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UC1844AMDREP

Texas Instruments UC1844AMDREP

UC2903NG4

Texas Instruments UC2903NG4

UC3836D

Texas Instruments UC3836D

UCC281DP-ADJ

Texas Instruments UCC281DP-ADJ

UC2872DWTR

Texas Instruments UC2872DWTR

UC39431D

Texas Instruments UC39431D

UCC28C41D

Texas Instruments UCC28C41D

UCC2808AN-1

Texas Instruments UCC2808AN-1

UC2852NG4

Texas Instruments UC2852NG4

UCC3580N-3G4

Texas Instruments UCC3580N-3G4

Price $10.25 $5.20 $1.77 $2.51
RoHS Yes Compliant Yes Yes Yes Compliant Yes Yes Compliant Compliant
Lead Status Yes No Yes Yes Yes Yes Yes Yes No No
Package Size mm2 mm2 mm2 mm2
Package Group SOIC PDIP,SOIC,PLCC SOIC SOIC SOIC SOIC SOIC,VSSOP PDIP,SOIC,TSSOP PDIP,SOIC
Rating HiRel Enhanced Product Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Frequency(Max)(kHz) 500 200 1000 1000
Special Features Error Amplifier Negative Voltage Monitoring,Over Voltage Sense External Sync,Lamp Intensity Control,Open Lamp Detect,Soft Start Error Amplifier,Multi-topology Error Amplifier,Multi-topology,Soft Start < 150W Applications,Transition Mode Control
Control Method Current Peak Current Mode Voltage
Vin(Max)(V) 30 36 9 24 400 15
Operating Temperature Range(C) -55 to 125 -40 to 85 0 to 70 -40 to 85 -40 to 85 0 to 70 -40 to 105 -40 to 85 -40 to 85
Duty Cycle(Max)(%) 50 50 49 95
Vin(Min)(V) 10 6 1.8 4.5 8 8.3
UVLO Thresholds On/Off(V) 16/10 7/6.6 12.5/8.3 16.3/11.5
Output Driver Type / Reset Output Active-low,Open-drain
VCC(Max)(V) 40
Watchdog Timer WDI(sec) None
Time Delay(ms) Programmable
Threshold Voltage 2 (typ)(Typ)(V) Adjustable
VCC(Min)(V) 8
Threshold Voltage 1(Typ)(V) 1.8
Monitored Voltage 1 (typ)(Nom)(V) Adjustable
Reset Threshold Accuracy(%) 3
Threshold Voltage 3 (typ)(Typ)(V) Adjustable
Monitored Voltage 2 (typ)(Nom)(V) Adjustable
Threshold Voltage 4 (typ)(Typ)(V) Adjustable
# of supplies monitored 4
Monitored Voltage 3 (typ)(Nom)(V) Adjustable
Estimated Package Size (WxL)(mm2) [pf]20PLCC[/pf] [pf]8SOIC[/pf]
Monitored Voltage 4 (typ)(Nom)(V) Adjustable
Approx. Price (US$) 2.52 | 1ku 5.67 | 1ku 2.63 | 1ku 4.62 | 1ku 4.75 | 1ku 0.75 | 1ku 1.05 | 1ku 1.87 | 1ku
Iq(Typ)(uA) 7000
Output Options Adjustable Output Adjustable Output,Fixed Output
Vout(Min)(V) 2.5 1.2
Vout(Max)(V) 35 8.8
Thermal Resistance JA(C/W) 150
Iq(Typ)(mA) 3.7 0.4
Accuracy(%) 2.5
Features Reverse Current Protection,Single Channel LDO
Vdo(Typ)(mV) 500
PSRR @ 100KHz(dB) 22
Regulated Outputs(#) 1
Iout(Max)(A) 1
Fixed Output Options(V) 5
Output Capacitor Type Non-Ceramic
Shutdown Current(mA) 1
Control Topology Push-Pull
Supply Current(mA) 11
On Board Reference 2.82,3.12,5.1,7.8,10.42,12.24/0.7
Reference Voltage(V) 1.3
Operating Supply Current(mA) 0.5 6
Vref tol(%) 0.8
Operating Supply(Min)(V) 2.2
Output Current(A) 0.1
Package Size(mm2=WxL) [pf]8SOIC[/pf]
Operating Supply(Max)(V) 36 30
Frequency(Min)(kHz) 26
Topology Boost,Buck,Buck-Boost,Flyback,Forward Push-Pull
Gate Drive(Typ)(A) 1 1
Startup Current(mA) 0.4
Practical Operating Frequency(Max)(MHz) 0.2