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Texas Instruments UC2845ADTRG4

UC2854ADWTR

Texas Instruments UC2854ADWTR

UC2855BNG4

Texas Instruments UC2855BNG4

UC2909MDWREP

Texas Instruments UC2909MDWREP

UC3176QPTR

Texas Instruments UC3176QPTR

UC3524D

Texas Instruments UC3524D

UC3525BDWTR

Texas Instruments UC3525BDWTR

UC3638DWG4

Texas Instruments UC3638DWG4

UC3823DWTR

Texas Instruments UC3823DWTR

UC3823NG4

Texas Instruments UC3823NG4

Price
RoHS Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant
Lead Status Yes No No No Yes No No No No No
Frequency(Min)(kHz) 26 0.1 0.1 0.1 0.1
Control Method Peak Current Mode CCM CCM Voltage Voltage Current,Voltage Current,Voltage
Operating Temperature Range(C) -40 to 85 -40 to 85 -40 to 85 -55 to 125 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70
Rating Catalog Catalog Catalog HiRel Enhanced Product Catalog Catalog Catalog Catalog Catalog Catalog
Duty Cycle(Max)(%) 50 90 49 85 85
Vin(Min)(V) 9 8 8.4 8.4
UVLO Thresholds On/Off(V) 8.4/7.6 16/10 10.5/10 7.5/7 7 9.2/8.4 9.2/8.4
Special Features Error Amplifier,Multi-topology > 750W Applications,Average Current Mode,Enable > 750W Applications,Average Current Mode,Enable,OVP Temp Monitoring (Thermistor Pin) Current-Limited,Diff Curr Sense Amp,Linear Control,Linear Power Amp,Output Clamp Diodes,Thermal Shutdown Error Amplifier,Multi-topology,Soft Start,Synchronization Pin Error Amplifier,Multi-topology,Soft Start,Synchronization Pin Current-Limited,DC Motor Control,Diff Curr Sense Amp,Switching Control Error Amplifier,Multi-topology,Soft Start,Synchronization Pin Error Amplifier,Multi-topology,Soft Start,Synchronization Pin
Topology Boost,Buck,Flyback,Forward Boost,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull Boost,Buck,Flyback,Forward Boost,Buck,Flyback,Forward
Approx. Price (US$) 0.42 | 1ku 1.55 | 1ku 6.85 | 1ku 8.38 | 1ku 1.00 | 1ku 2.47 | 1ku 3.30 | 1ku 1.76 | 1ku 1.76 | 1ku
Frequency(Max)(kHz) 500 450 500 1000 1000
Package Group PDIP,SOIC PDIP,SOIC PDIP,SOIC SOIC PLCC SOIC,WAFERSALE SOIC,PDIP PDIP,SOIC SOIC,PDIP SOIC,PDIP
Vin(Max)(V) 400 40 30 30
Gate Drive(Typ)(A) 1 0.1 0.4 1.5 1.5
Startup Current(mA) 0.25 0.15
Practical Operating Frequency(Max)(MHz) 0.2 0.5
Device Type Single-phase PFC Single-phase PFC
Operating Supply Current(mA) 12 17 18 15
Package Size mm2 mm2 mm2 mm2
Operating Supply(Max)(V) 20 20 35 36
Peak Output Source Current Gate Drive(A) -1 -1.5
Peak Output Sink Current Gate Drive(A) 1 1.5
Cell Chemistry Lead Acid
Charge Current(Max)(A) 2
Operating Supply(Min)(V) 3 10
Peak Output Current(A) 2 0.4