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TPS25940LRVCR

Texas Instruments TPS25940LRVCR

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TPS3305-33DGNRG4

Texas Instruments TPS3305-33DGNRG4

Price $1.35 $1.07 $2.05
RoHS Compliant Compliant Compliant Compliant Compliant Compliant Yes Yes Yes Compliant
Lead Status No No Yes No No No Yes Yes Yes Yes
Current Limit Type Adjustable
Current Limit Function Enabled Always
Operating Temperature Range(C) -40 to 85 -40 to 125 -40 to 85 -40 to 125 -40 to 85 -40 to 85 -40 to 125 -40 to 85 -40 to 85 -40 to 85
Special Features Adjustable Rise Time,Current Sense/Monitor,Fault Reporting,Overvoltage Protection,Power Good,Reverse Current Protection,Thermal Shutdown,Undervoltage Protection Integrated FET,Over Current Reporting,Over Temp Reporting Comm Control,Dynamic Voltage Scaling,Enable,I2C Control,Power Good,Power Sequencing,UVLO Enable,Output Discharge Quick Output Discharge,Vbias Enable,Light Load Efficiency,Output Discharge,Spread Spectrum,Synchronous Rectification Active Low Enable,Manual Reset,Watchdog Timer
Vin(Max)(V) 18 57 5.5 5.5 5.5 5.5 6.5 4.8
Imax(A) 5.2 6
Overvoltage Protection Yes
Package Group WQFN HTQFP DSBGA SOT-23-THIN,WSON WSON SOIC SOT-23,WSON DSBGA SC70 MSOP-PowerPAD,SOIC
Ron(Typ)(mOhm) 42 4.4
UL Recognition Yes
FET Protection Thermal
Current Limit(Max)(A) 5.2
Number of Channels(#) 1 1
Vin(Min)(V) 2.7 21.5 2.5 2.2 0.8 2.7 2.7 2.3
Vabsmax_cont(V) 20
Approx. Price (US$) 0.85 | 1ku 7.50 | 1ku 0.25 | 1ku 0.50 | 1ku 0.73 | 1ku 0.23 | 1ku 0.46 | 1ku 0.95 | 1ku 1.05 | 1ku
Rise Time(Typ)(us) Adjustable 1991
Current Limit Accuracy +/-8%
Estimated Package Size (WxL)(mm2) [pf]20WQFN[/pf]
Current Limit(Min)(A) 0.6
MPS Method AC/DC Disconnect
ICUT 615mA TYP
No. of PSE Ports 4
Package Size mm2 mm2 mm2 mm2 mm2 mm2 mm2 mm2
rDS(on) per FET(Typ)(mOhms) 1300
PoE Standards Supported 802.3at Type 1 (802.3af)
ILIM 650mA TYP
Pair Control Alternative A/B
Regulated Outputs(#) 20 1 1 1
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Step-Down DC/DC Converter 9
Vout(Min)(V) 0.5 1.8 1.2 1.05
LDO 11
Vout(Max)(V) 3.3 3.6 3.3 1.05
Iout(Max)(A) 8 0.15 0.15 0.65
Processor Name TegraT40,TegraAP40
Processor Supplier Nvidia
Switching Frequency(Max)(kHz) 5000 6600
Switching Frequency(Typ)(kHz) 3000
Noise(uVrms) 86
Accuracy(%) 3 2
Output Options Fixed Output Fixed Output
Iq(Typ)(mA) 0.0005 0.001 0.017
Thermal Resistance JA(C/W) 66
Vdo(Typ)(mV) 130 245
Fixed Output Options(V) 1.8,2.2,2.3,2.5,2.7,2.8,3,3.3,3.6 1.2,1.5,1.8,2.5,2.8,3,3.3
Output Capacitor Type Ceramic Ceramic
PSRR @ 100KHz(dB) 13
Shutdown Current (ISD)(Typ)(uA) 1.1
Quiescent Current (Iq)(Max)(uA) 26.2
Ron @1.8V(Typ)(mOhm) 4.4
Quiescent Current (Iq)(Typ)(uA) 20.4
HBM ESD(kV) 2
Output Rise Time @ 1.8V(Typ)(us) 1001
Ron @4.5V(Typ)(mOhm) 4.4
Enable Active Low
Continuous Current(Max)(A) 1
Current Limit Topology Constant-Current
Number of Switches 2
USB Switch rDS(on)(mOhms) 70
Additional Features Enable,Overcurrent Protection,Reverse Current Protection,Thermal Shutdown
Switching Frequency(Min)(kHz) 5400
Duty Cycle(Max)(%) 100
Type Converter
Control Mode Voltage Mode
Output Driver Type / Reset Output Active-low,Open-drain Active-low,Push-pull
Time Delay(ms) 0 200
Iq(Typ)(uA) 3.5 15
VCC(Max)(V) 6.5 6
VCC(Min)(V) 1.8 2.7
Monitored Voltage 2 (typ)(Nom)(V) Adjustable 3.3
Threshold Voltage 1(Typ)(V) 3 4.55
Monitored Voltage 1 (typ)(Nom)(V) 3 5
Threshold Voltage 2 (typ)(Typ)(V) Adjustable 2.93
Watchdog Timer WDI(sec) None 1.6
# of supplies monitored 2
Reset Threshold Accuracy(%) 1.25 2.7
# of Supplies Monitored 2