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UC3848 - HIGH-PERFORMANCE CONTROLLER

Datasheet Summary

Description

The UTC UC3848 is designed to provide several special enhancements to satisfy the needs, for example, Power-Saving mode for low standby power (

Features

  • S.
  • Low Startup Current (about 22μA).
  • Fixed Switching Frequency(Norm. is 68KHz).
  • Frequency Hopping for Improved EMI Performance.
  • Lower than 0.3W Standby Power Design.
  • Linearly Decreasing Frequency to 26KHz During Light Load.
  • Soft Start.
  • Internal Slope Compensation.
  • Constant Power Limiting for Universal AC input Range.
  • Gate Output Maximum Voltage Clamp(15V).
  • Max Duty Cycle 74%.
  • Over Temperature Protection.
  • Overload Protection.
  • Over.

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Datasheet preview – UC3848

Datasheet Details

Part number UC3848
Manufacturer UTC
File Size 590.99 KB
Description HIGH-PERFORMANCE CONTROLLER
Datasheet download datasheet UC3848 Datasheet
Additional preview pages of the UC3848 datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UC3848 LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE CONTROLLERS „ DESCRIPTION The UTC UC3848 is designed to provide several special enhancements to satisfy the needs, for example, Power-Saving mode for low standby power (<0.3W), Frequency Hopping , Constant Output Power Limiting , Slope Compensation ,Over Current Protection (OCP), Over Voltage Protection (OVP), Over Load Protection (OLP), Under Voltage Lock Out (UVLO), Short Circuit Protection (SCP) , Over Temperature Protection (OTP) etc. IC will be shutdown or can auto-restart in situations. „ FEATURES * Low Startup Current (about 22μA) * Fixed Switching Frequency(Norm. is 68KHz) * Frequency Hopping for Improved EMI Performance. * Lower than 0.
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