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Manufacturers

UC3843BN

Manufacturer

ST MICROELECTRONICS

data-sheet
Data sheet
Data sheet
UC3843BN is utilized in industrial and consumer electronics applications, particularly in power supply designs requiring efficient DC-DC conversion. Its features enable reliable operation in boost and flyback configurations, making it ideal for off-line and DC-DC fixed frequency current mode control schemes with minimal external components.
Specification
Specification
IC REG CTRLR BST/FLYBK 8-MINIDIP
IC REG CTRLR BST/FLYBK 8-MINIDIP
Detailed specification
Detailed specification
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-Mini DIP
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-Mini DIP
Description
Description
The UC3843BN 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 undervoltage lockout, cycle-by-cycle current limiting, and a high current totem pole output stage, making it suitable for driving N-channel MOSFETs.
The UC3843BN 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 undervoltage lockout, cycle-by-cycle current limiting, and a high current totem pole output stage, making it suitable for driving N-channel MOSFETs.
Availability
Availability
Can be ordered from Westcomp
Can be ordered from Westcomp
Check stock
Other manufacturers
UC3843BN is also available from the following manufacturers
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