UC3844ANAlternatives & Equivalent Parts
About UC3844AN
UC3844AN is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line 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 | UC3844ANSource | MIC94305YMT-TR | STM32L4S5VIT6 | TPS61045ADRBT | XC2C64A-7QFG48C |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Microchip | STMicroelectronics | Texas Instruments | XILINX |
| Package Type | Dual-In-Line Packages | Small Outline No-lead | Quad Flat Packages | Other | Quad Flat No-Lead |
| Pin Count | 8 | 6 | 100 | 13 | 49 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — | ~ 70.0°C |
| Price | $0.4160 | $0.3103 | $7.4904 | $0.8288 | $5.5000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | — | OBSOLETE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | — | — | — |
| YTEOL | 15 | 0 | 9 | — | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER | — | — | — | — |
| Control Mode | CURRENT-MODE | — | — | — | — |
| Control Technique | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | 28 V | — | — | — | — |
| Input Voltage-Min | 11.5 V | — | — | — | — |
| Input Voltage-Nom | 15 V | — | — | — | — |
| JESD-30 Code | R-PDIP-T8 | S-PDSO-N6 | S-PQFP-G100 | — | S-XQCC-N48 |
| JESD-609 Code | e4 | e4 | — | — | e3 |
| Number of Functions | 1 | 1 | — | — | — |
| Output Current-Max | 1 A | — | — | — | — |
| Output Voltage-Max | 5.1 V | — | — | — | — |
| Output Voltage-Min | 4.9 V | — | — | — | — |
| Output Voltage-Nom | 5 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | UNSPECIFIED |
| Package Equivalence Code | DIP8,.3 | SOLCC6,.06,20 | QFP100,.63SQ,20 | — | LCC48,.27SQ,20 |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | — | SQUARE |
| Package Style | IN-LINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | — | CHIP CARRIER, VERY THIN PROFILE |
| Qualification Status | Not Qualified | — | — | — | Not Qualified |
| Supply Current-Max (Isup) | 25 mA | — | — | — | — |
| Supply Voltage-Max (Vsup) | 28 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | 16 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | 11 V | — | — | — | — |
| Surface Mount | NO | YES | YES | — | YES |
| Switcher Configuration | BUCK-BOOST | — | — | — | — |
| Switching Frequency-Max | 500 kHz | — | — | — | — |
| Technology | BIPOLAR | — | CMOS | — | CMOS |
| Temperature Grade | COMMERCIAL | AUTOMOTIVE | — | — | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | NO LEAD | GULL WING | — | NO LEAD |
| Terminal Pitch | 2.54 mm | 0.5 mm | 0.5 mm | — | 0.5 mm |
| Terminal Position | DUAL | DUAL | QUAD | — | QUAD |
| ## UC3844AN Alternates Showing results | Image | — | — | — | — |
| Manufacturer Package Code | — | UDFN-6 | — | — | — |
| Reach Compliance Code | — | Compliant | — | — | — |
| Built-in Protections | — | THERMAL | — | — | — |
| Driver Number of Bits | — | 1 | — | — | — |
| Input Characteristics | — | STANDARD | — | — | — |
| Interface IC Type | — | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | — | — | — |
| Output Current Flow Direction | — | SINK | — | — | — |
| Output Peak Current Limit-Nom | — | 0.725 A | — | — | — |
| Output Polarity | — | TRUE | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | NOT SPECIFIED | — | 260 |
| Screening Level | — | TS 16949 | — | — | — |
| Supply Voltage-Max | — | 3.6 V | 3.6 V | — | 1.9 V |
| Supply Voltage-Min | — | 1.8 V | 1.71 V | — | 1.7 V |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | NOT SPECIFIED | — | 30 |
| Turn-on Time | — | 150 µs | — | — | — |
| ## MIC94305YMT-TR Alternates Showing results | — | Image | — | — | — |
| Factory Lead Time | — | — | 12 Weeks | — | — |
| Has ADC | — | — | YES | — | — |
| Address Bus Width | — | — | 8 | — | — |
| Bit Size | — | — | 32 | — | — |
| Boundary Scan | — | — | YES | — | — |
| CPU Family | — | — | CORTEX-M4 | — | — |
| Clock Frequency-Max | — | — | 48 MHz | — | 200 MHz |
| DAC Channels | — | — | YES | — | — |
| DMA Channels | — | — | YES | — | — |
| External Data Bus Width | — | — | 16 | — | — |
| Format | — | — | FLOATING POINT | — | — |
| Integrated Cache | — | — | YES | — | — |
| Low Power Mode | — | — | YES | — | — |
| Number of DMA Channels | — | — | 14 | — | — |
| Number of External Interrupts | — | — | 16 | — | — |
| Number of I/O Lines | — | — | 83 | — | 37 |
| Number of Serial I/Os | — | — | 7 | — | — |
| Number of Timers | — | — | 14 | — | — |
| On Chip Data RAM Width | — | — | 8 | — | — |
| On Chip Program ROM Width | — | — | 8 | — | — |
| PWM Channels | — | — | YES | — | — |
| RAM (bytes) | — | — | 655488 | — | — |
| ROM (words) | — | — | 2097152 | — | — |
| ROM Programmability | — | — | FLASH | — | — |
| Speed | — | — | 120 MHz | — | — |
| Supply Current-Max | — | — | 26 mA | — | — |
| Supply Voltage-Nom | — | — | 3 V | — | 1.8 V |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | — | — |
| Additional Feature | — | — | — | — | REAL DIGITAL DESIGN TECHNOLOGY |
| In-System Programmable | — | — | — | — | YES |
| JTAG BST | — | — | — | — | YES |
| Number of Inputs | — | — | — | — | 37 |
| Number of Macro Cells | — | — | — | — | 64 |
| Number of Outputs | — | — | — | — | 37 |
| Organization | — | — | — | — | 0 DEDICATED INPUTS, 37 I/O |
| Output Function | — | — | — | — | MACROCELL |
| Programmable Logic Type | — | — | — | — | FLASH PLD |
| Propagation Delay | — | — | — | — | 7.5 ns |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for UC3844AN 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 UC3844AN 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 UC3844AN?
Known equivalents for UC3844AN include MIC94305YMT-TR, STM32L4S5VIT6, TPS61045ADRBT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3844AN?
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 UC3844AN 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.