Part Details for UC2842ADW by Texas Instruments
Results Overview of UC2842ADW by Texas Instruments
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (8 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.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
UC2842ADW Information
UC2842ADW 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| UC2842ADWTR | Texas Instruments | Current Mode PWM Controller 16-SOIC -40 to 85 | |
| UC2842ADW | Texas Instruments | Current Mode PWM Controller 16-SOIC -40 to 85 |
Price & Stock for UC2842ADW
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-UC2842ADW-ND
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DigiKey | IC PWM BOOST FLYBACK CM 16SOIC Min Qty: 1 Lead time: 12 Weeks Container: Tube |
292 In Stock |
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$1.0755 / $2.1500 | Buy Now |
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DISTI #
595-UC2842ADW
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Mouser Electronics | Switching Controllers Current-Mode PWM Con troller A 595-UC284 A 595-UC2842ADWTR RoHS: Compliant | 287 |
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$0.8960 / $1.8300 | Buy Now |
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DISTI #
86041026
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Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 1101 | Americas - 8680 |
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$0.8448 / $1.3625 | Buy Now |
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DISTI #
86049816
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Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 0401 | Americas - 2383 |
|
$0.8448 / $1.3625 | Buy Now |
|
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Rochester Electronics | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 RoHS: Compliant Status: Active Min Qty: 1 | 11503 |
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$0.6758 / $1.0900 | Buy Now |
|
DISTI #
86041026
|
Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 1101 | Americas - 8680 |
|
$0.8448 / $1.3625 | Buy Now |
|
DISTI #
86049816
|
Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 0401 | Americas - 2383 |
|
$0.8448 / $1.3625 | Buy Now |
|
DISTI #
86041026
|
Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 1101 | Americas - 8680 |
|
$0.8448 / $1.3625 | Buy Now |
|
DISTI #
86049816
|
Verical | Current Mode PWM Controller -0.1V to 11V 1A 500kHz 16-Pin SOIC Tube RoHS: Compliant Min Qty: 276 Package Multiple: 1 Date Code: 0401 | Americas - 2383 |
|
$0.8448 / $1.3625 | Buy Now |
US Tariff Estimator: UC2842ADW 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.
Part Details for UC2842ADW
UC2842ADW CAD Models
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UC2842ADW Part Data Attributes
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UC2842ADW
Texas Instruments
Buy Now
Datasheet
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UC2842ADW
Texas Instruments
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| 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 | 28 V | |
| Input Voltage-Min | 11 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e4 | |
| Length | 10.3 Mm | |
| Moisture Sensitivity Level | 2 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| 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 | SOP16,.4 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.65 Mm | |
| 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 | 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 | 7.5 Mm |
Alternate Parts for UC2842ADW
This table gives cross-reference parts and alternative options found for UC2842ADW. 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 UC2842ADW, 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 |
|---|---|---|---|---|
| UC2845ADW | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2845ADW |
| TL3845BPE4 | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8 | UC2842ADW vs TL3845BPE4 |
| UC2842ADW | Rochester Electronics LLC | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, SOIC-16 | UC2842ADW vs UC2842ADW |
| UC2842DWG4 | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2842DWG4 |
| UC2845ADWTR | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2845ADWTR |
| UC2842ADWTR | Unitrode Corporation | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2842ADWTR |
| UC2842ADWTR | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2842ADWTR |
| UC2842DW | Texas Instruments | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16 | UC2842ADW vs UC2842DW |
UC2842ADW Frequently Asked Questions (FAQ)
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The UC2842ADW is a high-frequency switching converter, so a good PCB layout is crucial. TI recommends a 4-layer PCB with a solid ground plane, and to keep the switching node (pins 3 and 4) as short as possible. Also, decouple the input and output capacitors close to the IC, and use a common ground point for the input and output returns.
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The inductor value depends on the output voltage, current, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet. For the inductor type, choose a low-loss, high-frequency inductor with a high saturation current rating, such as a ferrite or iron powder core inductor.
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The maximum duty cycle for the UC2842ADW is 90%. Exceeding this limit can cause the output voltage to rise above the specified maximum value, potentially damaging the IC or other components. To ensure a stable output voltage, keep the duty cycle below 90% and adjust the output voltage accordingly.
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The UC2842ADW requires a type-II compensation network to stabilize the voltage feedback loop. TI recommends using a series R-C network (R1, C1) and a parallel R-C network (R2, C2) to compensate the feedback loop. The values of these components depend on the specific application and can be calculated using the datasheet's compensation design equations.
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The UC2842ADW has a maximum junction temperature of 150°C. To ensure reliable operation, keep the IC's thermal pad connected to a solid ground plane, and use a heat sink or thermal interface material if necessary. Also, follow the recommended PCB layout and thermal design guidelines to minimize thermal resistance and ensure efficient heat dissipation.