UCC2583DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC2583DG4 is a current-mode PWM secondary-side controller from Texas Instruments designed for post-regulation in isolated power supplies with an 8.9V to 14V input range. It provides precise pulse-width modulation control for secondary-side regulation in a 14-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- UCC2583DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC2583DG4?
- Current-mode PWM control enables inherent cycle-by-cycle current limiting for robust short-circuit protection in isolated supplies
- Secondary-side post-regulator architecture improves output regulation accuracy without optocoupler loop bandwidth limitations
- 8.9V to 14V input voltage range optimized for 12V auxiliary rail applications in telecom and industrial power systems
- 14-pin SOIC package offers compact surface-mount footprint with easy thermal management for power electronics boards
What is UCC2583DG4 used for?
The UCC2583DG4 is used as a secondary-side PWM post-regulator in isolated DC-DC converters and switching power supplies for telecom equipment, servers, and industrial power systems. Its current-mode control architecture provides fast transient response and accurate output voltage regulation for auxiliary and logic supply rails. The device is well suited for multi-output flyback and forward converters where precise secondary regulation improves overall system efficiency and load regulation performance.
What are the specifications of UCC2583DG4?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 14V |
| Input Voltage-Min | 8.9V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1.8A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 5mA |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 500kHz |
| Technology | BICMOS |
| 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 |
Where can I find the UCC2583DG4 datasheet?
UCC2583DG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC2583DG4?
Compatible alternatives and drop-in replacements for UCC2583DG4:
Switching Controller, Current-mode, 1.8A, 500kHz Switching Freq-Max, BICMOS, PDSO14
Frequently Asked Questions
What control mode does the UCC2583DG4 use?
The UCC2583DG4 uses current-mode pulse width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting and faster transient response compared to voltage-mode control. Current-mode control also simplifies compensation network design and improves power supply stability across a wide load range.
What is the input voltage range for the UCC2583DG4?
The UCC2583DG4 operates from an input voltage range of 8.9V minimum to 14V maximum, with a nominal input voltage of 12V. This range is optimized for 12V auxiliary bus applications commonly found in telecom rectifiers, server power supplies, and industrial switching converters.
What package is the UCC2583DG4 available in?
The UCC2583DG4 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) surface-mount package (JESD-30 code R-PDSO-G14). The SOIC package is widely supported by automated PCB assembly equipment and is suitable for high-volume production of power supply boards.
What is the primary application of the UCC2583DG4?
The UCC2583DG4 is designed primarily as a secondary-side PWM post-regulator for isolated power supplies, enabling precise output voltage regulation on the secondary side of flyback and forward converter topologies. This eliminates the need for optocoupler-based feedback in some configurations, simplifying the control loop.
Is the UCC2583DG4 suitable for telecom power applications?
Yes, the UCC2583DG4 is well suited for telecom power applications due to its 12V nominal input range and robust current-mode PWM control. It is commonly used in 48V to 12V brick converters and distributed power architectures where secondary post-regulation is required for multiple output rails.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit