UC1854J Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1854J is a high power factor preregulator IC from Texas Instruments, designed for current-mode PWM control. It supports input voltages from 15V to 30V and comes in a 16-pin ceramic DIP package, enabling efficient power factor correction in industrial power supplies.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1854J 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 for precise power factor correction in industrial applications
- Wide input voltage range of 15V to 30V with 18V nominal for flexible system designs
- 16-pin ceramic DIP package (JEDEC R-GDIP-T16) suited for high-reliability environments
- Integrated power factor controller IC simplifying PFC stage design
Applications
The UC1854J is primarily used in industrial and military-grade power supplies requiring high power factor correction. It suits AC-DC front-end stages in equipment such as server power systems, industrial motor drives, and UPS units. Its ceramic package and wide voltage range make it ideal for harsh-environment and high-reliability applications.
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 |
| 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 |
| 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 UC1854J:
Power Factor Controller, Current-mode, 1.5A, 200kHz Switching Freq-Max, BIPolar, PDIP16
Power Factor Controller, Current-mode, 1.5A, 200kHz Switching Freq-Max, BIPolar, PDIP16
Power Factor Controller, Current-mode, 1.5A, 200kHz Switching Freq-Max, BIPolar, CDIP16
Frequently Asked Questions
What is the input voltage range of the UC1854J?
The UC1854J operates with an input voltage ranging from 15V minimum to 30V maximum, with a nominal voltage of 18V, making it suitable for a wide variety of industrial power supply designs.
What control technique does the UC1854J use?
The UC1854J uses current-mode pulse width modulation (PWM) control technique, which provides inherent cycle-by-cycle current limiting and improved transient response for power factor correction circuits.
What package type is the UC1854J available in?
The UC1854J comes in a 16-pin ceramic dual-in-line package (JEDEC code R-GDIP-T16), which offers high reliability and is suitable for military and industrial temperature range applications.
What are common applications for the UC1854J?
Common applications include AC-DC power supplies with power factor correction, industrial motor drives, uninterruptible power supplies (UPS), and other high-reliability systems requiring efficient PFC stages with input voltages up to 30V.
Is the UC1854J RoHS compliant?
The UC1854J carries a Pb-free code of 'Yes' and JESD-609 code e0, indicating it meets RoHS requirements for restricted hazardous substances in its construction.
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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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