UC1526AJ883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1526AJ883B is a military-grade voltage-mode PWM regulating pulse width modulator from Texas Instruments operating from 7 V to 35 V input in an 18-pin ceramic DIP package rated -55°C to +125°C. It provides precise duty cycle control with integrated protection features for high-reliability switching power supply designs. Available from stock worldwide at competitive pricing for aerospace, defense, and industrial applications.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- UC1526AJ883B 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
What are the key features of UC1526AJ883B?
- Military-grade MIL-883B qualification with -55°C to +125°C operating range for extreme environment reliability
- Voltage-mode PWM control with 7 V to 35 V input range supports a wide variety of power supply topologies
- 18-pin ceramic DIP package provides superior hermeticity and long-term stability for high-reliability applications
- 15-year estimated end-of-life (YTEOL) supply assurance supports long program lifecycles in defense and aerospace
What is UC1526AJ883B used for?
The UC1526AJ883B is designed for high-reliability switching power supplies in military, aerospace, and space applications where MIL-883B qualification and wide temperature range operation are mandatory requirements. It is used in avionics power conversion, satellite power management, shipboard electronics, and ground-based military systems that demand long-term supply chain stability and assured component availability. Industrial applications in harsh environments, including oil and gas instrumentation and nuclear facility controls, also benefit from its ceramic package and extended temperature range.
What are the specifications of UC1526AJ883B?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | LG-MAX |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 35V |
| Input Voltage-Min | 7V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-CDIP-T18 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 0.2A |
| Output Voltage-Max | 5.05V |
| Output Voltage-Min | 4.95V |
| Output Voltage-Nom | 5V |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | DIP18,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 Class B |
| Supply Voltage-Max (Vsup) | 7V |
| Surface Mount | NO |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 500kHz |
| Technology | CMOS |
| 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 |
Where can I find the UC1526AJ883B datasheet?
UC1526AJ883B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1526AJ883B?
Compatible alternatives and drop-in replacements for UC1526AJ883B:
Switching Controller, Voltage-mode, 0.2A, 600kHz Switching Freq-Max, CMOS, PDIP18
Switching Controller, Voltage-mode, 0.2A, 400kHz Switching Freq-Max, CMOS, CDIP18
Frequently Asked Questions
What are the key specifications of the UC1526AJ883B PWM controller?
The UC1526AJ883B is a voltage-mode PWM controller with a 7 V to 35 V input voltage range (nominal 15 V) and operates over a military temperature range of -55°C to +125°C. It uses pulse width modulation control technique in an 18-pin ceramic DIP (CDIP) package. The device is qualified to MIL-STD-883B for high-reliability applications and carries a YTEOL (estimated years to end-of-life) of 15, indicating continued long-term availability.
What does MIL-883B qualification mean for the UC1526AJ883B?
MIL-STD-883B qualification means the UC1526AJ883B has been tested and verified to meet the requirements of a United States military standard for microcircuit test methods and procedures. This includes screening for temperature cycling, mechanical shock, vibration, hermeticity, and other environmental stresses. Qualification to this standard ensures the device meets strict reliability and traceability requirements for use in defense, aerospace, and space applications where component failure could have critical consequences.
Why is the ceramic DIP package important for the UC1526AJ883B?
The 18-pin ceramic DIP (CDIP) package used by the UC1526AJ883B provides hermetic sealing, which protects the die from moisture, contaminants, and harsh environmental conditions that would degrade plastic-packaged devices over time. Ceramic packages also offer superior thermal stability and are essential for MIL-spec applications. The hermetic CDIP is the standard package choice for military and aerospace ICs that must maintain performance and reliability across decades of service in extreme conditions.
What power supply topologies can the UC1526AJ883B control?
The UC1526AJ883B is a general-purpose voltage-mode PWM controller that supports a variety of isolated and non-isolated switching power supply topologies, including forward converters, push-pull converters, half-bridge, and full-bridge configurations. Its adjustable oscillator frequency, error amplifier, and output stage allow designers to tailor the controller to specific topology requirements. The wide 7–35 V input range accommodates diverse bus voltages encountered in military and aerospace power distribution systems.
What are alternative devices to the UC1526AJ883B for military power supply designs?
The UC1526AJ883B is part of Texas Instruments' UC1526 family; related variants include the UC2526 (industrial grade) and UC3526 (commercial grade) with the same base architecture but different temperature and screening levels. Other military-grade PWM controllers suitable as functional alternatives include the UC1525AJ883B (similar architecture) or devices from other manufacturers such as Renesas' HA17524 or Analog Devices' military-grade PWM controllers. Designers must verify temperature range, package type, timing, and protection feature compatibility before substitution in MIL-spec applications.
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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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