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Part Details for UC2843AD8G4 by Texas Instruments
Results Overview of UC2843AD8G4 by Texas Instruments
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (4 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
UC2843AD8G4 Information
UC2843AD8G4 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 UC2843AD8G4
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
595-UC2843AD8G4
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Mouser Electronics | Switching Controllers Current-Mode PWM Con troller ALT 595-UC2843AD8 RoHS: Compliant | 713 |
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$0.5850 / $2.2700 | Buy Now |
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DISTI #
UC2843AD8G4
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TME | IC: PMIC, PWM controller, 1A, 47÷500kHz, Ch: 1, SO8, 8.4÷30V, 0÷96% Min Qty: 1 | 813 |
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$0.5390 / $0.8960 | Buy Now |
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Velocity Electronics | Our Stock | 147 |
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RFQ | |
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Vyrian | Other Function Semiconductors | 292 |
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RFQ | |
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Win Source Electronics | IC REG CTRLR MULT TOPOLOGY 8SOIC | 18210 |
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$0.2310 / $0.2983 | Buy Now |
Part Details for UC2843AD8G4
UC2843AD8G4 CAD Models
UC2843AD8G4 Part Data Attributes
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UC2843AD8G4
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
UC2843AD8G4
Texas Instruments
30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-SOIC -40 to 85
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | GREEN, PLASTIC, SOIC-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 28 V | |
| Input Voltage-Min | 8.2 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 1 A | |
| Output Voltage-Max | 5.05 V | |
| Output Voltage-Min | 4.95 V | |
| Output Voltage-Nom | 5 V | |
| 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 | |
| Supply Current-Max (Isup) | 25 mA | |
| Supply Voltage-Max (Vsup) | 28 V | |
| Supply Voltage-Min (Vsup) | 8.4 V | |
| Supply Voltage-Nom (Vsup) | 11 V | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| 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 UC2843AD8G4
This table gives cross-reference parts and alternative options found for UC2843AD8G4. 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 UC2843AD8G4, 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 |
|---|---|---|---|---|
| UC2843AD8 | Texas Instruments | $0.5535 | 30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-SOIC -40 to 85 | UC2843AD8G4 vs UC2843AD8 |
| SG2843DM-TR | Microchip Technology Inc | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 | UC2843AD8G4 vs SG2843DM-TR |
| SG2843DM | Microchip Technology Inc | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 | UC2843AD8G4 vs SG2843DM |
| UC2843AD8TR | Texas Instruments | Check for Price | 30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 40°C to 85°C 8-SOIC -40 to 85 | UC2843AD8G4 vs UC2843AD8TR |
UC2843AD8G4 Frequently Asked Questions (FAQ)
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The UC2843AD8G4 is a high-frequency switching regulator, and as such, it requires careful PCB design and layout to minimize noise, EMI, and parasitic inductance. TI recommends using a 4-layer PCB with a solid ground plane, separating the high-current paths from the low-current paths, and using short, wide traces for the power lines. Additionally, it's essential to follow the recommended component placement and orientation to minimize noise coupling.
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Choosing the right inductor for the UC2843AD8G4 involves considering factors such as inductance value, saturation current, and core material. TI recommends using an inductor with an inductance value between 1.5 μH and 3.3 μH, and a saturation current rating that exceeds the peak current of the converter. Additionally, the inductor should have a low DC resistance and be designed for high-frequency operation.
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The UC2843AD8G4 has an absolute maximum input voltage rating of 18 V, but the recommended maximum operating input voltage is 15 V. Exceeding this voltage can cause damage to the device or affect its performance.
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The UC2843AD8G4 requires compensation to ensure stability and prevent oscillations. TI recommends using a Type II compensation network, which consists of a resistor, capacitor, and zero-pin. The values of these components depend on the specific application and can be calculated using TI's compensation calculator or by following the guidelines in the datasheet.
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The UC2843AD8G4 requires an output capacitor with a low ESR (Equivalent Series Resistance) to minimize voltage ripple and ensure stability. TI recommends using an output capacitor with an ESR of less than 0.1 Ω, and a capacitance value that meets the required output voltage ripple specification.