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UCC28780DT

Texas Instruments UCC28780DT

NCP1337

onsemi NCP1337

UCC287502DBVR

Texas Instruments UCC287502DBVR

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UCC28070PW

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UCC28180DR

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UCC28704DBVR-1

Texas Instruments UCC28704DBVR-1

Price
RoHS Y Compliant Y Compliant Compliant Yes Compliant Compliant Compliant Compliant
Lead Status See ti.com Y Yes Yes No No No No
Approx. Price (US$) 0.60 | 1ku 0.75 | 1ku 3.30 | 1ku 0.42 | 1ku 1.80 | 1ku 0.45 | 1ku 0.30 | 1ku
Features Zero Voltage Switching,Active Clamp Flyback Burst mode,CCM,Current limiting,Cycle-by-cycle over-current protection,Cycle-by-cycle overcurrent protection,DCM,Frequency Dithering,Light load efficiency,Light-load efficiency,Output short-circuit protection,Over Temperature Protection,Over Voltage Protection,Overcurrent protection,Overvoltage protection,SSR,Secondary-side regulated,Soft start,Under voltage lock out
Package Group SOIC,WQFN PDIP,SOIC,VSSOP PDIP,SOIC SOIC SOIC,TSSOP SOIC SOT-23
Frequency(Max)(kHz) 1000 1000 100 85
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Package Size mm2 mm2 mm2 mm2 mm2 mm2
Operating Temperature Range(C) -40 to 125 -40 to 105,-40 to 85 -40 to 85 -40 to 125 -40 to 125,-40 to 85 -40 to 125
Frequency(Min)(kHz) 34 0.68 1
UVLO Thresholds On/Off(V) 17.5/10 7/6.6 16/10 21/8 10.2/9.2 11.4/9.7 21/7.7
Duty Cycle(Max)(%) 99 100 99 99
Control Method Current Current CCM Current TM CCM Current
Control mode Secondary-side regulation
Device type Controllers
Duty cycle(max)(%) 80
Operating temperature range(C) -40
Package area(mm^2) 8.12
Package size (L x W)(mm) 2.9 x 2.8
Package type SOT-23
Pin count 6
Switching frequency(max)(kHz) 65
TI functional safety category
Topology Buck,Flyback Boost,Flyback,Forward
UVLO thresholds on/off(V) 15.3/9
TI.com inventory 0
Approx. price(US$) .12 | 1ku
Estimated Package Size (WxL)(mm2) [pf]8VSSOP[/pf]
Regulated Outputs(#) 1
Special Features Error Amplifier Average Current Mode,Enable,OVP Green Mode,HV Start-up,Input Line Monitor,Leading Edge Blanking,Light Load Efficiency,Low Power,Soft Start > 750W Applications,Average Current Mode,Interleaved,OVP USB Type-C Compatible
Operating Supply(Max)(V) 18 21 21
Peak Output Source Current Gate Drive(A) -1.2 -0.75 -1.5
Practical Operating Frequency(Max)(MHz) 0.2 0.3 0.25
Device Type PFC+PWM Interleaved PFC Single-phase PFC
Peak Output Sink Current Gate Drive(A) 1.2 0.75 2
Startup Current(mA) 0.15 20 0.075
Operating Supply Current(mA) 4 20 7