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TPS71257DRCR

Texas Instruments TPS71257DRCR

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TPS62228DDCT

Texas Instruments TPS62228DDCT

Price $0.90 $2.27 $1.28 $0.77 $0.60 $1.68 $1.11
RoHS Yes Yes Compliant Compliant Yes Compliant Yes Yes Compliant Yes
Lead Status Yes Yes Yes No Yes Yes No Yes
Iq(Typ)(mA) 0.3 0.08 0.05 0.031 0.086 0.015
Vout2(Max)(V) 5.4
Approx. Price (US$) 0.80 | 1ku 1.05 | 1ku 0.65 | 1ku 0.68 | 1ku 0.53 | 1ku 0.70 | 1ku 0.90 | 1ku 0.53 | 1ku
Vout2(Min)(V) 1.2
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Accuracy(%) 3 2
Iout(Max)(A) 0.25 1 0.1 0.6 0.5 0.4
Vin(Min)(V) 2.7 2.7 1.8 2.3 2.7 2.5 2.5
Vin(Max)(V) 5.5 10 3.6 5.5 6 6.5 6
Operating Temperature Range(C) -40 to 125 -40 to 125 -40 to 85 -40 to 125 -40 to 85 -40 to 85 -40 to 85 -40 to 85
Vout(Max)(V) 5.4 5.5 3.3 1.82 1.5 1.875
Package Size mm2 mm2 mm2 mm2
Fixed Output Options(V) 1.8,2.8,2.85 1.5,1.8,2.5,2.7,2.8,3,3.3,5
Noise(uVrms) 32 55
Special Features Enable Enable,Frequency Synchronization Active Low Enable,Manual Reset Enable,Light Load Efficiency,Synchronous Rectification Enable,Frequency Synchronization,Light Load Efficiency,Output Discharge,Synchronous Rectification Enable,Light Load Efficiency,Synchronous Rectification
Regulated Outputs(#) 2 1 1 1 1 1
PSRR @ 100KHz(dB) 37 29
Thermal Resistance JA(C/W) N/A
Vout(Min)(V) 1.2 1.2 3.3 1.82 1.5 1.875
Vdo(Typ)(mV) 125 230
Package Group VSON HTSSOP,SOIC HTSSOP SOT-23,WSON DSBGA VSON VSON SOT-23-THIN
Output Capacitor Type Ceramic Non-Ceramic
Output Options Adjustable Output,Fixed Output Adjustable Output,Fixed Output
Iout2(A) 0.25
Additional Features Enable,Overcurrent Protection,Power Good,Thermal Shutdown
Type Charge Pump Converter Converter Converter
Switching Frequency(Min)(kHz) 200 5400 2650 800
Switching Frequency(Max)(kHz) 400 6600 3350 1850
Threshold Voltage 1(Typ)(V) Adjustable,0.84,1.12,1.16,1.4,1.67,1.77,2.33,2.79,3.07,4.65
Output Driver Type / Reset Output Active-low,Open-drain
VCC(Min)(V) 1.8
VCC(Max)(V) 6.5
Reset Threshold Accuracy(%) 2
# of Supplies Monitored 1
Watchdog Timer WDI(sec) None
Monitored Voltage 1 (typ)(Nom)(V) Adjustable,0.9,1.2,1.25,1.5,1.8,1.9,2.5,3,3.3,5
Time Delay(ms) Programmable
Iq(Typ)(uA) 2.4
Monitored Voltage 2 (typ)(Nom)(V) N/A
Threshold Voltage 2 (typ)(Typ)(V) N/A
Duty Cycle(Max)(%) 100 100 100
Control Mode Voltage Mode Voltage Mode Voltage Mode
Number of Switches 2
Enable Active Low
rDS(on) per FET(Typ)(mOhms) 45
Current Limit(A) 0.25 to 2.5
Current Limit Accuracy @ 1A +/-7.5% (2590mA min / 3005mA max)
Current Limit Topology Constant-Current
Continuous Current(Max)(A) 2.5