UC3841DWG4
- Mfr.Part #
- UC3841DWG4
- Manufacturer
- Texas Instruments
- Package / Case
- 18-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 18SOIC
- Stock
- 8,106
- In Stock :
- 8,106
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Output Type :
- Transistor Driver
- Terminal Position :
- Dual
- Packaging :
- Tube
- RoHS Status :
- ROHS3 Compliant
- Height Seated (Max) :
- 2.65mm
- Output Voltage :
- 40V
- Peak Reflow Temperature (Cel) :
- 260
- Surface Mount :
- yes
- Number of Pins :
- 18
- Number of Terminations :
- 18
- Output Configuration :
- Positive, Isolation Capable
- Switcher Configuration :
- Single
- Max Duty Cycle :
- 95 %
- JESD-609 Code :
- e4
- Frequency :
- 450kHz
- Lead Free :
- Lead Free
- Synchronous Rectifier :
- No
- Additional Feature :
- CURRENT MODE OPERATION IS ALSO POSSIBLE
- ECCN Code :
- EAR99
- Output Current :
- 400mA
- Width :
- 7.5mm
- Terminal Form :
- Gull wing
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Control Technique :
- PULSE WIDTH MODULATION
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Features :
- Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start
- Control Mode :
- CURRENT-MODE
- Topology :
- Boost, Flyback, Forward Converter
- Operating Temperature :
- 0°C~70°C TA
- Base Part Number :
- UC3841
- Frequency - Switching :
- 500kHz
- Nominal Input Voltage :
- 30V
- Voltage - Supply (Vcc/Vdd) :
- 8V~32V
- Function :
- Step-Up, Step-Up/Step-Down
- Package / Case :
- 18-SOIC (0.295, 7.50mm Width)
- Mounting Type :
- Surface Mount
- Number of Outputs :
- 1
- Input Voltage-Nom :
- 20V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Datasheets
- UC3841DWG4

DC DC Switching Controllers Texas Instruments UC3841DWG4 Overview
The UC3841DWG4 by Texas Instruments is a high-performance DC DC Switching Controller designed to drive power conversion devices with precision and reliability. This IC regulates power controllers across various topologies such as boost, buck, and flyback converters. Engineered to enhance system efficiency and durability, the UC3841DWG4 integrates multiple protection features, making it an ideal choice for sophisticated power supply designs. This product ensures stable and efficient operation in diverse electronic applications, making it invaluable for bulk purchases by businesses looking to optimize their power management systems.
UC3841DWG4 Features
The UC3841DWG4 includes several key features that enhance its utility in power management applications. These include programmable switching frequencies up to 500 kHz, a low start-up current of 0.5 mA, and a direct drive capability of MOSFET or IGBT. The device also boasts built-in under-voltage lockout and current sensing comparator, which contribute to the overall safety and efficiency of the power supply system.
UC3841DWG4 Applications
- Power Supply Units: The UC3841DWG4 is commonly used in the design of AC-DC and DC-DC power supplies where it helps regulate the output voltage and current to ensure stable operation.
- Telecommunications Equipment: In telecom equipment, this IC manages power distribution efficiently, enhancing the reliability and performance of communication devices.
- Consumer Electronics: Applied in devices such as TVs and gaming consoles, the UC3841DWG4 controls power requirements to match the varying demands of consumer electronics.
- Industrial Systems: This controller is ideal for industrial applications requiring robust power management solutions to handle fluctuating loads and harsh operating conditions.
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