LT1243IS8#PBFAlternatives & Equivalent Parts
About LT1243IS8#PBF
LT1243IS8#PBF is a Integrated Circuit component manufactured by Analog Devices. It comes in a Small Outline Packages 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 | LT1243IS8#PBFSource | UC3843BD1R2G |
|---|---|---|
| Manufacturer | Analog Devices | ON Semiconductor |
| Package Type | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 |
| Temperature Range | -40.0°C ~ 100.0°C | ~ 70.0°C |
| Price | $10.6300 | $0.2038 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE |
| Electrical Parameters | ||
| Pbfree Code | No | Yes |
| Manufacturer Package Code | 05-08-1610 (S8) | 751-07 |
| YTEOL | 10 | 7.6 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 25 V | 25 V |
| Input Voltage-Min | 8.2 V | 12 V |
| Input Voltage-Nom | 15 V | 15 V |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 |
| Number of Functions | 1 | 1 |
| Output Current-Max | 1 A | 1 A |
| Output Voltage-Max | 5.075 V | — |
| Output Voltage-Min | 4.925 V | — |
| Output Voltage-Nom | 5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | 10 mA | — |
| Surface Mount | YES | YES |
| Switcher Configuration | SINGLE | BUCK-BOOST |
| Switching Frequency-Max | 500 kHz | 500 kHz |
| Technology | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Package Equivalence Code | — | SOP8,.25 |
| Temperature Grade | — | COMMERCIAL |
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 this alternative for LT1243IS8#PBF — response within 24 hours.
Quick Links
Rochester Electronics LLC 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8, HALOGEN AND LEAD FREE, PLASTIC, SOIC-8
Why Look for Alternatives?
Finding alternatives for LT1243IS8#PBF 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 LT1243IS8#PBF 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 LT1243IS8#PBF?
Known equivalents for LT1243IS8#PBF include UC3843BD1R2G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LT1243IS8#PBF?
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 LT1243IS8#PBF 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.