UC3845DAlternatives & Equivalent Parts
About UC3845D
UC3845D is a Integrated Circuit component manufactured by Texas Instruments. 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 | UC3845DSource | ADS1115IRUGR | UC3845D8 | UC3843D | UC3842D | UC3845N | UC3845DG4 | UC3845AJ | UC3842N |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Other | — | Small Outline Packages | — | Dual-In-Line Packages | Other | Ceramic Dual-In-Line Packages | — |
| Pin Count | 14 | 10 | — | 14 | — | 8 | 14 | 8 | — |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 125.0°C | — | ~ 70.0°C | — | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | — |
| Price | $0.5917 | $1.0390 | $0.5863 | $0.3650 | $0.5917 | $0.3232 | $0.6585 | — | $0.5278 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | — | NOT RECOMMENDED | ACTIVE | ACTIVE | — |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | Yes | — | Yes | — | Yes | Yes | Yes | — |
| YTEOL | 15 | 15 | — | 15 | — | 15 | 15 | 15 | — |
| Analog IC - Other Type | SWITCHING CONTROLLER | — | — | SWITCHING CONTROLLER | — | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — |
| Control Mode | CURRENT-MODE | — | — | CURRENT-MODE | — | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | — |
| Control Technique | PULSE WIDTH MODULATION | — | — | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | 28 V | — | — | 28 V | — | 28 V | 28 V | 28 V | — |
| Input Voltage-Min | 8.2 V | — | — | 8.2 V | — | 8.2 V | 8.2 V | 8.2 V | — |
| Input Voltage-Nom | 15 V | — | — | 15 V | — | 15 V | 15 V | 15 V | — |
| JESD-30 Code | R-PDSO-G14 | R-PQCC-N10 | — | R-PDSO-G14 | — | R-PDIP-T8 | R-PDSO-G14 | R-GDIP-T8 | — |
| JESD-609 Code | e4 | e4 | — | e4 | — | e4 | e4 | e0 | — |
| Number of Functions | 1 | 1 | — | 1 | — | 1 | 1 | 1 | — |
| Output Current-Max | 1 A | — | — | 1 A | — | 1 A | 1 A | 1 A | — |
| Output Voltage-Nom | 2.5 V | — | — | 2.5 V | — | 5 V | 2.5 V | 5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | — |
| Package Equivalence Code | SOP14,.25 | LCC10,.06X.08,20 | — | SOP14,.25 | — | DIP8,.3 | SOP14,.25 | DIP8,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | CHIP CARRIER, VERY THIN PROFILE | — | SMALL OUTLINE | — | IN-LINE | SMALL OUTLINE | IN-LINE | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | — | — | 260 | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | — |
| Supply Current-Max (Isup) | 25 mA | — | — | 25 mA | — | 25 mA | 25 mA | 25 mA | — |
| Supply Voltage-Max (Vsup) | 28 V | — | — | 28 V | — | 28 V | 28 V | 28 V | — |
| Supply Voltage-Min (Vsup) | 8.4 V | — | — | 8.4 V | — | 8.4 V | 8.4 V | 8.4 V | — |
| Surface Mount | YES | YES | — | YES | — | NO | YES | NO | — |
| Switcher Configuration | BUCK-BOOST | — | — | BUCK-BOOST | — | BUCK-BOOST | BUCK-BOOST | BUCK-BOOST | — |
| Switching Frequency-Max | 500 kHz | — | — | 500 kHz | — | 500 kHz | 500 kHz | 500 kHz | — |
| Technology | BIPOLAR | CMOS | — | BIPOLAR | — | BICMOS | BIPOLAR | BICMOS | — |
| Temperature Grade | COMMERCIAL | AUTOMOTIVE | — | COMMERCIAL | — | COMMERCIAL | COMMERCIAL | COMMERCIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Lead (Sn/Pb) | — |
| Terminal Form | GULL WING | NO LEAD | — | GULL WING | — | THROUGH-HOLE | GULL WING | THROUGH-HOLE | — |
| Terminal Pitch | 1.27 mm | 0.5 mm | — | 1.27 mm | — | 2.54 mm | 1.27 mm | 2.54 mm | — |
| Terminal Position | DUAL | QUAD | — | DUAL | — | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 | — | — | 30 | — | — |
| ## UC3845D Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Analog Input Voltage-Max | — | 5.5 V | — | — | — | — | — | — | — |
| Analog Input Voltage-Min | — | -4.096 V | — | — | — | — | — | — | — |
| Conversion Time-Max | — | 1.162 µs | — | — | — | — | — | — | — |
| Converter Type | — | ADC, DELTA-SIGMA | — | — | — | — | — | — | — |
| Linearity Error-Max (EL) | — | 0.0015% | — | — | — | — | — | — | — |
| Number of Analog In Channels | — | 4 | — | — | — | — | — | — | — |
| Number of Bits | — | 16 | — | — | — | — | — | — | — |
| Output Bit Code | — | 2S COMPLEMENT BINARY | — | — | — | — | — | — | — |
| Output Format | — | SERIAL | — | — | — | — | — | — | — |
| Sample Rate | — | 0.00086 MHz | — | — | — | — | — | — | — |
| Supply Current-Max | — | 0.3 mA | — | — | — | — | — | — | — |
| Supply Voltage-Min | — | 2 V | — | — | — | — | — | — | — |
| Supply Voltage-Nom | — | 3.3 V | — | — | — | — | — | — | — |
| ## ADS1115IRUGR Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| ## UC3843D Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| ## UC3845N 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 8 alternatives for UC3845D — response within 24 hours.
Quick Links
suggested
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CDIP8
Why Look for Alternatives?
Finding alternatives for UC3845D 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 UC3845D 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 UC3845D?
Known equivalents for UC3845D include ADS1115IRUGR, UC3845D8, UC3843D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3845D?
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 UC3845D 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.