UCC1803J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UCC1803J is an automotive-grade current-mode PWM controller operating at up to 1000kHz with a 4V to 12V input voltage range in a military-grade 8-Pin CDIP package. It features pulse width modulation with current-mode control for precise regulation in high-reliability switching power supplies. Available from authorized distributors worldwide with competitive pricing and ready stock.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- UCC1803J Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control at up to 1MHz switching frequency enables compact, high-efficiency power converter designs
- Wide input voltage range of 4V to 12V (nominal 10V) supports diverse DC-DC converter topologies including flyback and forward converters
- Automotive-qualified with military-grade 8-Pin Ceramic DIP (CDIP) package for exceptional reliability in harsh environments
- 5V reference output and integrated gate drive circuitry simplify power supply design with minimal external components
Applications
The UCC1803J is ideal for high-reliability automotive and military DC-DC converter designs requiring fast switching up to 1MHz and tight current-mode regulation. It is commonly used in isolated flyback and forward converter topologies for avionics, defense electronics, and ruggedized industrial power supplies. The device is also well-suited for telecom power systems and instrumentation requiring stable output voltages across wide input ranges.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 25mA |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Nom (Vsup) | 10V |
| Surface Mount | NO |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What switching frequency does the UCC1803J support?
The UCC1803J supports switching frequencies up to 1000kHz (1MHz), enabling designers to use smaller magnetic components and capacitors, which reduces the overall size and cost of the power converter design.
What is the input voltage range of the UCC1803J?
The UCC1803J operates with an input voltage range of 4V to 12V, with a nominal voltage of 10V, providing flexibility for use in a variety of DC-DC converter designs across automotive and industrial power supply applications.
What control mode does the UCC1803J use?
The UCC1803J uses current-mode pulse width modulation (PWM) control, which provides inherent overcurrent protection, improved transient response, and easier compensation compared to voltage-mode controllers.
What package is the UCC1803J available in?
The UCC1803J is packaged in an 8-Pin Ceramic Dual-In-Line (CDIP) package, which offers superior thermal stability and mechanical robustness for military and high-reliability industrial applications requiring long service life.
What types of power supply topologies are compatible with the UCC1803J?
The UCC1803J is compatible with a wide range of isolated and non-isolated DC-DC converter topologies including flyback, forward, boost, and buck converters, making it a versatile choice for multi-topology power supply designs in automotive and mil-spec environments.
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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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