LM3549SQE/NOPB

Texas Instruments LM3549SQE/NOPB

LMZ22003TZE/NOPB

Texas Instruments LMZ22003TZE/NOPB

LMZ10504EXTTZX/NOPB

Texas Instruments LMZ10504EXTTZX/NOPB

LM3450MTX/NOPB

Texas Instruments LM3450MTX/NOPB

LMZ14203HTZE/NOPB

Texas Instruments LMZ14203HTZE/NOPB

SM72238TD-5.0/NOPB

Texas Instruments SM72238TD-5.0/NOPB

SM72485MM/NOPB

Texas Instruments SM72485MM/NOPB

SM72485MME/NOPB

Texas Instruments SM72485MME/NOPB

SM72485SDX/NOPB

Texas Instruments SM72485SDX/NOPB

LP8553TLX/NOPB

Texas Instruments LP8553TLX/NOPB

Price $8.54 $15.59 $15.49 $0.94
RoHS Compliant Compliant Compliant Yes Compliant Yes Compliant Compliant Yes Yes
Lead Status No No No Yes No Yes No No Yes Yes
Package Group WQFN TSSOP VSSOP,WSON VSSOP,WSON VSSOP,WSON DSBGA
LED Configuration Parallel
Rating Catalog Catalog Catalog Catalog Catalog Catalog
Package Size mm2 mm2 mm2 mm2 mm2 mm2
Approx. Price (US$) 2.67 | 1ku 5.23 | 1ku 12.80 | 1ku 0.60 | 1ku 8.50 | 1ku 0.95 | 1ku 0.95 | 1ku 0.95 | 1ku 0.82 | 1ku
Program Memory Yes
Programmable Ramp Control Yes
Vin(Min)(V) 2.7 6 2.95 85 6 6 6 6 2.7
Vin(Max)(V) 5.5 20 5.5 20 42 95 95 95 22
LED(#) 3 40
LED Current Per Channel(mA) 235 50
Peak Efficiency(%) 95 93
Iout(Max)(A) 0.720 3 4 2 3 0.15 0.15 0.15
Shutdown Current(Typ)(uA) 1 1
Special Features I2C Control EMI Tested,Enable,Frequency Synchronization,Tracking Enable Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown EMI Tested,Enable,Tracking Enable Enable Enable PWM Control
Iq(Typ)(mA) 1.6 1.7 1.6 0.485 0.485 0.485
Vout(Max)(V) 4.6 6 5 60 24 85 85 85 40
Operating Temperature Range(C) -30 to 85 -40 to 85 -40 to 85 -40 to 125 -40 to 125 -40 to 125 -40 to 125 -40 to 125 -30 to 85
Topology Boost Boost,Flyback Boost
Channels(#) 3 4
Switching Frequency(Min)(kHz) 650 700 60 200
Package Type Leaded Leaded Leaded
Vout(Min)(V) 0.8 0.8 9 5 2.5 2.5 2.5 10
Regulated Outputs(#) 1 1 1 1
Soft Start Adjustable Adjustable Adjustable
Switching Frequency(Max)(kHz) 950 1160 120 1000 600 600 600 1250
Switching Frequency(Typ)(kHz) 1000 800
Dimming Method Forward Phase (Triac),Reverse Phase
Vref(V) 0.2
Type Inductive Converter Converter Converter Inductive
Power Factor Correction(Min) Active
Input Voltage(Type) AC/DC
Duty Cycle(Max)(%) 99 99 99 100
Control Mode Constant on-time (COT) Constant on-time (COT) Constant on-time (COT)