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
What are the key features of UC1843J883B?
- 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
What is UC1843J883B used for?
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.
What are the specifications of UC1843J883B?
| 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 |
Where can I find the UC1843J883B datasheet?
UC1843J883B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1843J883B?
Compatible alternatives and drop-in replacements for UC1843J883B:
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Frequently Asked Questions
Which designs are a good fit for UC1843J883B with 8.2 V to 30 V?
UC1843J883B fits industrial, embedded, and repair-oriented electronic assemblies when the design needs 8.2 V to 30 V and 30 V. It is a practical choice when the BOM also matches the 8-pin DIP footprint.
How should engineers check package compatibility for UC1843J883B?
Compare the PCB land pattern, height allowance, and assembly process against the 8-pin DIP style. The 8 pins detail is the first check before approving a replacement.
What matters when sourcing UC1843J883B as a replacement?
Confirm the same 8.2 V to 30 V, 30 V, manufacturer traceability, and lifecycle status before substituting it. Buyers should also verify stock for the exact 8-pin DIP configuration.
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Why Buy from FindMyChip
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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