UC1845J883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1845J883B is a current-mode PWM controller IC with 200 mA output, 500 kHz switching frequency, and 8.2V to 30V input range in an 8-Pin CDIP ceramic package. Designed for military-grade switching power supply designs meeting MIL-STD-883 specifications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- UC1845J883B 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 UC1845J883B?
- Current-mode PWM control with pulse-width modulation up to 500 kHz switching frequency
- Wide input voltage range of 8.2V to 30V (nominal 15V) for versatile power supply designs
- 200 mA gate drive output current enabling direct drive of power MOSFETs without external buffer
- 8-Pin CDIP ceramic package qualified to MIL-STD-883B for high-reliability military and aerospace use
What is UC1845J883B used for?
The UC1845J883B is designed for high-reliability switching power supply applications in military, aerospace, and defense electronics requiring MIL-STD-883 qualification. It excels in current-mode controlled DC-DC converters, flyback regulators, and forward converters where precise cycle-by-cycle current limiting is essential. The device is well suited for avionics power management, rugged embedded systems, and radiation-tolerant power conversion units.
What are the specifications of UC1845J883B?
| 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) | 12V |
| 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 UC1845J883B datasheet?
UC1845J883B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1845J883B?
Compatible alternatives and drop-in replacements for UC1845J883B:
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Frequently Asked Questions
Which designs are a good fit for UC1845J883B with 8.2 V to 30 V?
UC1845J883B 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 Ceramic Dual-In-Line Packages footprint.
How should engineers check package compatibility for UC1845J883B?
Compare the PCB land pattern, height allowance, and assembly process against the 8-pin Ceramic Dual-In-Line Packages style. The 8 pins detail is the first check before approving a replacement.
What matters when sourcing UC1845J883B 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 Ceramic Dual-In-Line Packages 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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