UCC1806J883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
UCC1806J883B is a low-power, dual-output current-mode PWM controller from Texas Instruments, designed for use in switching power supplies operating from an 8 V to 14.5 V input rail at a 12 V nominal bus. The device provides two complementary gate-drive outputs and supports pulse-width modulation with current-mode control for superior line and load regulation. Housed in a hermetically sealed 16-pin ceramic DIP, it meets MIL-883B reliability standards for defense and aerospace applications.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UCC1806J883B 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
- Dual complementary output current-mode PWM controller
- Input voltage range 8 V to 14.5 V with 12 V nominal operation
- Current-mode control loop for fast transient response and inherent cycle-by-cycle current limiting
- Low quiescent power consumption for efficiency-sensitive designs
- 16-pin ceramic DIP (R-GDIP-T16) package rated to MIL-883B
- Long-lifecycle part suitable for mil/aero and high-reliability industrial programs
Applications
UCC1806J883B is used in military and aerospace DC-DC converter designs, including forward converters, half-bridge, and full-bridge topologies that require a reliable current-mode PWM controller operating from a 12 V bus. Its MIL-883B hermetic ceramic package qualification makes it the preferred choice for avionics power supplies, satellite power conditioning units, and ground-based defense equipment where long-term reliability and controlled supply chains are mandatory.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1997-04-01 |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 14.5V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 0.5A |
| Output Voltage-Max | 5.17V |
| Output Voltage-Min | 5.02V |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 Class B |
| Supply Current-Max (Isup) | 1.4mA |
| Supply Voltage-Max (Vsup) | 12V |
| 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
Compatible alternatives and drop-in replacements for UCC1806J883B:
Switching Controller, Current-mode, 0.5A, 1000kHz Switching Freq-Max, BICMOS, PDIP16
Frequently Asked Questions
What input voltage range does UCC1806J883B support and how does that align with 28 V military bus designs?
UCC1806J883B operates from 8 V to 14.5 V with a 12 V nominal input, meaning it is targeted at pre-regulated 12 V intermediate bus converters rather than direct 28 V military bus inputs. In a 28 V MIL-STD-704 system, a front-end pre-regulator or isolation stage steps the bus down to the 12 V range before the UCC1806J883B controller manages the final PWM regulation stage.
How does the current-mode control topology of UCC1806J883B improve converter stability?
Current-mode control in UCC1806J883B uses the inductor peak current as an inner feedback signal, which inherently provides cycle-by-cycle current limiting and simplifies the outer voltage loop compensation. This results in a single-pole transfer function for the voltage loop, faster line transient rejection compared to voltage-mode control, and automatic flux-balance in push-pull or half-bridge topologies operating across the 8 V to 14.5 V input range.
Which certification does UCC1806J883B carry that makes it suitable for defense and aerospace procurement?
UCC1806J883B is screened to MIL-PRF-38535 Class B and packaged in a hermetic 16-pin ceramic DIP (R-GDIP-T16) per MIL-STD-883B test methods, which govern electrical, mechanical, and environmental testing for microcircuits used in defense and space programs. This qualification satisfies the requirements of avionics, satellite, radar, and missile system power supply designs that demand controlled lot traceability and long-term component availability.
Can UCC1806J883B drive the gate of an external power MOSFET directly, or is a gate driver IC required?
UCC1806J883B provides two output drive pins intended for direct connection to small MOSFET gates in low-to-medium power converter stages. For larger gate capacitances above approximately 10 nF or converters switching above several hundred kHz, a dedicated gate driver IC offering 2 A or higher peak gate current is recommended to maintain fast 20–50 ns transitions and minimize switching losses.
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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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