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UC2845BN - HIGH-PERFORMANCE PWM CONTROLLER

Download the UC2845BN datasheet PDF. This datasheet also covers the UC2842B variant, as both devices belong to the same high-performance pwm controller family and are provided as variant models within a single manufacturer datasheet.

Description

TheUC384xB family ofcontrolICs providesthe nec- cycle ranges.

Features

  • to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideally fixed frequency current mode control schemes wwwwit. DhataSheet4Us. cuomitedoff-line.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC2842B_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
UC2845B High Performance Current Mode Controllers ON Semiconductor
UC2845 CURRENTMODE PWM CONTROLLER STMicroelectronics
UC2845 Current-Mode PWM Controller Texas Instruments
UC2845 High Performance Current-Mode Controller ON Semiconductor
UC2845 HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS Unisonic Technologies

Other Datasheets by STMicroelectronics

Part Number Description
UC2845B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC2845A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC2840 PWM Controller
UC2842 CURRENTMODE PWM CONTROLLER
UC2842A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
UC2842B/3B/4B/5B ® UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL . OSCILLATOR FREQUENCY GUARANTEED AT 250kHz . CURRENT MODE OPERATION TO 500kHz . AUTOMATIC FEED FORWARD COMPENSA- TION . LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING . INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT . HIGH CURRENT TOTEM POLE OUTPUT . UNDERVOLTAGE LOCKOUT WITH HYSTER- ESIS . LOW START-UP AND OPERATING CURRENT Minidip SO8 comparatorwhich alsoprovidescurrent limit control, and a totem pole output stage designed to source or sink high peakcurrent. The outputstage, suitable for driving N-Channel MOSFETs, is low in the offstate.
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