UCC28051DR
Power Factor Correction Controller 200kHz 8-Pin SOIC T/R
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Part Number : UCC28051DR
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Package/Case : 8-SOIC
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Brands : TI
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Components Categories : PFC (Power Factor Correction)
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Datesheet : UCC28051DR DataSheet (PDF)
Overview of UCC28051DR
The UCC38050 and UCC38051 are PFC controllers for low-to-medium power applications requiring compliance with IEC 1000-3-2 harmonic reduction standard. The controllers are designed for a boost preregulator operating in transition mode (also referred to as boundary-conduction mode or critical conduction-mode operation). They feature a transconductance voltage amplifier for feedback error processing, a simple multiplier for generating a current command proportional to the input voltage, a current-sense (PWM) comparator, PWM logic, and a totem-pole driver for driving an external FET.
In the transition mode operation, the PWM circuit is self-oscillating, with the turnon being governed by an inductor zero-current detector (ZCD pin), and the turnoff being governed by the current-sense comparator. Additionally, the controller provides features such as peak current limit, default timer, overvoltage protection (OVP) and enable.
Key Features
- Transition Mode PFC Controller for Low Implementation Cost
- Industry Pin Compatibility With Improved Feature Set
- Improved Transient Response With Slew-Rate Comparator
- Zero Power Detect to Prevent Overvoltage Protection (OVP) During Light Load Conditions
- Accurate Internal VREF for Tight Output Regulation
- Two UVLO Options
- OVP, Open-Feedback Protection, and Enable Circuits
- ±750-mA Peak Gate Drive Current
- Low Start-Up and Operating Currents
- Lead (Pb)-Free Packages
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Source Content uid | UCC28051DR | Pbfree Code | Yes |
Rohs Code | Yes | Part Life Cycle Code | Active |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | Part Package Code | SOIC |
Package Description | SOP, SOP8,.25 | Pin Count | 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 | 18 V |
Input Voltage-Min | 10 V | Input Voltage-Nom | 12 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 | 105 °C | Operating Temperature-Min | -40 °C |
Output Current-Max | 0.75 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) | 4 mA |
Supply Voltage-Max (Vsup) | 18 V | Surface Mount | YES |
Switcher Configuration | BOOST | Switching Frequency-Max | 200 kHz |
Technology | BICMOS | 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) | NOT SPECIFIED | Width | 3.9 mm |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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