UC1854J883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1854J883B is a Power Factor Correction Preregulator IC operating at 118kHz with 15V to 30V input voltage range in a 16-Pin CDIP package. It features current-mode control with pulse width modulation for high-efficiency AC-DC power conversion. Available from authorized distributors worldwide with competitive pricing and reliable stock.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1854J883B 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 control with pulse width modulation for precise power factor correction up to unity
- Wide input voltage range of 15V to 30V (nominal 18V) suitable for diverse power supply designs
- High switching frequency of 118kHz enabling compact magnetics and reduced filter size
- Military-grade 16-Pin Ceramic DIP (CDIP) package rated for extended temperature and reliability requirements
Applications
The UC1854J883B is designed for AC-DC power supplies requiring active power factor correction in industrial and military-grade equipment. It is commonly used in offline switching power supplies, motor drive front ends, and high-reliability telecom power systems where compliance with power factor regulations is mandatory. The device excels in applications demanding robust operation across wide input voltage ranges with high switching efficiency.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | POWER FACTOR CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 15V |
| Input Voltage-Nom | 18V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.5A |
| Output Voltage-Max | 7.6V |
| Output Voltage-Min | 7.4V |
| Output Voltage-Nom | 7.5V |
| 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) | 10mA |
| Supply Voltage-Max (Vsup) | 30V |
| Supply Voltage-Nom (Vsup) | 18V |
| Surface Mount | NO |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 200kHz |
| Technology | BIPOLAR |
| 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 UC1854J883B:
Power Factor Controller, Current-mode, 1.5A, 200kHz Switching Freq-Max, CDIP16
Power Factor Controller, Current-mode, 1.5A, 200kHz Switching Freq-Max, BIPolar, CDIP16
Frequently Asked Questions
What is the switching frequency of the UC1854J883B?
The UC1854J883B operates at a fixed switching frequency of 118kHz, which allows designers to use smaller passive components such as inductors and capacitors while maintaining efficient power factor correction performance.
What input voltage range does the UC1854J883B support?
The UC1854J883B supports an input voltage range of 15V to 30V with a nominal operating voltage of 18V, making it suitable for a variety of industrial and mil-spec power supply architectures.
What control method does the UC1854J883B use for power factor correction?
The UC1854J883B employs current-mode control combined with pulse width modulation (PWM), enabling precise regulation of the input current waveform to closely follow the AC line voltage and achieve near-unity power factor.
What package type is the UC1854J883B available in?
The UC1854J883B is available in a 16-Pin Ceramic Dual-In-Line Package (CDIP), which provides excellent thermal performance and mechanical durability for military and high-reliability industrial applications.
What are typical applications for the UC1854J883B?
Typical applications include active power factor correction stages in offline AC-DC power supplies, telecom power systems, motor drive front-end converters, and mil-spec power conditioning equipment where high reliability and regulatory compliance are essential.
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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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