad Flat Packages
Pin Count481664
Temperature Range—-25.0°C ~ 125.0°C~ 70.0°C
Price$2.2800$0.8047$3.0027
StockIn StockIn StockIn Stock
LifecycleOBSOLETEOBSOLETEOBSOLETE
Electrical Parameters
YTEOL000
Analog IC - Other TypeANALOG CIRCUITSWITCHING CONTROLLERSWITCHING CONTROLLER
JESD-30 CodeS-PQFP-G48R-PDSO-G16S-PQFP-G64
JESD-609 Codee3e4e4
Number of Functions111
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTQFP48,.35SQSOP16,.25TQFP64,.47SQ
Package ShapeSQUARERECTANGULARSQUARE
Package StyleFLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCHSMALL OUTLINEFLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)260260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)13.8 V——
Supply Voltage-Min (Vsup)10.2 V——
Supply Voltage-Nom (Vsup)12 V——
Surface MountYESYESYES
Terminal FinishMATTE TINNICKEL PALLADIUM GOLDNICKEL PALLADIUM GOLD
Terminal FormGULL WINGGULL WINGGULL WING
Terminal Pitch0.5 mm1.27 mm0.5 mm
Terminal PositionQUADDUALQUAD
Time@Peak Reflow Temperature-Max (s)303030
Control Mode—VOLTAGE-MODECURRENT-MODE
Control Technique—PULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max—14 V13.8 V
Input Voltage-Min—1.8 V10.2 V
Output Current-Max—20 A2 A
Switcher Configuration—BUCKPHASE-SHIFT
Switching Frequency-Max—500 kHz225 kHz
Temperature Grade—OTHERCOMMERCIAL
Input Voltage-Nom——12 V

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 2 alternatives for L6740L — response within 24 hours.

Quick Links

L6725by STMicroelectronics

Switching Controller, Voltage-mode, 20A, 500kHz Switching Freq-Max, PDSO16

L6713Aby STMicroelectronics

Switching Controller, Current-mode, 2A, 225kHz Switching Freq-Max, PQFP64

Why Look for Alternatives?

Finding alternatives for L6740L is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating L6740L replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for L6740L. Get expert recommendations within 24 hours.

FAQ

What is equivalent to L6740L?

Known equivalents for L6740L include L6725, L6713A. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of L6740L?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify L6740L alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.