UC1825AJ Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The UC1825AJ is a current-mode PWM controller with 2A output capability and up to 1000 kHz switching frequency in a 16-pin CDIP package. It supports input voltages from 8.8V to 20V and features pulse-width modulation with configurable current-mode control. From $3.20 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1825AJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $26.0000(MOQ 1)
- 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 1000 kHz switching frequency enables high-efficiency compact power supply designs
- 2A gate drive output capability allows direct driving of large power MOSFETs without additional buffer stages
- Wide input voltage range of 8.8V to 20V with 12V nominal supports diverse power conversion topologies
- Configurable for both voltage-mode and current-mode operation, offering design flexibility for various converter architectures
Applications
The UC1825AJ is primarily used in high-frequency DC-DC power converters including forward converters, flyback converters, and half-bridge topologies in telecommunications power supplies and industrial equipment. Its current-mode control architecture provides inherent cycle-by-cycle current limiting and excellent line transient response, making it well-suited for regulated power supplies in harsh environments. The device is also used in motor drive pre-regulators and distributed power architectures where precise output regulation and fast dynamic response are required.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1999-11-03 |
| YTEOL | 15 |
| Additional Feature | CAN ALSO BE CONFIGURED IN CURRENT MODE |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 8.8V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 2.2A |
| Output Voltage-Max | 5.15V |
| Output Voltage-Min | 5.05V |
| Output Voltage-Nom | 5.1V |
| 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) | 36mA |
| Supply Voltage-Max (Vsup) | 20V |
| Supply Voltage-Min (Vsup) | 9.2V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | NO |
| Switcher Configuration | PUSH-PULL |
| 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 | 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 UC1825AJ:
Switching Controller, Current/voltage-mode, 2.2A, 1000kHz Switching Freq-Max, BICMOS, PDIP16
Frequently Asked Questions
What switching frequency does the UC1825AJ support?
The UC1825AJ supports switching frequencies up to 1000 kHz (1 MHz), enabling the design of compact, high-frequency power converters with small magnetic components and capacitors, which reduces the overall size and cost of the power supply.
What control mode does the UC1825AJ use?
The UC1825AJ uses current-mode pulse-width modulation (PWM) control, which provides inherent cycle-by-cycle peak current limiting, improved line regulation, and simplified loop compensation compared to voltage-mode control. It can also be configured for voltage-mode operation.
What is the input voltage range for the UC1825AJ?
The UC1825AJ operates with an input voltage range from 8.8V minimum to 20V maximum, with a nominal operating voltage of 12V. This makes it compatible with standard 12V bus systems in telecom, industrial, and distributed power conversion applications.
What package does the UC1825AJ come in, and is it RoHS compliant?
The UC1825AJ is packaged in a 16-pin CDIP (Ceramic Dual In-Line Package) and is listed as Pb-free compliant. The CDIP package offers excellent thermal performance and mechanical durability, making it suitable for high-reliability military and industrial 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $26.0000 | $26.00 |
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