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LM3503ITL-16/NOPB

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Price $1.69 $2.45 $0.51
RoHS Compliant Compliant Compliant Compliant Compliant Not Compliant Compliant Compliant Compliant Compliant
Lead Status No No No No No No No No No No
Type Converter (Integrated Switch) Converter (Integrated Switch) Inductive Converter Converter Inductive Inductive
Topology Buck Buck Boost Buck/Boost Buck/Boost Boost Boost
Vout(Max)(V) 3 3 40 32 40 40
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Special Features Synchronous Rectification Synchronous Rectification OVP N/A Temp Monitoring (Thermistor Pin),Thermal Regulation Temp Monitoring (Thermistor Pin),Thermal Regulation OVP OVP
Approx. Price (US$) 0.40 | 1ku 0.40 | 1ku 0.70 | 1ku 0.78 | 1ku 0.78 | 1ku 1.14 | 1ku 0.45 | 1ku 0.45 | 1ku 1.10 | 1ku 1.10 | 1ku
Regulated Outputs(#) 1 1 1
Switching Frequency(Max)(kHz) 2550 2550 1000 1000 1000
Switch Current Limit(Typ)(A) 1.22 1.22
Vin(Max)(V) 5.5 5.5 5.5 40 40 35 5.5 5.5
Soft Start Adjustable Adjustable
Package Group DSBGA DSBGA DSBGA PDIP,SOIC PDIP,SOIC TO-220,WAFERSALE WSON WSON DSBGA,WQFN DSBGA,WQFN
Operating Temperature Range(C) -30 to 85 -30 to 85 -40 to 125 0 to 125 0 to 125 -40 to 125,-40 to 85 -40 to 85 -40 to 85
Vin(Min)(V) 2.7 2.7 2.7 2 2 4.2 2.7 2.7
Iout(Max)(A) 0.9 0.9 0.75 0.75 3
Vout(Min)(V) 0.7 0.7 2.7 1 1 1.25 15 15
Switching Frequency(Typ)(kHz) 3000 3000
Iq(Typ)(mA) 0.07 0.07
Package Size mm2 mm2 mm2 mm2
LED Current Per Channel(mA) 30 50 50
Peak Efficiency(%) 88 83 83
LED(#) 25 10 10
Shutdown Current(Typ)(uA) 1 0.1 0.1
Channels(#) 7 2 2
Duty Cycle(Max)(%) 94 95 95
Vdo(Typ)(mV) 2300
Output Options Adjustable Output
Fixed Output Options(V) N/A
Output Capacitor Type N/A
Absolute Vin (safety rating)(Max)((V)) 6.5 6.5
Cell Chemistry Li-Ion/Li-Polymer Li-Ion/Li-Polymer
Charging Control Topology Linear Charger Linear Charger
Control Interface Standalone (RC-Settable) Standalone (RC-Settable)
Charge Current(Max)(A) 1 1
Operating Vin(Max)(V) 6 6
# Series Cells 1 1
Battery Charge Voltage(V) 4.2 (Fixed) 4.2 (Fixed)
Estimated Package Size (WxL)(mm2) ,[pf]16WQFN[/pf] ,[pf]16WQFN[/pf]