LM3549SQX/NOPB

Texas Instruments LM3549SQX/NOPB

LM3549SQE/NOPB

Texas Instruments LM3549SQE/NOPB

LM3674MF-1.2

Texas Instruments LM3674MF-1.2

LM3674MF-1.875/NOPB

Texas Instruments LM3674MF-1.875/NOPB

LM3370TL-3008/NOPB

Texas Instruments LM3370TL-3008/NOPB

LM3370TLX-3607/NOPB

Texas Instruments LM3370TLX-3607/NOPB

LM3370TLX-3022/NOPB

Texas Instruments LM3370TLX-3022/NOPB

LM3370TL-3006/NOPB

Texas Instruments LM3370TL-3006/NOPB

LM5071MTX-80/NOPB

Texas Instruments LM5071MTX-80/NOPB

LM5071MT-80

Texas Instruments LM5071MT-80

Price $2.36
RoHS Yes Compliant Not Compliant Yes Compliant Compliant Compliant Yes Compliant
Lead Status Yes No No Yes No No No Yes No
Package Group WQFN WQFN SOT-23 SOT-23 DSBGA,WSON DSBGA,WSON DSBGA,WSON DSBGA,WSON TSSOP
LED Configuration Parallel Parallel
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Package Size mm2 mm2 mm2
Approx. Price (US$) 2.67 | 1ku 2.67 | 1ku 0.32 | 1ku 0.32 | 1ku 0.60 | 1ku 0.60 | 1ku 0.60 | 1ku 0.60 | 1ku 1.30 | 1ku
Program Memory Yes Yes
Programmable Ramp Control Yes Yes
Vin(Min)(V) 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 1.8
Vin(Max)(V) 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 60
LED(#) 3 3
LED Current Per Channel(mA) 235 235
Peak Efficiency(%) 95 95
Iout(Max)(A) 0.720 0.720 0.6 0.6 0.6 0.6 0.6 0.6
Shutdown Current(Typ)(uA) 1 1
Special Features I2C Control I2C Control Enable Enable,Synchronous Rectification Error Amplifier,Programmable UVLO,Thermal Shutdown
Iq(Typ)(mA) 1.6 1.6 1 0.3 0.6 0.6 0.6 0.6
Vout(Max)(V) 4.6 4.6 3.3 3.3 2 2 2 2
Operating Temperature Range(C) -30 to 85 -30 to 85 -30 to 85 -30 to 85 -30 to 85 -30 to 85 -30 to 85 -30 to 85
Topology Boost Boost Buck Buck Buck Buck
Channels(#) 3 3
Duty Cycle(Max)(%) 100 100 100 100 100 100
Type Converter (Integrated Switch) Converter Converter
Switching Frequency(Max)(kHz) 2600 2600 2400 2400 2400 2400
Switching Frequency(Min)(kHz) 1600 1600 1500 1500 1500 1500
Regulated Outputs(#) 1 1 2 2 2 2
Estimated Package Size (WxL)(mm2) [pf]5SOT-23[/pf] ,[pf]16WSON[/pf] ,[pf]16WSON[/pf] ,[pf]16WSON[/pf]
Vref Accuracy(Typ)(%) 2.5
Undervoltage Lockout Fixed
Soft Start Fixed Fixed Fixed Fixed
Preset Vout(V) 1
Vout(Min)(V) 1.1 1.1 1 1 1 1
Compensation Internal
Market Segment Consumer & Portable Electronics
Control Mode Voltage Mode Voltage Mode Voltage Mode
Switch Current Limit(Typ)(A) 1.2
Vout2(Min)(V) 1.8 1.8 1.8
Switching Frequency(Typ)(kHz) 2000 2000 2000
Vout2(Max)(V) 3.3 3.3 3.3
Features Dynamic Voltage Scaling,Enable,I2C,Light Load Efficiency,Synchronous Rectification
Fault Response Thermal Cycling
DC/DC Control PD and DC/DC
PD Power Level 13W
rDS(on) per FET(Typ)(mOhms) 1000
PoE Inrush Limit(Typ)(mA) 100
PoE Standards Supported 802.3at Type 1 (802.3af)
PoE Current Limit(Min)(mA) 390
Switching Frequency Programmable,Synchronizable