ST1S03PURAlternatives & Equivalent Parts

About ST1S03PUR

ST1S03PUR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline No-lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterST1S03PURSourceAT90USB162-16AUADG3308BRUZTPS63036YFGRADS1298CZXGTUC3842BN
ManufacturerSTMicroelectronicsMicrochipAnalog DevicesTexas InstrumentsTexas InstrumentsSTMicroelectronics
Package TypeSmall Outline No-leadQuad Flat PackagesSmall Outline PackagesBGADual-In-Line Packages
Pin Count6322088
Temperature Range~ 150.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C~ 70.0°C
Price$0.6417$2.7800$2.2700$0.7938$14.3194$0.2268
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Factory Lead Time16 Weeks6 Weeks14 Weeks
YTEOL7.71410156
Analog IC - Other TypeSWITCHING REGULATORSWITCHING REGULATORSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max16 V5.5 V30 V
Input Voltage-Min3 V1.8 V11.5 V
Input Voltage-Nom5 V3.6 V15 V
JESD-30 CodeS-XDSO-N6S-PQFP-G32R-PDSO-G20R-XBGA-B8R-PDIP-T8
JESD-609 Codee4e3e3e1e3
Number of Functions1111
Output Current-Max1.5 A0.4 A1 A
Package Body MaterialUNSPECIFIEDPLASTIC/EPOXYPLASTIC/EPOXYUNSPECIFIEDPLASTIC/EPOXY
Package Equivalence CodeSOLCC6,.11,37TQFP32,.35SQ,32TSSOP20,.25DIP8,.3
Package ShapeSQUARESQUARERECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, VERY THIN PROFILEFLATPACK, THIN PROFILESMALL OUTLINE, THIN PROFILE, SHRINK PITCHGRID ARRAY, VERY THIN PROFILE, FINE PITCHIN-LINE
Peak Reflow Temperature (Cel)260260260260NOT SPECIFIED
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYESYESNO
Switcher ConfigurationBUCKBUCK-BOOSTSINGLE
Switching Frequency-Max1800 kHz2600 kHz500 kHz
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)Tin/Silver/Copper (Sn/Ag/Cu)Matte Tin (Sn) - annealed
Terminal FormNO LEADGULL WINGGULL WINGBALLTHROUGH-HOLE
Terminal Pitch0.95 mm0.8 mm0.65 mm0.4 mm2.54 mm
Terminal PositionDUALQUADDUALBOTTOMDUAL
Time@Peak Reflow Temperature-Max (s)30404030NOT SPECIFIED
Pbfree CodeYesNoYes
Manufacturer Package CodeTQFP-32RU-20
Has ADCNO
Additional FeatureALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 5.5V
Bit Size8
Boundary ScanYES
CPU FamilyAVR RISC
Clock Frequency-Max16 MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
Low Power ModeYES
Number of I/O Lines22
Number of Serial I/Os1
Number of Timers2
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
RAM (bytes)512
ROM (words)16384
ROM ProgrammabilityFLASH
Speed16 MHz
Supply Current-Max25 mA
Supply Voltage-Max5.5 V5.5 V
Supply Voltage-Min5 V1.15 V
Supply Voltage-Nom5 V1.2 V
TechnologyCMOSBIPOLAR
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALCOMMERCIAL
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
## AT90USB162-16AU Alternates Showing resultsImage
Delay-Max10 ns
Interface IC TypeVOLTAGE LEVEL TRANSLATOR
Number of Bits8
Output Characteristics3-STATE
Output PolarityTRUE
Supply Voltage1-Max5.5 V
Supply Voltage1-Min1.65 V
Supply Voltage1-Nom1.8 V
Output Voltage-Max5.5 V
Output Voltage-Min1.2 V
## TPS63036YFGR Alternates Showing resultsImage
## UC3842BN Alternates Showing resultsImage

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 5 alternatives for ST1S03PUR — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for ST1S03PUR 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 ST1S03PUR 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.

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FAQ

What is equivalent to ST1S03PUR?

Known equivalents for ST1S03PUR include AT90USB162-16AU, ADG3308BRUZ, TPS63036YFGR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ST1S03PUR?

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 ST1S03PUR 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.