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Part Details for UC2853D by Texas Instruments
Results Overview of UC2853D by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (3 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
Energy and Power Systems
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Renewable Energy
Automotive
UC2853D Information
UC2853D 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 UC2853D
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-34723-5-ND
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DigiKey | IC PFC CTR AVER CURR 94KHZ 8SOIC Min Qty: 1 Lead time: 12 Weeks Container: Tube |
458 In Stock |
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$2.6914 / $4.8600 | Buy Now |
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DISTI #
595-UC2853D
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Mouser Electronics | Power Factor Correction - PFC High Power-Factor Pr eregulator A 595-UC2853DTR RoHS: Compliant | 123 |
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$2.6700 / $4.8600 | Buy Now |
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DISTI #
UC2853D
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TME | IC: PMIC, PFC controller, SO8, -25÷85°C, 11.5÷40V, tube, SMPS Min Qty: 1 | 0 |
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$2.8700 / $4.0100 | RFQ |
Part Details for UC2853D
UC2853D CAD Models
UC2853D Part Data Attributes
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UC2853D
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
UC2853D
Texas Instruments
75kHz bipolar continuous conduction mode (CCM) PFC controller, -25°C to 85°C 8-SOIC -25 to 85
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Package Description | PLASTIC, SOIC-8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Analog IC - Other Type | POWER FACTOR CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 11.2 V | |
| Input Voltage-Nom | 16 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.89 mm | |
| Moisture Sensitivity Level | 2 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -25 °C | |
| Output Current-Max | 0.5 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 | |
| Supply Current-Max (Isup) | 10 mA | |
| Supply Voltage-Max (Vsup) | 40 V | |
| Surface Mount | YES | |
| Switcher Configuration | BOOST | |
| Switching Frequency-Max | 115 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | OTHER | |
| 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 UC2853D
This table gives cross-reference parts and alternative options found for UC2853D. 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 UC2853D, 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 |
|---|---|---|---|---|
| UC2853DTR | Unitrode Corporation | Check for Price | Power Factor Controller Current-mode 0.5A 125kHz Switching Freq-Max BIPolar PDSO8 | UC2853D vs UC2853DTR |
| UC2853DTRG4 | Texas Instruments | Check for Price | 0.5A POWER FACTOR CONTROLLER, 94kHz SWITCHING FREQ-MAX, PDSO8, GREEN, SOIC-8 | UC2853D vs UC2853DTRG4 |
| UC2853D | Unitrode Corporation | Check for Price | Power Factor Controller Current-mode 0.5A 125kHz Switching Freq-Max BIPolar PDSO8 | UC2853D vs UC2853D |
UC2853D Frequently Asked Questions (FAQ)
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The UC2853D is a high-frequency switching regulator, and proper PCB layout is crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the use of vias to connect the top and bottom layers. The input and output capacitors should be placed close to the IC, and the feedback network should be routed away from the switching node. A detailed layout guide is available in the TI application note SLUA121.
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The UC2853D requires a compensation network to ensure stability. The recommended compensation network consists of a series R-C network (R3-C3) connected between the COMP pin and the FB pin. The values of R3 and C3 depend on the output voltage and the desired crossover frequency. TI provides a compensation calculator tool to help designers determine the optimal values for their specific application.
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The UC2853D has an absolute maximum input voltage rating of 18V. However, the recommended maximum input voltage is 15V to ensure reliable operation and to prevent damage to the internal components. Exceeding the recommended input voltage may result in reduced performance, increased power dissipation, or even damage to the IC.
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Yes, the UC2853D can be used in a synchronous rectification configuration to improve efficiency. However, this requires additional external components, including a synchronous rectifier FET and a Schottky diode. TI provides a reference design and application notes to help designers implement synchronous rectification with the UC2853D.
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The UC2853D has built-in overcurrent protection (OCP) and overvoltage protection (OVP) features. The OCP threshold is set by the RSENSE resistor, and the OVP threshold is set by the VCC voltage. Additionally, designers can add external protection components, such as fuses or TVS diodes, to provide additional protection against fault conditions.