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UC3842A Current-Mode PWM Controllers

UC3842A Description

UC1842A, UC1843A, UC1844A, UC1845A UC2842A, UC2843A, UC2844A, UC2845A UC3842A, UC3843A, UC3844A, UC3845A SLUS224G * SEPTEMBER 1994 * R.
The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family.

UC3842A Features

* Optimized for Off-Line and DC-DC Converters
* Low Start-Up Current (< 0.5 mA)
* Trimmed Oscillator Discharge Current
* Automatic Feedforward Compensation
* Pulse-by-Pulse Current Limiting
* Enhanced Load Response Characteristics
* Undervoltag

UC3842A Applications

* Switch Mode Power Supplies (SMPS)
* DC-DC Converters
* Power Modules
* Industrial PSU

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📁 Related Datasheet

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  • UC3842 - Current-mode PWM controller (Philips)
  • UC3842B - HIGH PERFORMANCE CURRENT MODE CONTROLLERS (Motorola)
  • UC3842BN - HIGH-PERFORMANCE PWM CONTROLLER (ST Microelectronics)
  • UC3842G - HIGH PERFORMANCE CURRENT MODE CONTROLLER (Unisonic Technologies)
  • UC3842T - (UC3842T - UC3845T) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER (STMicroelectronics)

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Current-Mode PWM Controllers Texas Instruments
Texas Instruments UC3842A-like datasheet