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
| Parameter | ST1S03PURSource | AT90USB162-16AU | ADG3308BRUZ | TPS63036YFGR | ADS1298CZXGT | UC3842BN |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Microchip | Analog Devices | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | Small Outline No-lead | Quad Flat Packages | Small Outline Packages | BGA | — | Dual-In-Line Packages |
| Pin Count | 6 | 32 | 20 | 8 | — | 8 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 16 Weeks | 6 Weeks | — | — | — | 14 Weeks |
| YTEOL | 7.7 | 14 | 10 | 15 | — | 6 |
| Analog IC - Other Type | SWITCHING REGULATOR | — | — | SWITCHING REGULATOR | — | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | — | — | CURRENT-MODE | — | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | — | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 16 V | — | — | 5.5 V | — | 30 V |
| Input Voltage-Min | 3 V | — | — | 1.8 V | — | 11.5 V |
| Input Voltage-Nom | 5 V | — | — | 3.6 V | — | 15 V |
| JESD-30 Code | S-XDSO-N6 | S-PQFP-G32 | R-PDSO-G20 | R-XBGA-B8 | — | R-PDIP-T8 |
| JESD-609 Code | e4 | e3 | e3 | e1 | — | e3 |
| Number of Functions | 1 | — | 1 | 1 | — | 1 |
| Output Current-Max | 1.5 A | — | — | 0.4 A | — | 1 A |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC6,.11,37 | TQFP32,.35SQ,32 | TSSOP20,.25 | — | — | DIP8,.3 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE | FLATPACK, THIN PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | — | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — | NOT SPECIFIED |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — | Not Qualified |
| Surface Mount | YES | YES | YES | YES | — | NO |
| Switcher Configuration | BUCK | — | — | BUCK-BOOST | — | SINGLE |
| Switching Frequency-Max | 1800 kHz | — | — | 2600 kHz | — | 500 kHz |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Tin/Silver/Copper (Sn/Ag/Cu) | — | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD | GULL WING | GULL WING | BALL | — | THROUGH-HOLE |
| Terminal Pitch | 0.95 mm | 0.8 mm | 0.65 mm | 0.4 mm | — | 2.54 mm |
| Terminal Position | DUAL | QUAD | DUAL | BOTTOM | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 40 | 40 | 30 | — | NOT SPECIFIED |
| Pbfree Code | — | Yes | No | Yes | — | — |
| Manufacturer Package Code | — | TQFP-32 | RU-20 | — | — | — |
| Has ADC | — | NO | — | — | — | — |
| Additional Feature | — | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 5.5V | — | — |
| Bit Size | — | 8 | — | — | — | — |
| Boundary Scan | — | YES | — | — | — | — |
| CPU Family | — | AVR RISC | — | — | — | — |
| Clock Frequency-Max | — | 16 MHz | — | — | — | — |
| DAC Channels | — | NO | — | — | — | — |
| DMA Channels | — | NO | — | — | — | — |
| Format | — | FIXED POINT | — | — | — | — |
| Integrated Cache | — | NO | — | — | — | — |
| Low Power Mode | — | YES | — | — | — | — |
| Number of I/O Lines | — | 22 | — | — | — | — |
| Number of Serial I/Os | — | 1 | — | — | — | — |
| Number of Timers | — | 2 | — | — | — | — |
| On Chip Data RAM Width | — | 8 | — | — | — | — |
| On Chip Program ROM Width | — | 8 | — | — | — | — |
| PWM Channels | — | YES | — | — | — | — |
| RAM (bytes) | — | 512 | — | — | — | — |
| ROM (words) | — | 16384 | — | — | — | — |
| ROM Programmability | — | FLASH | — | — | — | — |
| Speed | — | 16 MHz | — | — | — | — |
| Supply Current-Max | — | 25 mA | — | — | — | — |
| Supply Voltage-Max | — | 5.5 V | 5.5 V | — | — | — |
| Supply Voltage-Min | — | 5 V | 1.15 V | — | — | — |
| Supply Voltage-Nom | — | 5 V | 1.2 V | — | — | — |
| Technology | — | CMOS | — | — | — | BIPOLAR |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | COMMERCIAL |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER, RISC | — | — | — | — |
| ## AT90USB162-16AU Alternates Showing results | — | Image | — | — | — | — |
| Delay-Max | — | — | 10 ns | — | — | — |
| Interface IC Type | — | — | VOLTAGE LEVEL TRANSLATOR | — | — | — |
| Number of Bits | — | — | 8 | — | — | — |
| Output Characteristics | — | — | 3-STATE | — | — | — |
| Output Polarity | — | — | TRUE | — | — | — |
| Supply Voltage1-Max | — | — | 5.5 V | — | — | — |
| Supply Voltage1-Min | — | — | 1.65 V | — | — | — |
| Supply Voltage1-Nom | — | — | 1.8 V | — | — | — |
| Output Voltage-Max | — | — | — | 5.5 V | — | — |
| Output Voltage-Min | — | — | — | 1.2 V | — | — |
| ## TPS63036YFGR Alternates Showing results | — | — | — | Image | — | — |
| ## UC3842BN Alternates Showing results | — | — | — | — | — | Image |
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.