Switching Regulators

Analog Devices offers a wide range of switching regulators that operate in step up (boost), step down (buck), and inverting modes. These devices are capable of generating a fixed or adjustable output voltage, and offer up to 2 A of output current. Some of the features available in ADI’s portfolio of switching regulators are low battery detector, user adjustable current limit, a variety of switching frequencies, and a reduced number of external components. This highly integrated, versatile family of products is intended to minimize external components for space challenged applications.
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Switching Regulators

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SortOrderPart#Number of OutputsVin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
Switch Current
(typ)
(A)
MonolithicIsupply
(typ)
(A)
TopologyPrice (1000+)
($ US)
1LTC7840 2 5.5 60- 60 No 3m Boost, Flyback, Sepic-
2LTC3372 5 4.5 60 20 20 No 33µ Buck-
3LT8708-1 1 2.8 80 15- No 4.7m Buck-Boost-
4LT8708 1 2.8 80 15- No 3.9m Buck-Boost-
5ADP1071-2 1 4.5 60-- Yes 3.8m Flyback-
6ADP1071-1 1 450m 6-- Yes 3.8m Flyback-
7LTM8074 1 3.2 40 1.2- Yes Buck-
8LTM8071 1 3.6 60 5- Yes Buck-
9LTM8002 1 3.4 40 2.5- Yes 25µ Buck-
10LTC3894 1 4.5 150 10- No 21µ Buck-
11LT8361 1 2.8 60- 2 Yes 22µ Boost, Inverting, Sepic-
12LTM4686-1 (single output) 1 2.375 17 20 18 Yes 20m Buck-
13LTM4686-1 (dual output) 2 2.375 17 10 18 Yes 20m Buck-
14LTM4686 (single output) 1 4.5 17 20 18 Yes 20m Buck-
15LTM4686 (dual output) 2 4.5 17 10 18 Yes 20m Buck-
16LTM4678 (single output) 1 4.5 16 50 40 Yes 20m Buck-
17LTM4678 (dual output) 2 4.5 16 25 40 Yes 20m Buck-
18LTM4662 2 4.5 20 15 22 Yes 20m Buck-
19LTM4653 1 3.1 58 4- Yes 450µ Buck-
20LTM4646 2 4.5 20 10- Yes 17m Buck-
21LTC7815 3 2.5 38 25 25 No 38µ Boost, Buck-
22LTC7810 2 4.5 140 15 15 No 78µ Buck-
23LTC3777 1 4.5 150 10- No 3.6m Buck-Boost-
24LT8646S 1 3.4 65 8 14 Yes 17µ Buck-
25LT8642S 1 2.8 18 10 18 Yes 230µ Buck-
26LT8619 1 3 60 1.2 1.75 Yes Buck-
27ADP5138 5 3 5.5 1 1.6 Yes 6m Buck-
28ADP5003 2 4.2 15 3 3.5 Yes 1m Buck-
29LTM4661 1 700m 5.5- 4 Yes 8.5m Boost-
30LTC7821 1 10 72 25 25 No 500µ Buck-
31LT8643S-2 1 3.4 42 6 10 Yes 1.7µ Buck-
32LT8640S-2 1 3.4 42 6 10 Yes 1.7µ Buck-
33LT8603 4 3 42 2.5 4 Yes 28µ Boost, Buck-
34LT8364 1 2.8 60- 5 Yes Boost, Inverting, Sepic-
35LTC3882-1 (single output) 1 3 13.2 80 80 No 32m Buck-
36LTC3882-1 (dual output) 2 3 13.2 40 40 No 32m Buck-
37LTM8001 6 6 36 5 5 Yes 26m Buck, LDO-
38LTM8065 1 3.4 40 2.5- Yes Buck-
39LTM8063 1 3.2 40 2- Yes Buck-
40LTM4651 1 3.6 58- 20 Yes 450µ Inverting-
41LTM4645 1 4.7 15 25 30 Yes 11m Buck-
42LTC3874-1 1 4.5 38 25 25 No 4.6m Buck-
43LTC3779 1 4.5 150 10- No 3.6m Buck-Boost-
44LT8711 1 4.5 42- 20 No 15µ Boost, Buck, Buck-Boost, Sepic, Zeta-
45LT8650S 2 3 42 4 8.5 Yes 3.7µ Buck-
46ADP1074 1 1 60-- No- Flyback, Forward-
47LTM4622A 2 3.6 20 2 4 Yes 500µ Buck-
48LTC7801 1 4 140 10 10 No 40µ Buck-
49LTC7800 1 4 60 20 25 No 50µ Buck-
50LTC7150S 1 3.1 20 20 24 Yes 2m Buck-