UC1843J883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1843J883B is a current-mode PWM controller from Texas Instruments in an 8-pin ceramic DIP package. It features a 1A gate drive output, input voltage range of 8.2V to 30V, and is MIL-STD-883 qualified for high-reliability applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- UC1843J883B Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Non-compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with cycle-by-cycle current limiting for enhanced overcurrent protection in power supply designs
- MIL-STD-883B qualified in ceramic 8-pin DIP package for high-reliability military and aerospace applications
- Operating input voltage range of 8.2V to 30V with 1A peak gate drive output for driving power MOSFETs and bipolar transistors
Applications
The UC1843J883B is used in high-reliability switch-mode power supplies for military, aerospace, and industrial applications where MIL-STD-883 qualification is required. Its current-mode PWM control architecture is ideal for forward converters, flyback converters, and boost regulators demanding robust overcurrent protection and fast transient response.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Not Compliant |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 8.2V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Output Voltage-Nom | 5V |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 Class B |
| Supply Current-Max (Isup) | 25mA |
| Supply Voltage-Max (Vsup) | 30V |
| Supply Voltage-Min (Vsup) | 8.5V |
| Surface Mount | NO |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 500kHz |
| 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 | Non-compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UC1843J883B:
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Frequently Asked Questions
What control mode does the UC1843J883B use?
The UC1843J883B uses current-mode pulse width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting. This technique improves transient response and simplifies compensation compared to voltage-mode controllers in SMPS designs.
What is the input voltage range of the UC1843J883B?
The UC1843J883B operates with an input voltage range from 8.2V minimum to 30V maximum, with a nominal operating voltage of 15V. This wide range accommodates various power supply input conditions in military and industrial environments.
Is the UC1843J883B suitable for military applications?
Yes, the UC1843J883B is qualified to MIL-STD-883B standards, making it suitable for military, aerospace, and high-reliability industrial applications. Its ceramic DIP-8 package provides excellent thermal stability and hermeticity for harsh environments.
What package does the UC1843J883B come in?
The UC1843J883B is available in an 8-pin ceramic dual in-line package (CDIP-8), which offers hermetic sealing and excellent thermal performance. This package is preferred for high-reliability and military-grade applications where long-term stability is critical.
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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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