UC3845BNAlternatives & Equivalent Parts
About UC3845BN
UC3845BN is a Integrated Circuit component manufactured by STMicroelectronics. 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 | UC3845BNSource | UC2845BN | ADM6710IARJZ-REEL7 | MMSD4148T1 | UC3845ADG4 | UC3845BNG | UC3845BVNG | ATMEGA328P-20PU | E-UC3845BN |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Analog Devices | ON Semiconductor | Texas Instruments | ON Semiconductor | ON Semiconductor | Microchip | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Other | Small Outline Diode | Small Outline Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 8 | 8 | 6 | 2 | 14 | 8 | 8 | 28 | 8 |
| Temperature Range | ~ 70.0°C | -25.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C |
| Price | $0.2847 | $0.3110 | $2.2700 | $0.0075 | $0.5274 | $0.3216 | $0.6400 | — | $0.3742 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||||||||
| Factory Lead Time | 14 Weeks | 14 Weeks | — | — | — | — | 2 Days | — | — |
| YTEOL | 6 | 6 | 10 | 0 | 15 | 5 | 0 | 0 | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | VOLTAGE SUPERVISOR/RESET IC | — | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — | SWITCHING CONTROLLER |
| Control Mode | CURRENT-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 | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30 V | 30 V | — | — | 28 V | 25 V | 25 V | — | 30 V |
| Input Voltage-Min | 8.2 V | 8.2 V | — | — | 8.2 V | 12 V | 12 V | — | 8.2 V |
| Input Voltage-Nom | 15 V | 15 V | — | — | 15 V | 15 V | 15 V | — | 15 V |
| JESD-30 Code | R-PDIP-T8 | R-PDIP-T8 | R-PDSO-G6 | R-PDSO-G2 | R-PDSO-G14 | R-PDIP-T8 | R-PDIP-T8 | R-PDIP-T28 | R-PDIP-T8 |
| JESD-609 Code | e3 | e3 | e3 | e0 | e4 | e3 | e3 | — | — |
| Number of Functions | 1 | 1 | 1 | — | 1 | 1 | 1 | — | 1 |
| Output Current-Max | 1 A | 1 A | — | 0.2 A | 1 A | 1 A | 1 A | — | 1 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | DIP8,.3 | TSOP6,.11,37 | — | SOP14,.25 | DIP8,.3 | DIP7/8,.3 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | NO | NO | YES | YES | YES | NO | NO | NO | NO |
| Switcher Configuration | SINGLE | SINGLE | — | — | BUCK-BOOST | SINGLE | SINGLE | — | SINGLE |
| Switching Frequency-Max | 500 kHz | 500 kHz | — | — | 500 kHz | 275 kHz | 275 kHz | — | 500 kHz |
| Technology | BIPOLAR | BIPOLAR | — | — | BIPOLAR | BIPOLAR | BIPOLAR | CMOS | — |
| Temperature Grade | COMMERCIAL | COMMERCIAL EXTENDED | INDUSTRIAL | — | COMMERCIAL | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | MATTE TIN | — | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 0.95 mm | — | 1.27 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| ## UC3845BN Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | No | No | Yes | Yes | Yes | — | — |
| Manufacturer Package Code | — | — | RJ-6 | 425-04 | — | 626-05 | 626-05 | — | — |
| Adjustable Threshold | — | — | YES | — | — | — | — | — | — |
| Number of Channels | — | — | 1 | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | 235 | 260 | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — | 28 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 1.2 V | — | 8.4 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 3 V | — | 11 V | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 30 | — | — | — | — |
| ## ADM6710IARJZ-REEL7 Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Additional Feature | — | — | — | FAST SWITCHING | — | — | — | IT ALSO OPERATES 2.7V AT 10 MHZ | — |
| Application | — | — | — | FAST RECOVERY | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | — | 100 V | — | — | — | — | — |
| Configuration | — | — | — | SINGLE | — | — | — | — | — |
| Diode Element Material | — | — | — | SILICON | — | — | — | — | — |
| Diode Type | — | — | — | RECTIFIER DIODE | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | — | 1 V | — | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | — | 0.5 A | — | — | — | — | — |
| Number of Elements | — | — | — | 1 | — | — | — | — | — |
| Number of Phases | — | — | — | 1 | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | 0.425 W | — | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 100 V | — | — | — | — | — |
| Reverse Current-Max | — | — | — | 5 µA | — | — | — | — | — |
| Reverse Recovery Time-Max | — | — | — | 0.004 µs | — | — | — | — | — |
| Reverse Test Voltage | — | — | — | 75 V | — | — | — | — | — |
| ## MMSD4148T1 Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| Output Voltage-Max | — | — | — | — | 5.1 V | — | — | — | 5.05 V |
| Output Voltage-Min | — | — | — | — | 4.9 V | — | — | — | 4.95 V |
| Output Voltage-Nom | — | — | — | — | 5 V | — | — | — | 5 V |
| Supply Current-Max (Isup) | — | — | — | — | 25 mA | 17 mA | 17 mA | — | — |
| ## UC3845ADG4 Alternates Showing results | — | — | — | — | Image | — | — | — | — |
| Has ADC | — | — | — | — | — | — | — | YES | — |
| Bit Size | — | — | — | — | — | — | — | 8 | — |
| Clock Frequency-Max | — | — | — | — | — | — | — | 20 MHz | — |
| DAC Channels | — | — | — | — | — | — | — | NO | — |
| DMA Channels | — | — | — | — | — | — | — | NO | — |
| Number of I/O Lines | — | — | — | — | — | — | — | 23 | — |
| PWM Channels | — | — | — | — | — | — | — | YES | — |
| ROM Programmability | — | — | — | — | — | — | — | FLASH | — |
| Speed | — | — | — | — | — | — | — | 20 MHz | — |
| Supply Voltage-Max | — | — | — | — | — | — | — | 5.5 V | — |
| Supply Voltage-Min | — | — | — | — | — | — | — | 4.5 V | — |
| Supply Voltage-Nom | — | — | — | — | — | — | — | 5 V | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | — | — | — | MICROCONTROLLER, RISC | — |
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 UC3845BN — response within 24 hours.
Quick Links
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
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Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDIP8
Why Look for Alternatives?
Finding alternatives for UC3845BN 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 UC3845BN 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 UC3845BN?
Known equivalents for UC3845BN include UC2845BN, ADM6710IARJZ-REEL7, MMSD4148T1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3845BN?
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 UC3845BN 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.