UC3875DWPG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UC3875DWPG4 is a resonant PWM controller IC from Texas Instruments featuring current/voltage-mode control, 11V-20V supply range, and 1MHz switching frequency in a SOIC-28 package. From $9.38, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- UC3875DWPG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.3775(MOQ 60)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC3875DWPG4?
- Resonant and PWM control modes: supports both resonant control and PWM techniques, including current-mode operation for flexible topology design
- Wide supply voltage range: operates from 11V to 20V with 12V nominal, suited for industrial and telecom power supplies
- High-frequency operation up to 1MHz: enables compact transformer and filter designs for high power density applications
- 500mA gate drive output at 5.08V: delivers robust gate drive capability for driving external MOSFETs directly
- SOIC-28 package: industry-standard footprint simplifying PCB layout and easing sourcing from multiple distributors
What is UC3875DWPG4 used for?
The UC3875DWPG4 is widely used in high-efficiency resonant power converters such as LLC and series-resonant DC-DC converters for server and telecom power supplies. It also suits industrial power systems requiring precise current or voltage-mode PWM control with low switching losses. Its high-frequency capability makes it ideal for compact adapters and on-board power modules demanding tight regulation and high power density.
What are the specifications of UC3875DWPG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | CAN ALSO BE CONFIGURED IN CURRENT MODE; PWM CONTROL TECHNIQUE ALSO POSSIBLE |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT/VOLTAGE-MODE |
| Control Technique | RESONANT CONTROL |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 11V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 5.08V |
| Output Voltage-Min | 4.92V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 30mA |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1000kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 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 |
Where can I find the UC3875DWPG4 datasheet?
UC3875DWPG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC3875DWPG4?
Compatible alternatives and drop-in replacements for UC3875DWPG4:
Switching Controller, Current/voltage-mode, 3A, 1000kHz Switching Freq-Max, BIPolar, PDSO28
Switching Controller, Voltage-mode, 3A, 1000kHz Switching Freq-Max, BIPolar, PDSO28
Switching Controller, Current/voltage-mode, 3A, 1000kHz Switching Freq-Max, BIPolar, PDSO28
Frequently Asked Questions
What is the supply voltage range of the UC3875DWPG4?
The UC3875DWPG4 operates with a supply voltage range of 11V to 20V, with a nominal input voltage of 12V. This makes it well-suited for standard 12V bus architectures commonly found in server, telecom, and industrial power conversion systems.
What control modes does the UC3875DWPG4 support?
The UC3875DWPG4 supports resonant control as its primary technique, and can also be configured for PWM control including current-mode operation. This flexibility allows designers to implement LLC resonant converters or traditional current-mode PWM topologies using the same device.
What package does the UC3875DWPG4 use and what are its key dimensions?
The UC3875DWPG4 comes in a SOIC-28 (Small Outline Integrated Circuit, 28-pin) package. This wide-body surface-mount package is RoHS compliant (Pb-free) and widely supported by PCB assembly processes, making it easy to source and integrate into high-density power supply designs.
What are typical applications for the UC3875DWPG4?
Typical applications include LLC resonant DC-DC converters, series-resonant power supplies, telecom rectifiers, server power modules, and industrial SMPS designs. Its 1MHz switching frequency and robust 500mA gate drive output make it suitable for high power density and high-efficiency converter topologies.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 60+ | $9.3775 | $562.65 |
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