UCC28C43D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC28C43D is a current-mode PWM controller supporting boost and flyback topologies. It operates at up to 1MHz with 0.2A gate drive, 12V–18V input range, and pulse-width modulation control. From $0.2895, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC28C43D Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2895(MOQ 525)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with pulse-width modulation for precise regulation and fast transient response
- Supports boost and flyback converter topologies with 0.2A gate drive capability
- High switching frequency up to 1MHz enabling compact magnetics and reduced filter size
- Wide input voltage range of 12V to 18V (nom 15V) for flexible power supply designs
- 8-Pin SOIC (R-PDSO-G8) small outline package for space-constrained applications
Applications
The UCC28C43D is widely used in offline switching power supplies, DC-DC boost converters, and isolated flyback converters for industrial and telecom equipment. Its current-mode control architecture makes it ideal for battery chargers, auxiliary power supplies, and point-of-load regulators. The high-frequency 1MHz operation suits compact adapters and embedded power modules requiring tight regulation.
Specifications
| 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 | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| 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 (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 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC28C43D:
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 operating voltage range of the UCC28C43D?
The UCC28C43D operates with an input voltage range of 12V minimum to 18V maximum, with a nominal input voltage of 15V. This makes it suitable for standard telecom and industrial power supply rails.
What converter topologies does the UCC28C43D support?
The UCC28C43D supports boost and flyback converter topologies using current-mode pulse-width modulation (PWM) control. Its 0.2A gate drive output and 1MHz maximum switching frequency make it versatile for both isolated and non-isolated power supply designs.
What package does the UCC28C43D come in?
The UCC28C43D is available in an 8-Pin SOIC package (JESD-30 code R-PDSO-G8), a compact small outline package widely used in space-constrained PCB designs for power management applications.
What are common applications for the UCC28C43D?
Common applications include offline switching power supplies, DC-DC boost converters, isolated flyback converters, battery chargers, auxiliary power supplies for telecom equipment, and point-of-load regulators in industrial systems.
Related Guides
DP83848 10/100 Mbps Ethernet PHY Transceiver: How to Choose the Right Variant
A complete selection guide for the DP83848 family: compare temperature grades, packages, JTAG support, and interface options across all five variants.
Jun 2, 2026
LM5156 Wide-VIN Boost/SEPIC/Flyback Controller: How to Choose the Right Variant
A concise selection guide for the LM5156 and LM51561 family: how to choose between automotive vs industrial grade, spread-spectrum vs fixed-frequency, and WSON-8 vs HTSSOP-14 package.
Jun 2, 2026
24LC01B I2C EEPROM Design Guide: Pinout, Write Timing, and Package Selection
Complete application note for the Microchip 24LC01B 1 Kbit I2C EEPROM: address wiring, pull-up sizing, acknowledge polling, page-write alignment, and package selection.
Jun 1, 2026
AD8531ARTZ-REEL7 Application Note: High-Current Op-Amp Design Guide
A complete design guide for the AD8531ARTZ-REEL7 250 mA rail-to-rail op-amp: decoupling, thermal budgeting, capacitive load stability, and PCB layout best practices.
Jun 1, 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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 525+ | $1.0713 | $562.44 |
| 640+ | $0.3130 | $200.32 |
| 830+ | $0.3013 | $250.08 |
| 1040+ | $0.2895 | $301.08 |
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.”