UCC1803J883B Texas Instruments (DIP) In Stock
UCC1803J883B is a current-mode PWM switching controller by Texas Instruments with 4V to 12V input range. Key specs: 10V nominal input, MIL-883B ceramic DIP-8 package, 15-year estimated EOL. From $1, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- UCC1803J883B Datasheet PDF
- 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 with 4V to 12V input range for precise duty-cycle regulation in isolated and non-isolated topologies
- MIL-883B qualified ceramic DIP-8 package ensures high reliability for military and aerospace power conversion designs
- 10V nominal input and JESD-30 R-GDIP-T8 hermetic package meet stringent environmental and screening requirements
- 15-year estimated EOL provides long-term procurement confidence for defense and space program designs
Applications
UCC1803J883B is designed for military-grade and high-reliability switching power supplies where MIL-883B screening is mandated, such as avionics DC-DC converters, spacecraft power regulators, and defense electronics power modules. Its current-mode PWM architecture supports flyback, forward, and push-pull topologies operating from 4V to 12V input buses. The hermetic ceramic DIP-8 package withstands extreme temperature and humidity environments found in ground-based military systems and airborne platforms.
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 |
| Screening Level | MIL-STD-883 Class B |
| 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 |
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 input voltage range does UCC1803J883B support for PWM power converter designs?
UCC1803J883B operates with input voltages from 4V minimum to 12V maximum, with 10V as the nominal design point. This 4V to 12V range accommodates a variety of regulated bus voltages common in military DC power distribution systems, including 5V logic buses and 10V-12V intermediate bus architectures.
What does the MIL-883B designation mean for UCC1803J883B and when is it required?
The MIL-883B suffix indicates the device has been tested and screened to MIL-STD-883 methods, covering electrical parameters, mechanical stress, temperature cycling from -55°C to +125°C, and hermeticity requirements. This screening level is required by defense contracts and aerospace programs that mandate qualified component lists (QCL) and cannot use commercial-grade equivalents.
How does the current-mode control in UCC1803J883B benefit isolated DC-DC converter topologies?
Current-mode PWM control in UCC1803J883B senses peak inductor or primary-switch current each cycle, enabling inherent cycle-by-cycle current limiting, natural current sharing in parallel converters, and simpler control loop compensation compared to voltage-mode. For isolated topologies like flyback and forward converters operating at 4V to 12V input, this reduces transformer saturation risk and improves transient response.
Is UCC1803J883B a drop-in replacement for other UC1803-family devices in commercial packages?
UCC1803J883B shares core current-mode PWM functionality with commercial UC1803 variants but uses a hermetic ceramic DIP-8 package with MIL-883B screening, versus the plastic packages used on commercial UCC2803 or UCC3803 parts. Pin assignments are compatible across the UC1803 family, so a layout designed for the 8-pin DIP commercial version can accept UCC1803J883B without PCB changes, provided the hermetic package height and lead spacing are accounted for.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 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.
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.”