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IP2845A - CURRENT MODE REGULATING PULSE WIDTH MODULATORS

Description

The IP1844A/IP1845A series of switching regulator control circuits contain all the functions necessary to implement off-line, current mode switching regulators, using a minimum number of external parts.

Features

  • Guaranteed ±1% reference voltage tolerance Accurate oscillator discharge current Guaranteed ±10% frequency tolerance Low start.
  • up current (.

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Datasheet preview – IP2845A

Datasheet Details

Part number IP2845A
Manufacturer Seme LAB
File Size 60.72 KB
Description CURRENT MODE REGULATING PULSE WIDTH MODULATORS
Datasheet download datasheet IP2845A Datasheet
Additional preview pages of the IP2845A datasheet.

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Full PDF Text Transcription

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LAB TOP VIEW COMP 1 V FB 2 I SENSE 3 R T /C T 4 8 7 6 5 SEME IP1844A SERIES IP1845A SERIES VREF VCC OUTPUT GROUND CURRENT MODE REGULATING PULSE WIDTH MODULATORS FEATURES • • • • • • Guaranteed ±1% reference voltage tolerance Accurate oscillator discharge current Guaranteed ±10% frequency tolerance Low start–up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and input conditions • Interchangeable with IP and UC1844/5 series for improved operation • 500kHz Oscillator operation 250kHz Output operation J Package – 8 Pin Ceramic DIP N Package – 8 Pin Plastic DIP D-8 Package – 8 Pin Plastic (150) SOIC TOP VIEW COMP 1 N/C 2 14 13 12 11 10 9 8 VREF N/C VCC VC OUTPUT GROUND POWER GROUND V FB 3 N/C 4 I SENSE 5 N/C 6 R T /C T 7 D-14 Pac
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