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IP2845

Seme LAB
Part Number IP2845
Manufacturer Seme LAB
Description CURRENT MODE REGULATING PULSE WIDTH MODULATORS
Published Apr 5, 2005
Detailed Description LAB TOP VIEW COMP 1 V FB 2 I SENSE 3 R T /C T 4 8 7 6 5 SEME IP1844 SERIES IP1845 SERIES VREF VCC OUTPUT GROUND CURR...
Datasheet PDF File IP2845 PDF File

IP2845
IP2845

Overview
LAB TOP VIEW COMP 1 V FB 2 I SENSE 3 R T /C T 4 8 7 6 5 SEME IP1844 SERIES IP1845 SERIES VREF VCC OUTPUT GROUND CURRENT MODE REGULATING PULSE WIDTH MODULATORS FEATURES • • • • • Guaranteed ±1% reference voltage tolerance 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 UC1844 and UC1845 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 Package – 14 Pin Plastic (150) SOIC Order Information Part Number IP1844 IP2844 IP3844 IP1845 IP2845 IP3845 J–Pack 8 Pin N–Pack 8 Pin D–8 8 Pin D–14 14 Pin Temp.
Range -55 to +125°C -25 to +85°C 0 to +70°C -55 to +125°C -25 to +85°C 0 to +70°...


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