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Manufacturer Part Number Manufacturer Series Packaging Function Output Configuration Topology Output Type Number of Outputs Voltage Input Min Voltage Input Max Voltage Output Max Current Output Frequency Switching Operating Temperature Mounting Type Package Case Supplier Device Package Voltage Output MinFixed Synchronous Rectifier Lifecycle
Lifecycle
1417286 A4491EESTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 3 4.5V 23V 20.7V - 550kHz -40°C ~ 85°C (TA) Surface Mount 20-WFQFN Exposed Pad 20-QFN (4x4) 0.8V No Active
1417652 A8583KLPTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4.7V 36V 36V 3.5A 250kHz ~ 2.45MHz -40°C ~ 125°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-TSSOP-EP 0.8V No Active
1417655 A8585KLKTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 550kHz - Surface Mount 10-LSOP (0.154", 3.90mm Width) Exposed Pad 10-SOIC 5V No Active
1417661 A8591KEJTR-J-1 Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 2MHz -40°C ~ 150°C (TA) Surface Mount 10-WFDFN Exposed Pad 10-DFN-EP (3x3) 3.3V No Active
1419878 A8586KLJTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 3.8V 36V 30V 3.5A 200kHz ~ 4MHz -40°C ~ 150°C (TJ) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Active
1421604 A4403GEUTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 9V 46V 46V 3A 450kHz ~ 2MHz -40°C ~ 105°C (TA) Surface Mount 16-WQFN Exposed Pad 16-QFN (4x4) 0.8V No Active
1422010 A4490EESTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 3 4.5V 34V 30.6V - 550kHz -40°C ~ 85°C (TA) Surface Mount 20-WFQFN Exposed Pad 20-QFN (4x4) 0.8V No Active
1422738 A8651KLPTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 2 2.5V 5.5V 5.5V 2A 350kHz ~ 2.2MHz -40°C ~ 125°C (TA) Surface Mount 20-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-TSSOP 0.8V Yes Obsolete
1423544 A8591KEJTR-J Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 2MHz -40°C ~ 150°C (TA) Surface Mount 10-WFDFN Exposed Pad 10-DFN-EP (3x3) 5V No Active
1425019 A4412KLVTR-T Allegro MicroSystems, LLC * - - - - - - - - - - - - - - - - - Active
1426597 A8586KEJTR-T Allegro MicroSystems, LLC * - - - - - - - - - - - - Surface Mount - 10-DFN - - Active
1426598 A8587KEJTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 3.8V 36V 30V 2A 2MHz -40°C ~ 150°C (TJ) Surface Mount 10-WFDFN Exposed Pad 10-DFN 0.8V No Active
1426650 A8586KLJTR-T-1 Allegro MicroSystems, LLC * Tape & Reel (TR) - - - - - - - - - - - Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC Exposed Pad - - Active
1426651 A8586KLJTR-T-2 Allegro MicroSystems, LLC * Tape & Reel (TR) - - - - - - - - - - - Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC Exposed Pad - - Active
1427395 A4490EES-T Allegro MicroSystems, LLC - Tube Step-Down Positive Buck Adjustable 3 4.5V 34V 30.6V - 550kHz -40°C ~ 85°C (TA) Surface Mount 20-WFQFN Exposed Pad 20-QFN (4x4) 0.8V No Obsolete
1428133 A8498SLJ-T Allegro MicroSystems, LLC - Tube Step-Down Positive Buck Adjustable 1 8V 50V 24V 3A - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
1428134 A8697ELJ-T Allegro MicroSystems, LLC - Tube Step-Down Positive Buck Adjustable 1 8V 25V 20V 4A - -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
1428135 A8698ELJ-T Allegro MicroSystems, LLC - Tube Step-Down Positive Buck Adjustable 1 8V 25V 20V 3A - -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
1428494 A8670EESTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 7V 16V 16V 2A 200kHz ~ 1MHz -40°C ~ 85°C (TA) Surface Mount 20-WFQFN Exposed Pad 20-QFN (4x4) 0.6V No Obsolete
1428556 A8652KLPTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 36V 5.75V 1A 100kHz ~ 2MHz -40°C ~ 150°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-eTSSOP 3.3V Yes Active
1428568 A8654KLPTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 36V 36V 3A 100kHz ~ 2MHz -40°C ~ 150°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-eTSSOP-EP 0.8V Yes Active
1428574 A8653KLPTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 36V 5.75V 2.5A 100kHz ~ 2MHz -40°C ~ 150°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-eTSSOP 3.3V Yes Active
1429472 A4492EESTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 3 4.5V 34V 30.6V - 550kHz -40°C ~ 85°C (TA) Surface Mount 20-WFQFN Exposed Pad 20-QFN (4x4) 0.8V No Active
1429850 A8447SLJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 50V 24V 3A - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
