Step-Down (Buck) Regulators

Analog Devices manufactures a broad line of high performance, step-down buck switching regulator ICs and buck switching controller ICs with both synchronous and nonsynchronous switches. These switching voltage regulators offer typical input voltage capability from less than 2 V up to 100 V+, switching frequencies up to 4 MHz, and high efficiency operation up to 96%. With burst mode operation, quiescent currents in the tens of micro-amps level can be attained. This combination of features allows for very small, low profile buck switching regulator circuit implementations with minimum external components.
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Step-Down (Buck) Regulators

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SortOrderPart#Number of OutputsVin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
MonolithicVout Min
(typ)
(V)
SynchronousIsupply
(typ)
(A)
US Price 1000 to 4999
($ US)
1LTM4646 2 4.5 20 10 Yes 600m Yes 17m-
2LTC7815 3 2.5 38 25 No 800m Yes 38µ $4.35 (LTC7815EUHF#PBF)
3LT8646S 1 3.4 65 8 Yes 970m Yes 17µ $5.95 (LT8646SEV#PBF)
4LT8619 1 3 60 1.2 Yes 800m Yes $2.65 (LT8619EDD#PBF)
5LTM8065 1 3.4 40 2.5 Yes 970m Yes $7.75 (LTM8065EY#PBF)
6LTM4645 1 4.7 15 25 Yes 600m Yes 11m $26.23 (LTM4645EY#PBF)
7LTC3874-1 1 4.5 38 25- 600m Yes 4.6m $2.47 (LTC3874EUF-1#PBF)
8LT8711 1 4.5 42- No 800m Yes 15µ $2.30 (LT8711EUDC#PBF)
9LT8650S 2 3 42 4 Yes 800m Yes 3.7µ $5.75 (LT8650SEV#PBF)
10LTM4622A 2 3.6 20 2 Yes 1.5 Yes 500µ $7.15 (LTM4622AEV#PBF)
11LTC7801 1 4 140 10 No 800m Yes 40µ $4.20 (LTC7801EUFD#PBF)
12LTC7800 1 4 60 20 No 800m Yes 50µ $3.47 (LTC7800EUDC#PBF)
13LTC7150S 1 3.1 20 20 Yes 600m Yes 2m $5.60 (LTC7150SEY#PBF)
14LTC7124 2 3.1 17 3.5 Yes 600m Yes 5.5µ $4.05 (LTC7124EUDD#PBF)
15LTC7103 1 4.4 105 2.3 Yes 1 Yes $4.50 (LTC7103EUHE#PBF)
16LTC3636-1 2 3.1 20 6 Yes 1.8 Yes 600µ $4.45 (LTC3636EUFD-1#PBF)
17LTC3636 2 3.1 20 6 Yes 600m Yes 600µ $4.45 (LTC3636EUFD#PBF)
18LT8643S 1 3.4 42 6 Yes 970m Yes 21µ $4.65 (LT8643SEV#PBF)
19LT8609S 1 3 42 2 Yes 774m Yes 1.7µ $2.75 (LT8609SEV#PBF)
20ADP5014 4 2.75 6 4 Yes 500m Yes 7m $2.99 (ADP5014ACPZ-R7)
21LTC7821 1 10 72 25 No 900m Yes 500µ $5.20 (LTC7821EUH#PBF)
22LT8603 4 3 42 2.5 Yes 1 Yes 28µ $5.35 (LT8603EUJ#PBF)
23LTC3882-1 (single output) 1 3 13.2 80 No 500m Yes 32m $5.35 (LTC3882EUJ-1#PBF)
24LTC3882-1 (dual output) 2 3 13.2 40 No 500m Yes 32m $5.35 (LTC3882EUJ-1#PBF)
25LTM8001 6 6 36 5 Yes 1.2 No 26m $17.40 (LTM8001EY#PBF)
26LTM8063 1 3.2 40 2 Yes 800m Yes $6.95 (LTM8063EY#PBF)
27LT8606 1 3 42 350m Yes 778m Yes 1.7µ $2.05 (LT8606EDC#TRPBF)
28LTM8073 1 3.4 60 3 Yes 800m Yes 275µ $10.58 (LTM8073EY#PBF)
29LTM4650A-1 (dual output) 2 4.5 16 25 Yes 600m Yes 4.5m $48.00 (LTM4650AEY-1#PBF)
30LTM4650A (dual output) 2 4.5 16 25 Yes 600m Yes 4.5m $48.00 (LTM4650AEY#PBF)
31LTM4636-1 1 4.7 15 40 Yes 600m Yes 16m $40.10 (LTM4636EY-1#PBF)
32LT8645S 1 3.4 65 8 Yes 970m Yes 1.7µ $5.95 (LT8645SEV#PBF)
33LT8640S 1 3.4 42 6 Yes 970m Yes 1.7µ $4.65 (LT8640SEV#PBF)
34LT8607 1 3 42 750m Yes 778m Yes 1.7µ $2.15 (LT8607EMSE#PBF)
35ADP5003 2 4.2 15 3 Yes 600m Yes 1m $2.49 (ADP5003ACPZ-R7)
36LTM4643 4 4 20 3 Yes 600m Yes 2m $19.90 (LTM4643EV#PBF)
37LTC3871 1 1.2 100 30 No 1.2 Yes 8m $5.40 (LTC3871ELXE#PBF)
38LTC3623 1 4 15 5 Yes- Yes 1.45m $3.95 (LTC3623EUDD#PBF)
39LTC3374A 8 2.25 5.5 1 Yes 800m Yes 45µ $4.65 (LTC3374AEUHF#PBF)
40LTC3126 1 2.4 42 2.5 Yes 818m Yes 5.5µ $6.25 (LTC3126EUFD#PBF)
41ADP2443 1 4.5 36 3 Yes 600m Yes- $2.14 (ADP2443ACPZN-R7)
42LTM8053 1 3.4 40 3.5 Yes 970m Yes 575µ $9.66 (LTM8053EY#PBF)
43LTM8003 1 3.4 40 3.5 Yes 970m Yes 12m $11.30 (LTM8003IY-3.3#PBF)
44LTM4642 (single output) 1 4.5 20 8 Yes 600m Yes 22m $16.00 (LTM4642EY#PBF)
45LTM4642 (dual output) 2 4.5 20 4 Yes 600m Yes 22m $16.00 (LTM4642EY#PBF)
46LTM4631 (single output) 1 4.5 15 20 Yes 600m Yes 4m $24.88 (LTM4631EV#PBF)
47LTM4631 (dual output) 2 4.5 15 10 Yes 600m Yes 4m $24.88 (LTM4631EV#PBF)
48LTC3895 1 4 140 10 No 800m Yes 40µ $4.70 (LTC3895EFE#PBF)
49LT8610AX 1 3.7 42 3.5 Yes 970m Yes 26µ $125.00 (LT8610AXMSE#PBF)
50ADP2360 1 4.5 60 50m Yes 800m Yes 165µ $1.15 (ADP2360ACPZ-3.3-R7)