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UC1851 - PWM Controller

UNITRODE

The UC1851 by UNITRODE is a PWM Controller. Below is the official datasheet preview.

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UC1851 PWM Controller by UNITRODE - Datasheet Preview — Official preview page of the UC1851 PWM Controller datasheet (UNITRODE).

Datasheet Details

Part number	UC1851
Manufacturer	UNITRODE
File Size	766.22 KB
Description	PWM Controller
Datasheet	UC1851-UNITRODE.pdf
Additional preview pages of the UC1851 datasheet.

UC1851 Product details

Description

The UC1851 family of PWM controllers are optimized for offline primary side control.

Features

All Control, Driving, Monitoring, and Protection Functions Included.
Low-Current Off Line Start Circuit.
Voltage Feed Forward or Current Mode Control.
High Current Totem Pole Output.
50% Absolute Max Duty Cycle.
PWM Latch for Single Pulse Per Period.
Pulse-by-Pulse Current Limiting plus Shutdown for Over-Current Fault.
No Start-Up or Shutdown Transients.
Slow Turn-On Both Initially and After Fault Shutdown.

📁 UC1851 Similar Datasheet

UC1853 - High Power Factor Preregulator (Unitrode)
UC1854 - High-Power Factor Preregulator (Texas Instruments)
UC1854A - ADVANCED HIGH-POWER FACTOR PREREGULATOR (Texas Instruments)
UC1856-SP - Improved Current-Mode PWM Controller (Texas Instruments)
UC1823 - High Speed PWM Controller (Unitrode)
UC1823A - HIGH-SPEED PWM CONTROLLER (Texas Instruments)
UC1824 - HIGH SPEED PWM CONTROLLER (Texas Instruments)
UC1825 - High Speed PWM Controller (Unitrode)

Other Datasheets by UNITRODE

UC1852 - High Power-Factor Preregulator
UC1854B - Enhanced High Power Factor Preregulator
UC1856 - Improved Current Mode PWM Controller

Published: Apr 21, 2020 |