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Three Current Limit Levels
SGM2581C/D/I: 2100 ± 220mA
Input Voltage Range: 2.5V to 5.5V
Quiescent Current: 23μA (TYP)
Shutdown Current: 0.1μA (TYP)
Soft-Start Function
Thermal Shutdown Protection
Under-Voltage Lockout Protection for VIN
No Reversed Leakage Current (Reverse Blocking)
Fault Flag (nFAULT) with 13ms Filter Eliminates
False Assertions
Automatic Output Discharge in Shutdown Mode(SGM2581A/B/C/D/E/F)
Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC,
Test Program 1 with CB Report (SGM2581A/C/E)
Available in Green SOT-23-5 Package
ABSOLUTE MAXIMUM RATINGS
All Pins...............................................................................6V
nFAULT Current ...........................................................25mA
Power Dissipation, PD @ TA = +25℃
SOT-23-5.......................................................................0.3W
Package Thermal Resistance
SOT-23-5, θJA ......................................................... 220℃/W
SOT-23-5, θJC ........................................................... 93℃/W
Junction Temperature.................................................+150℃
Storage Temperature Range ........................-65℃ to +150℃
Lead Temperature (Soldering, 10s)............................+260℃
ESD Susceptibility
HBM.............................................................................2000V
MM.................................................................................400V
CDM ............................................................................1000V
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range...........................................2.5V to 5.5V
EN Voltage Range............................................ -0.3V to 5.5V
All Other Pins.........................................................0V to 5.5V
Operating Junction Temperature Range.......-40℃ to +125℃
Operating Ambient Temperature Range.........-40℃ to +85℃
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Reviews
- C
Craig Perez
Apr 25, 2025
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TRGreat job on the speedy delivery and helpful service.HelpfulUnhelpful - W
Walter David Graham
Feb 23, 2025
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TRI'm so glad I can shop online from the comfort of my own home.HelpfulUnhelpful - C
Clay Longardner
Nov 05, 2024
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TRThe item arrived undamaged.HelpfulUnhelpful - A
Alan J Diamond
Jul 24, 2024
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TRHope so. Only company that has it and can get it here by Friday.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TRAll was ok! No problems whatsoever.HelpfulUnhelpful
SGMICRO IC Integrated Circuit ChipSGM2581CYN5G/TR
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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