The UC2844 Current-Mode PWM Controller from Texas Instruments is designed for off-line and DC-to-DC converter applications. It operates within a temperature range of -40¬8C to 85¬8C and features a low start-up current of less than 1mA. The controller includes automatic feedforward compensation, pulse-by-pulse current limiting, and enhanced load-response characteristics. It also has an undervoltage lockout with hysteresis and double-pulse suppression, making it suitable for various power supply designs. The device can operate at frequencies up to 500kHz and is equipped with a high-current totem-pole output stage, optimized for driving N-channel MOSFETs. The UC2844 is packaged in an 8-pin SOIC format, facilitating integration into compact designs.
Current-Mode PWM Controller 8-SOIC -40 to 85
Manufacturer: Texas Instruments
Win Source Part Number: 1115392-UC2844D8TRG4
Packaging: Reel - TR
Mounting: Surface Mount
Output Isolation: Isolated
Topology: Boost, Flyback, Forward
Voltage - Start Up: 16V
Duty Cycle: 48%
Frequency - Switching: Up to 500kHz
Fault Protection: Current Limiting
Control Features: Frequency Control
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 8-SOIC
Supply Voltage - Operating: 10 V to 30 V
Popularity: Medium
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Balance
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 Product overview: UC2844D8TRG4 from Texas Instruments is a DC-DC Converter IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 1A, 500kHz, SOIC. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 1A, 500kHz, SOIC, DC-DC Converter IC, DC DC Switching Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 715-UC2844D8TRG4 can be used for catalog matching and distributor lookup.
| Texas Instruments | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|---|
| Product Category | IC Power Supplies | AC-DC Converter Chips | DC-DC Converter Chips |
| Product Number | UC2844D8TRG4 | 1115392-UC2844D8TRG4 | 715-UC2844D8TRG4 |
| Product Name | UC2844 Current-Mode PWM Controller | PMIC - PMIC - AC DC Converters, Offline Switchers - UC2844D8TRG4 | 1A 500kHz SOIC DC-DC Converter IC |
| Package Type | Other; PDIP,SOIC | SOIC; Other; 8-SOIC | Other; D |
| Features | Error Amplifier | ||
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) |