UCC28C45DGK Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC28C45DGK is a PWM current-mode controller from Texas Instruments, supporting boost and flyback topologies up to 1MHz with 0.2A gate drive. Features include cycle-by-cycle current limiting and 12V–18V input range in a compact 8-Pin MSOP package. From $0.4699, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC28C45DGK Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4699(MOQ 370)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC28C45DGK?
- PWM current-mode control with cycle-by-cycle current limiting for fast fault response
- Wide input voltage range of 12V to 18V (nominal 15V) supporting diverse power supply designs
- High switching frequency up to 1MHz enabling compact magnetics and reduced filter size
- 0.2A gate drive output suitable for driving boost and flyback converter topologies
- Compact 8-Pin MSOP (VSSOP) package for space-constrained PCB layouts
What is UCC28C45DGK used for?
The UCC28C45DGK is widely used in isolated and non-isolated DC-DC power supplies, including flyback and boost converters for industrial equipment, telecom power systems, and embedded computing. Its high-frequency PWM current-mode control makes it ideal for compact SMPS designs in consumer electronics and automotive auxiliary power modules. The device also suits battery chargers and off-line power adapters requiring tight output regulation.
What are the specifications of UCC28C45DGK?
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN CURRENT MODE |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 12V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 3mA |
| Supply Voltage-Max (Vsup) | 18V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 | 8542.39.00.90 |
Where can I find the UCC28C45DGK datasheet?
UCC28C45DGK Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC28C45DGK?
Compatible alternatives and drop-in replacements for UCC28C45DGK:
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
What is the input voltage range of UCC28C45DGK?
The UCC28C45DGK operates with an input voltage range of 12V minimum to 18V maximum, with a nominal operating voltage of 15V, making it suitable for standard 12V and 15V power rail designs.
What converter topologies does UCC28C45DGK support?
The UCC28C45DGK supports boost and flyback converter topologies using PWM current-mode control. Its cycle-by-cycle current limiting and 0.2A gate drive output make it versatile for both isolated and non-isolated DC-DC power supply designs.
What is the maximum switching frequency of UCC28C45DGK?
The UCC28C45DGK supports switching frequencies up to 1MHz. Operating at higher frequencies allows designers to use smaller magnetic components and output filters, resulting in more compact and cost-effective power supply designs.
What package does UCC28C45DGK come in and is it RoHS compliant?
The UCC28C45DGK comes in an 8-Pin MSOP (VSSOP, S-PDSO-G8) package. It is RoHS compliant as indicated by its JESD-609 Code e4, confirming it meets lead-free environmental standards for modern electronics manufacturing.
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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 |
|---|---|---|
| 370+ | $0.5422 | $200.61 |
| 480+ | $0.5241 | $251.57 |
| 640+ | $0.4699 | $300.74 |
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