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Part Details for UC2843BD1G by onsemi
Results Overview of UC2843BD1G by onsemi
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (2 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- 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.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
UC2843BD1G Information
UC2843BD1G by onsemi 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 UC2843BD1G
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
UC2843BD1GOS-ND
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DigiKey | IC REG CTRLR FLYBACK 8SOIC Min Qty: 1 Lead time: 99 Weeks Container: Tube |
4018 In Stock |
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$0.2706 / $1.1500 | Buy Now |
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Rochester Electronics | UC2843A - Current Mode PWM Controller RoHS: Compliant Status: Obsolete Min Qty: 1 | 3 |
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$0.1937 / $0.3124 | Buy Now |
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DISTI #
UC2843BD1G
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TME | IC: PMIC, PWM controller, 1A, 48÷500kHz, Ch: 1, SO8, flyback, 0÷96% Min Qty: 1 | 127 |
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$0.2860 / $0.7570 | Buy Now |
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DISTI #
UC2843BD1G
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Avnet Silica | Current Mode PWM Controller 1A 8Pin SOIC N Rail (Alt: UC2843BD1G) RoHS: Compliant Min Qty: 3234 Package Multiple: 98 Lead time: 143 Weeks, 0 Days | Silica - 0 |
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Buy Now | |
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DISTI #
UC2843BD1G
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EBV Elektronik | Current Mode PWM Controller 1A 8Pin SOIC N Rail (Alt: UC2843BD1G) RoHS: Compliant Min Qty: 98 Package Multiple: 98 Lead time: 143 Weeks, 0 Days | EBV - 294 |
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Buy Now | |
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Vyrian | Other Function Semiconductors | 558 |
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RFQ | |
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Win Source Electronics | IC REG CTRLR FLYBACK 8SOIC | 55970 |
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$0.2215 / $0.2859 | Buy Now |
Part Details for UC2843BD1G
UC2843BD1G CAD Models
UC2843BD1G Part Data Attributes
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UC2843BD1G
onsemi
Buy Now
Datasheet
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Compare Parts:
UC2843BD1G
onsemi
High Performance Current Mode PWM Controller, SOIC-8 Narrow Body, 98-TUBE
Select a part to compare: |
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ONSEMI | |
| Part Package Code | SOIC-8 Narrow Body | |
| Pin Count | 8 | |
| Manufacturer Package Code | 751-07 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 4 Weeks | |
| Samacsys Manufacturer | onsemi | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 25 V | |
| Input Voltage-Min | 12 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e3 | |
| Length | 4.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -25 °C | |
| Output Current-Max | 1 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | OTHER | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
Alternate Parts for UC2843BD1G
This table gives cross-reference parts and alternative options found for UC2843BD1G. 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 UC2843BD1G, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC2843BD1 | onsemi | Check for Price | IC 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8, Switching Regulator or Controller | UC2843BD1G vs UC2843BD1 |
| UC2843BD1R2G | onsemi | $0.2658 | High Performance Current Mode PWM Controller, SOIC-8 Narrow Body, 2500-REEL | UC2843BD1G vs UC2843BD1R2G |
UC2843BD1G Frequently Asked Questions (FAQ)
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The UC2843BD1G is a high-frequency switching regulator, and as such, proper PCB layout and design are crucial for optimal performance. It is recommended to follow the layout guidelines provided in the datasheet, including keeping the power stage components close together, using a solid ground plane, and minimizing loop areas. Additionally, it is recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
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The choice of inductor value and type depends on the specific application requirements, including the input voltage, output voltage, and output current. A good starting point is to use the inductor selection guide provided in the datasheet, which provides a formula to calculate the minimum inductor value based on the output current and switching frequency. Additionally, consider using a shielded inductor to reduce EMI.
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The UC2843BD1G is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design. It is recommended to follow the thermal design guidelines provided in the datasheet and to ensure that the device is properly heat-sinked to maintain a safe junction temperature.
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To ensure stability, it is recommended to follow the compensation network design guidelines provided in the datasheet, including the selection of the compensation capacitor and resistor values. Additionally, it is recommended to use a type III compensation network, which provides a higher phase margin and improved stability.
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The recommended input capacitor type is a low-ESR ceramic capacitor, such as an X5R or X7R dielectric capacitor. The value depends on the input voltage and output current, but a good starting point is a 10uF to 22uF capacitor. It is recommended to follow the input capacitor selection guidelines provided in the datasheet.