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UC1844A-SP - current-mode PWM controller

Download the UC1844A-SP datasheet PDF. This datasheet also covers the UC1842A-SP variant, as both devices belong to the same current-mode pwm controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The UC184xA-SP family of control ICs is a pin-for-pin compatible improved version of the UC184x family.

Key Features

  • 1 QML Class V (QMLV) Qualified, SMD 5962-86704.
  • Rad-Tolerant: 30-krad(Si) TID (1) (2).
  • Optimized for Offline and DC-to-DC Converters.
  • Low Start-Up Current (< 0.5 mA).
  • Trimmed Oscillator Discharge Current.
  • Automatic Feed Forward Compensation.
  • Pulse-by-Pulse Current Limiting.
  • Enhanced Load Response Characteristics.
  • Undervoltage Lockout (UVLO) With Hysteresis.
  • Double-Pulse Suppression.
  • High-Current To.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC1842A-SP-etcTI.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
UC1844A Current Mode PWM Controller Unitrode
UC1844A CURRENT MODE PWM CONTROLLER LINFINITY
UC1840 PWM CONTROLLER STMicroelectronics
UC1841 Programmable Off-Line PWM Controller Unitrode
UC1842A Current Mode PWM Controller Unitrode

Other Datasheets by Texas Instruments

Part Number Description
UC1844A-EP Current-Mode PWM Controllers
UC1844A Current-Mode PWM Controllers
UC1844 Current-Mode PWM Controllers
UC1844J Current-Mode PWM Controller
UC1844L 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
Product Folder Order Now Technical Documents Tools & Software Support & Community UC1842A-SP, UC1844A-SP SLUS872E – JANUARY 2009 – REVISED FEBRUARY 2019 UC184xA-SP QML class V, current-mode PWM controller 1 Features •1 QML Class V (QMLV) Qualified, SMD 5962-86704 • Rad-Tolerant: 30-krad(Si) TID (1) (2) • Optimized for Offline and DC-to-DC Converters • Low Start-Up Current (< 0.