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TL494IDRE4

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TPS2066DGNRG4

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TPS2051BDGNRG4

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Price $31.25 $31.25 $31.25 $0.31 $0.68
RoHS Compliant Compliant Compliant Compliant Compliant Compliant Yes Compliant Compliant Compliant
Lead Status No No No No No No Yes No No No
Package Group PDIP,SO,SOIC,TSSOP MSOP-PowerPAD,SOIC HTSSOP,WQFN TSSOP MSOP-PowerPAD,SOIC,SOT-23 SOIC MSOP-PowerPAD,SOIC,SOT-23
UVLO Thresholds On/Off(V) N/A
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Frequency(Max)(kHz) 300 2000 1000
Control Method Voltage Feedforward,Voltage Current,Voltage
Vin(Min)(V) 7 2.7 13 15 2.7 2.7 2.7
Topology Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull Half-Bridge Full-Bridge
Duty Cycle(Max)(%) 45 50 50
Operating Temperature Range(C) -40 to 85,0 to 70 -40 to 85 -40 to 125 -40 to 125 -40 to 85 0 to 85 -40 to 85
Approx. Price (US$) 0.17 | 1ku 0.73 | 1ku 1.70 | 1ku 1.30 | 1ku 0.50 | 1ku 0.60 | 1ku 0.50 | 1ku
Special Features Adjustable Switching Frequency,Error Amplifier,Multi-topology Multi-topology,Synchronization Pin Synchronization Pin
Vin(Max)(V) 40 5.5 105 100 5.5 5.5 5.5
USB Switch rDS(on)(mOhms) 70 70 80 70
Number of Switches 2 1 1 1
Continuous Current(Max)(A) 1 0.5 0.25 0.5
Current Limit Topology Constant-Current Constant-Current Constant-Current Constant-Current
Package Size mm2 mm2 mm2 mm2
Enable Active High Active Low Active Low Active High
Frequency(Min)(kHz) 50 100
Gate Drive(Typ)(A) 2 1.5