1432222 A8590KLPTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 35V 10V 3A 2.4MHz -40°C ~ 125°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-TSSOP-EP 0.8V No Active
1432807 A8582KLPTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4.7V 36V 36V 2A 250kHz ~ 2.45MHz -40°C ~ 125°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-TSSOP-EP 0.8V No Active
1432934 A8589KLPTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 35V 10V 2.5A 250kHz ~ 2.4MHz -40°C ~ 125°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-TSSOP-EP 0.8V No Active
1432991 A8585KLKTR-T-1 Allegro MicroSystems, LLC Automotive, AEC-Q100 - Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 550kHz - - - - 3.3V No Active
1432992 A8585KLKTR-T-2 Allegro MicroSystems, LLC Automotive, AEC-Q100 - Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 550kHz - - - - 5V No Active
1432993 A8585KLKTR-T-3 Allegro MicroSystems, LLC Automotive, AEC-Q100 - Step-Down Positive Buck Fixed 1 4V 35V - 2A 300kHz ~ 550kHz - - - - 3.3V No Active
1433935 A8651KLPTR-T-1 Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 2 2.5V 5.5V 5.5V 2A 350kHz ~ 2.2MHz -40°C ~ 125°C (TA) Surface Mount 20-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-TSSOP 0.8V Yes Active
1434294 A8580KLPTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 4V 35V 10V 2.5A 252kHz ~ 2.44MHz -40°C ~ 125°C (TA) Surface Mount 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 16-TSSOP-EP 0.8V No Discontinued
1434341 A8650KLYTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 2.5V 5.5V 5.5V 2A 250kHz ~ 2.45MHz -40°C ~ 125°C (TA) Surface Mount 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-MSOP-EP 0.8V Yes Active
1436972 A4447SLJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 50V 24V 2A - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Active
1436996 A8498SLJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 50V 24V 3A - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Active
1438822 A8483EEK-T Allegro MicroSystems, LLC - Tube Step-Up Positive Boost Adjustable 1 2.5V 10V 35V 350mA (Switch) 1.2MHz -40°C ~ 85°C (TA) Surface Mount 5-WDFN Exposed Pad 5-TDFN (3x3) 0.615V No Obsolete
1438823 A8499SLJ-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 50V 24V - - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 1.2V No Obsolete
1438824 A8483EEKTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Up Positive Boost Adjustable 1 2.5V 10V 35V 350mA (Switch) 1.2MHz -40°C ~ 85°C (TA) Surface Mount 5-WDFN Exposed Pad 5-TDFN (3x3) 0.615V No Obsolete
1438826 A8499SLJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 50V 24V - - -20°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 1.2V No Obsolete
1439074 A8698ELJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 25V 20V 3A - -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
1439077 A8697ELJTR-T Allegro MicroSystems, LLC - Tape & Reel (TR) Step-Down Positive Buck Adjustable 1 8V 25V 20V 4A - -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) Exposed Pad 8-SOIC-EP 0.8V No Obsolete
23543526 ARG81801KESJSR Allegro MicroSystems, LLC * Tape & Reel (TR) Alternate Packaging - - - - - - - - - - - Surface Mount, Wettable Flank 24-WFQFN Exposed Pad 24-QFN (4x4) - - Active
23557193 ARG81880KEJJTR Allegro MicroSystems, LLC Automotive, AEC-Q100 Tape & Reel (TR) Step-Down Positive Buck Fixed 1 3.5V 46V - 800mA 2.2MHz -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 10-WFDFN Exposed Pad 10-DFN-EP (3x3) 2.5V, 3.3V, 5V Yes Active
23557607 A8584KLPTR-T Allegro MicroSystems, LLC * - - - - - - - - - - - - - - - - - Active
23557818 A8650KEJTR-T Allegro MicroSystems, LLC Automotive, AEC-Q100 - Step-Down Positive Buck Adjustable 1 2.5V 5.5V - 2A 250kHz ~ 2.45MHz -40°C ~ 125°C (TA) Surface Mount 10-WFDFN Exposed Pad 10-DFN-EP (3x3) 0.8V Yes Active
23559120 ARG81401KLPATR Allegro MicroSystems, LLC * Tape & Reel (TR) - - - - - - - - - - - - - - - - Active
23560666 ARG81400KLVATR Allegro MicroSystems, LLC * Tape & Reel (TR) - - - - - - - - - - - - - - - - Active
23569276 A8650KEJTR-T-1 Allegro MicroSystems, LLC Automotive, AEC-Q100 - Step-Down Positive Buck Adjustable 1 2.5V 5.5V 5.5V 2A 250kHz ~ 2.45MHz -40°C ~ 125°C (TA) Surface Mount 10-WFDFN Exposed Pad 10-DFN-EP (3x3) 0.8V Yes Active

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