UCC38503DWTRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC38503DWTRG4 is a BiCMOS power factor correction and PWM controller IC from Texas Instruments supporting current-mode, voltage-mode, and programmable PFC operation. It operates from a 10.3 V to 15 V input supply in a 20-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- UCC38503DWTRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated PFC and PWM controller in a single IC, reducing component count and BOM cost for AC-DC power supplies
- Programmable current-mode, voltage-mode, and power factor control modes offering flexible topology support
- Input voltage range of 10.3 V to 15 V with 12 V nominal operation, compatible with standard auxiliary supply rails
- 20-pin SOIC package with BiCMOS process for high-speed switching and low quiescent current in demanding power designs
Applications
The UCC38503DWTRG4 is designed for AC-DC offline power supplies requiring power factor correction, including industrial power converters, server and telecom power systems, and high-efficiency SMPS designs. Its dual PFC and PWM control capability makes it ideal for two-stage converter architectures in lighting ballasts, motor drive inverters, and UPS systems. The programmable control modes also support energy-efficient designs compliant with IEC 61000-3-2 harmonic current regulations.
Specifications
| YTEOL | 0 |
| Additional Feature | CAN ALSO BE PROGRAMMED FOR CURRENT MODE AND VOLTAGE MODE |
| Analog IC - Other Type | POWER FACTOR CONTROLLER WITH POST REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 10.3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 6mA |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 120kHz |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC38503DWTRG4:
Rochester Electronics LLC 1.2A POWER FACTOR CONTROLLER WITH POST REGULATOR, 120kHz SWITCHING FREQ-MAX, PDSO20, GREEN, PLASTIC, SOIC-20
Power Factor Controller With Post Regulator, Current-mode, 1.2A, 120kHz Switching Freq-Max, BICMOS, PDSO20
Frequently Asked Questions
What control modes does the UCC38503DWTRG4 support?
The UCC38503DWTRG4 supports current-mode, voltage-mode, and power factor correction (PFC) control modes. It can be programmed for average current-mode PFC as well as post-regulator PWM operation, making it versatile for two-stage AC-DC converter designs requiring active power factor correction.
What is the input voltage range of the UCC38503DWTRG4?
The UCC38503DWTRG4 operates from a supply voltage range of 10.3 V minimum to 15 V maximum, with a nominal operating voltage of 12 V. This range is compatible with standard auxiliary bias supplies used in offline power supplies and industrial converter designs.
What package does the UCC38503DWTRG4 come in?
The UCC38503DWTRG4 is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package, designated as R-PDSO-G20 per JESD-30 coding. The wide-body SOIC-20 package provides sufficient pin spacing for layout-sensitive power supply designs and facilitates automated PCB assembly.
What applications is the UCC38503DWTRG4 suitable for?
Typical applications include two-stage offline AC-DC power supplies, server and telecom rectifiers, industrial SMPS, electronic lighting ballasts, and UPS systems. Its integrated PFC and PWM functions eliminate the need for separate controllers, simplifying the design of power converters compliant with global power factor and harmonic regulations.
Is the UCC38503DWTRG4 RoHS compliant?
Yes, the UCC38503DWTRG4 is manufactured with a JESD-609 code of e4, indicating it is lead-free and RoHS compliant. The tape-and-reel suffix (TRG4) confirms it is supplied in a tape-and-reel packaging format suitable for automated high-volume SMT assembly.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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