LT8640/LT8640-1 Step-Down Regulators

Analog Devices Inc. LT8640/LT8640-1 Step-Down Regulators feature Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. An ultralow 2.5µA quiescent current—with the output in full regulation—enables applications requiring the highest efficiency at very small load currents. The LT8640/LT8640-1 allows high VIN to low VOUT conversion at high frequency with a fast minimum top switch on-time of 30ns. The SYNC/MODE pin selects between Burst Mode operation, spread spectrum mode, synchronization to an external clock, and either pulse-skipping (LT8640) or forced continuous mode (LT8640-1).

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Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
7 099På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
199På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
175På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
5 692På lager
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Reel, Cut Tape, MouseReel
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
179På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C AEC-Q100 LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
91På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
84På lager
728På beställningen
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
5 440På lager
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 2.5 uA, 300 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Reel, Cut Tape, MouseReel
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
2 095På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
6 350På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 6A Sync Buck Silent Switcher 2 w/ 2
Datablad
7 189På lager
Min.: 1
Multipla: 1
Max.: 500

SMD/SMT LQFN-24 Buck 970 mV to 41.58 V 6 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640S Tray
Analog Devices Switchande spänningsregulatorer 42V, 6A Sync Buck Silent Switcher 2 w/ 2
Datablad
5 099På lager
Min.: 1
Multipla: 1

SMD/SMT LQFN-24 Buck 970 mV to 41.58 V 6 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 150 C LT8640S Tray
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
1 358På lager
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 1.7 uA, 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Reel, Cut Tape, MouseReel
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
862På lager
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 1.7 uA, 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Reel, Cut Tape, MouseReel
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
835På lager
3 830På beställningen
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 150 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
158På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
57På lager
1 001På beställningen
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 300 uA 200 kHz to 3 MHz - 40 C + 150 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
52På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
390På lager
2 500Förväntad 2027-04-07
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 2.5 uA, 300 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Reel, Cut Tape, MouseReel
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
25På lager
1 820På beställningen
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
100På lager
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C AEC-Q100 LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 6A Synchronous Step-Down Silent Swi
Datablad
9På lager
1 080Förväntad 2027-03-04
Min.: 1
Multipla: 1

SMD/SMT QFN-24 Buck 6 A 1 Output 1.7 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640S Tray
Analog Devices Switchande spänningsregulatorer 42V, 6A Sync Buck Silent Switcher 2 w/ 2
Datablad
15På lager
10 260På beställningen
Min.: 1
Multipla: 1

SMD/SMT LQFN-24 Buck 970 mV to 41.58 V 6 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640S Tray
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
10 533På beställningen
Min.: 1
Multipla: 1

SMD/SMT QFN-18 Buck 970 mV to 41.9 V 5 A 1 Output 2.5 uA 200 kHz to 3 MHz - 40 C + 125 C LT8640 Tube
Analog Devices Switchande spänningsregulatorer 42V, 5A Sync Buck Silent Switcher w/ 2.5
Datablad
5 676Förväntad 2027-04-28
MouseReel tillgängligt
Min.: 1
Multipla: 1
: 2 500

SMD/SMT QFN-18 Buck 970 mV to 41.58 V 5 A 1 Output 2.5 uA, 300 uA 200 kHz to 3 MHz - 40 C + 150 C LT8640 Reel, Cut Tape, MouseReel