| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC1845AJ883B | Texas Instruments | $20.1295 | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs UC1845AJ883B |
| 5962-8670408VPA | Texas Instruments | $223.3898 | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670408VPA |
| 5962-8670404PC | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670404PC |
| 5962-8670404PA | Microchip Technology Inc | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670404PA |
| 5962-8670408PX | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8 | UC1845J vs 5962-8670408PX |
| 5962-8670404VPX | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8 | UC1845J vs 5962-8670404VPX |
| 5962-8670408PX | Unitrode Corporation | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670408PX |
| 5962-8670404PA | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670404PA |
| 5962-8670404PA | TT Electronics Resistors | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs 5962-8670404PA |
| UC1845JQMLV | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 | UC1845J vs UC1845JQMLV |
Part Details for UC1845J by Texas Instruments
Results Overview of UC1845J by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
UC1845J Information
UC1845J by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for UC1845J
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Bristol Electronics | Current Mode PWM Controller 200mA 500kHz 8-Pin CDIP Tube | 5 |
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RFQ | |
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Quest Components | SWITCHING CONTROLLER, CURRENT-MODE, 1A, 500KHZ SWITCHING FREQ-MAX, BICMOS, CDIP8 | 9 |
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$15.3000 / $17.2125 | Buy Now |
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New Advantage Corporation | SWITCHING CONTROLLER RoHS: Compliant Min Qty: 1 Package Multiple: 1 | 100 |
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$11.9900 | Buy Now |
US Tariff Estimator: UC1845J by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
UC1845J CAD Models
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UC1845J Part Data Attributes
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UC1845J
Texas Instruments
Buy Now
Datasheet
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UC1845J
Texas Instruments
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CDIP8
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Not Recommended | |
| Part Package Code | DIP | |
| Package Description | Cdip-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 8.2 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-GDIP-T8 | |
| JESD-609 Code | e0 | |
| Length | 9.58 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Current-Max | 1 A | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | Ceramic, Glass-Sealed | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 Mm | |
| Supply Current-Max (Isup) | 25 Ma | |
| Supply Voltage-Max (Vsup) | 30 V | |
| Supply Voltage-Min (Vsup) | 12 V | |
| Surface Mount | No | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 500 Khz | |
| Technology | Bicmos | |
| Temperature Grade | Military | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for UC1845J
This table gives cross-reference parts and alternative options found for UC1845J. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of UC1845J, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
UC1845J Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the UC1845J is 15V to 40V, although it can operate up to 45V with reduced performance.
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To ensure stable operation, ensure that the input voltage is well-regulated, decouple the power supply with a 10uF capacitor, and use a low-ESR output capacitor. Also, follow the recommended PCB layout guidelines.
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The UC1845J can deliver up to 4A of output current, but this is dependent on the input voltage, output voltage, and thermal considerations.
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The output voltage of the UC1845J can be adjusted by changing the ratio of the resistors in the feedback network. A higher ratio will result in a higher output voltage, and vice versa.
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The soft-start pin allows the output voltage to ramp up slowly during startup, reducing inrush currents and electromagnetic interference (EMI).