UC28025DWRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments UC28025DWRG4 is a voltage-mode PWM controller with 1.5A gate drive capability in a 16-pin SOIC package, operating from 9V to 30V input. Supports peak and average current mode configurations for flexible power supply topologies. Available in tape-and-reel with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UC28025DWRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Voltage-mode PWM controller configurable in peak or average current mode, offering design flexibility for multiple power converter topologies
- 1.5A gate drive output capability driving external power MOSFETs in buck, boost, or flyback SMPS designs from 9V to 30V input
- 16-pin SOIC (PDSO-G16) package with tape-and-reel packaging enabling automated SMT assembly in production power supply designs
Applications
The UC28025DWRG4 is used in switched-mode power supply designs including flyback converters, forward converters, and push-pull topologies operating from 9V to 30V input rails. Its configurable voltage-mode or current-mode PWM control suits telecom power supplies, industrial DC-DC converters, and motor drive pre-regulators requiring precise duty cycle control. This controller is also applicable in UPS systems and battery chargers where regulated output voltage and current-mode protection are critical.
Specifications
| YTEOL | 0 |
| Additional Feature | CAN ALSO BE CONFIGURED IN PEAK CURRENT OR AVERAGE CURRENT MODE |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 9V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 35mA |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1000kHz |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| 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 UC28025DWRG4:
Switching Controller, Current/voltage-mode, 2A, 1000kHz Switching Freq-Max, BIPolar, PDSO16
Frequently Asked Questions
What is the input voltage range and gate drive current of the Texas Instruments UC28025DWRG4?
The UC28025DWRG4 operates from 9V to 30V input with a nominal 15V supply, and provides up to 1.5A of gate drive current. This combination allows it to directly drive external power MOSFETs in SMPS topologies including flyback, forward, and push-pull converters without additional gate driver stages.
Can the UC28025DWRG4 be configured for current-mode control in addition to voltage-mode operation?
Yes, the UC28025DWRG4 can be configured in peak current mode or average current mode control in addition to standard voltage-mode PWM control. This flexibility allows designers to implement multiple control strategies in a single 16-pin SOIC device, adapting the controller to various SMPS protection and regulation requirements.
Which power conversion applications benefit most from the UC28025DWRG4 in SOIC-16 packaging?
The UC28025DWRG4 in its 16-pin SOIC package suits telecom rectifiers, industrial DC-DC converters, and UPS precharge circuits where 9V to 30V input, 1.5A gate drive strength, and PWM control precision are needed. Its compact SOIC-16 footprint and tape-and-reel format simplify high-volume automated PCB 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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