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UCC3957M-3

Texas Instruments UCC3957M-3

UCC2580N-4G4

Texas Instruments UCC2580N-4G4

UCC38C43DR

Texas Instruments UCC38C43DR

UCC2808N-1G4

Texas Instruments UCC2808N-1G4

UCC3626PW

Texas Instruments UCC3626PW

UCC1804J883B

Texas Instruments UCC1804J883B

UCC2580D-3G4

Texas Instruments UCC2580D-3G4

UC3903DW

Texas Instruments UC3903DW

SN74AUC1G04DRLRG4

Texas Instruments SN74AUC1G04DRLRG4

UCC28C41DGK

Texas Instruments UCC28C41DGK

Price $2.18 $3.92 $4.76 $1.77
RoHS Compliant Yes Compliant Compliant Yes Not Compliant Compliant Yes Compliant Yes
Lead Status No Yes No No Yes No No Yes Yes
Frequency(Min)(kHz) 26 26
Duty Cycle(Max)(%) 100 49 50 50
Operating Temperature Range(C) 0 to 70 -40 to 85 0 to 70 -55 to 125 0 to 70 -40 to 105
Approx. Price (US$) 0.60 | 1ku 1.05 | 1ku 6.10 | 1ku 2.21 | 1ku 0.75 | 1ku
Frequency(Max)(kHz) 1000 1000 1000 1000
Control Method Peak Current Mode Current Current Peak Current Mode
Rating Catalog Catalog Catalog Military Catalog Catalog
Vin(Min)(V) 9 8.3 8.3 8
UVLO Thresholds On/Off(V) 8.4/7.6 12.5/8.3 12.5/8.3 7/6.6
Topology Boost,Buck,Buck-Boost,Flyback,Forward Push-Pull Boost,Flyback,Forward Boost,Buck,Buck-Boost,Flyback,Forward
Special Features Error Amplifier,Multi-topology Error Amplifier,Multi-topology,Soft Start Brushless DC Motor Control,Current-Limited,Diff Curr Sense Amp,Switching Control,Tachometer Error Amplifier,Leading Edge Blanking,Soft Start Negative Voltage Monitoring,Over Voltage Sense Error Amplifier,Multi-topology
Package Group PDIP,SOIC,VSSOP PDIP,SOIC SOIC,TSSOP CDIP SOIC,PLCC SOIC,VSSOP
Vin(Max)(V) 400 15 12 400
Gate Drive(Typ)(A) 1 1 1
Operating Supply(Max)(V) 14.5
Operating Supply Current(mA) 3
Package Size mm2 mm2 mm2
Operating Supply(Min)(V) 11
Peak Output Current(A) 0.1
Output Driver Type / Reset Output Active-low,Open-drain
Monitored Voltage 2 (typ)(Nom)(V) Adjustable
Threshold Voltage 1(Typ)(V) 1.8
Iq(Typ)(uA) 7000
Threshold Voltage 2 (typ)(Typ)(V) Adjustable
Watchdog Timer WDI(sec) None
Threshold Voltage 4 (typ)(Typ)(V) Adjustable
Reset Threshold Accuracy(%) 5
Time Delay(ms) Programmable
VCC(Max)(V) 40
Monitored Voltage 3 (typ)(Nom)(V) Adjustable
Monitored Voltage 4 (typ)(Nom)(V) Adjustable
# of supplies monitored 4
Monitored Voltage 1 (typ)(Nom)(V) Adjustable
VCC(Min)(V) 8
Threshold Voltage 3 (typ)(Typ)(V) Adjustable