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Manufacturers

UC3844BD1

Manufacturer

ST MICROELECTRONICS

data-sheet
Data sheet
Data sheet
The UC3844BD1 is utilized in industrial and consumer electronics applications, particularly in power supply designs requiring boost and flyback regulation. Its features enable efficient DC-DC conversion with minimal external components, making it ideal for off-line and DC-DC fixed frequency current mode control schemes.
Specification
Specification
IC REG CTRLR BST FLYBK ISO 8-SO
IC REG CTRLR BST FLYBK ISO 8-SO
Detailed specification
Detailed specification
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Description
Description
The UC3844BD1 from STMicroelectronics is a high-performance current mode PWM controller designed for boost and flyback applications. It features a trimmed oscillator for precise frequency control, operating at 250 kHz, with current mode operation up to 500 kHz. The device includes automatic feed-forward compensation, latching PWM for cycle-by-cycle current limiting, and an internally trimmed reference with undervoltage lockout. It is suitable for driving N-channel MOSFETs with a high current totem pole output.
The UC3844BD1 from STMicroelectronics is a high-performance current mode PWM controller designed for boost and flyback applications. It features a trimmed oscillator for precise frequency control, operating at 250 kHz, with current mode operation up to 500 kHz. The device includes automatic feed-forward compensation, latching PWM for cycle-by-cycle current limiting, and an internally trimmed reference with undervoltage lockout. It is suitable for driving N-channel MOSFETs with a high current totem pole output.
Availability
Availability
Can be ordered from Westcomp
Can be ordered from Westcomp
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Other manufacturers
UC3844BD1 is also available from the following manufacturers
ON SEMICONDUCTOR
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Patrick Wiström031-338 96 64patrick.wistrom@westcomp.se
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Richard Mattsson031-338 96 84richard.mattsson@westcomp.se
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