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TPS2042BDRG4

Texas Instruments TPS2042BDRG4

Price $1.55 $1.42 $1.38 $0.83 $0.74
RoHS Yes Compliant Compliant Yes Compliant Compliant Yes Compliant Compliant Compliant
Lead Status Yes Yes Yes No No Yes No Yes No
Duty Cycle(Max)(%) 100 100 100 93
Switching Frequency(Min)(kHz) 800 2000 800
Operating Temperature Range(C) -40 to 85 -40 to 125 -40 to 85 -40 to 85 -40 to 125 -40 to 85 -40 to 85 -40 to 85 -40 to 85
Vout(Max)(V) 1.2 5.5 6 6.5 1.875 26
Vout(Min)(V) 1.2 1.2 0.6 1.2 1.875 2.7
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Regulated Outputs(#) 1 1 2 1 1
Switching Frequency(Max)(kHz) 1850 2500 1850 600
Iout(Max)(A) 0.4 1 0.8 0.2 0.4
Package Group SOT HTSSOP,SOIC VSON SOT-23 DSBGA,SOT,WSON MSOP-PowerPAD SOT WSON MSOP-PowerPAD,SOIC,SON
Special Features Enable,Light Load Efficiency,Synchronous Rectification Dynamic Voltage Scaling,Enable,Light Load Efficiency,Synchronous Rectification Active Low Enable,Manual Reset Enable Enable,Light Load Efficiency,Synchronous Rectification 1-Wire interface (EasyScale),Load Disconnect During Shutdown
Iq(Typ)(mA) 0.015 0.08 0.032 0.04 0.015
Control Mode Voltage Mode Voltage Mode Voltage Mode
Vin(Min)(V) 2.5 2.7 2.5 2.7 2.9 2.5 2.7 2.7
Approx. Price (US$) 0.53 | 1ku 1.05 | 1ku 0.80 | 1ku 0.80 | 1ku 0.28 | 1ku 1.35 | 1ku 0.53 | 1ku 0.43 | 1ku 0.70 | 1ku
Type Converter Converter Converter Inductive
Vin(Max)(V) 6 10 6 6.5 5.5 6 18 5.5
Accuracy(%) 2 2
Fixed Output Options(V) 1.5,1.8,2.5,2.7,2.8,3,3.3,5 1.2,1.25,1.3,1.5,1.8,1.85,1.9,1.95,2,2.1,2.5,2.6,2.7,2.75,2.8,2.85,3,3.15,3.2,3.3,4.2,4.5
PSRR @ 100KHz(dB) 29 38
Output Options Adjustable Output,Fixed Output Adjustable Output,Fixed Output
Additional Features Enable,Overcurrent Protection,Power Good,Thermal Shutdown
Package Size mm2 mm2 mm2 mm2 mm2 mm2
Vdo(Typ)(mV) 230 100
Noise(uVrms) 55 29
Output Capacitor Type Non-Ceramic Ceramic
Threshold Voltage 1(Typ)(V) 1.14,1.43,1.71
Reset Threshold Accuracy(%) 3.7
Iq(Typ)(uA) 14
# of Supplies Monitored 1
Time Delay(ms) 180
VCC(Min)(V) 0.75
Watchdog Timer WDI(sec) 1.4
Output Driver Type / Reset Output Active-high,Active-low,Open-drain
VCC(Max)(V) 3.3
Monitored Voltage 2 (typ)(Nom)(V) N/A
Threshold Voltage 2 (typ)(Typ)(V) N/A
Monitored Voltage 1 (typ)(Nom)(V) 1.2,1.5,1.8
rDS(on) per FET, Bus Power(Typ)(mOhms) 340
LDO Output Current(mA) 200
Number of FETs 2
Application DSP,PDA
Switch Enable L
Ports(Max) 2
LDO Output Range(V) 3.3
Switch Current Limit Bus Power(Min)(A) 0.2
LED(#) 6
Peak Efficiency(%) 90
Channels(#) 1
LED Current Per Channel(mA) 20
Shutdown Current(Typ)(uA) 1
Topology Boost
USB Switch rDS(on)(mOhms) 70
Number of Switches 2
Enable Active Low
Current Limit Topology Constant-Current
Continuous Current(Max)(A) 0.5