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U3848B - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

This page provides the datasheet information for the U3848B, a member of the U3848 HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS family.

Datasheet Summary

Description

The UTC U3848/A/B/C is designed to provide several special enhancements to satisfy the needs: Power-Saving mode for low standby power, Over Current Protection (OCP), Over Voltage Protection (OVP), Over Load Protection (OLP), Over Temperature Protection (OTP) etc protection

Features

  • IC will be shutdown when either protection arise and can auto-restart. Its frequency may be defined by user through resistor RT to external ground. UVLO featuring typical start-up current 20µA, and VCC(ON) 12.6V, VCC(OFF) 8.1 . Lower typical operation current Icc 3.7mA at inactive output. The output stage, suitable for driving N-Channel MOSFETs, can operate to duty cycles approach 70%. The U3848/A/B/C are fully pin-to-pin compatible with UC3842. But pin RT only connected a resistor to ground to.

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Datasheet preview – U3848B

Datasheet Details

Part number U3848B
Manufacturer UTC
File Size 265.46 KB
Description HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
Datasheet download datasheet U3848B Datasheet
Additional preview pages of the U3848B datasheet.

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Other Datasheets by UTC
  • U3848 - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
  • U3848A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
  • U3848C - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD U3848/A/B/C HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS DESCRIPTION The UTC U3848/A/B/C is designed to provide several special enhancements to satisfy the needs: Power-Saving mode for low standby power, Over Current Protection (OCP), Over Voltage Protection (OVP), Over Load Protection (OLP), Over Temperature Protection (OTP) etc protection features. IC will be shutdown when either protection arise and can auto-restart. Its frequency may be defined by user through resistor RT to external ground. UVLO featuring typical start-up current 20µA, and VCC(ON) 12.6V, VCC(OFF) 8.1 . Lower typical operation current Icc 3.7mA at inactive output. The output stage, suitable for driving N-Channel MOSFETs, can operate to duty cycles approach 70%.
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