Digitally Programmable Regulators

Analog Devices manufactures a broad line of high performance dc-to-dc switching regulators that offer output voltages adjustable via a digital interface. Our products range from devices that offer simple adjustment of output voltage via the serial interface, to CPU core power applications controlled by VID or VRM, to full featured digital power management solutions.
Product Selection Table

Digitally Programmable Regulators

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SortOrderPart#Number of OutputsMax PhasesVin
(min)
(V)
Vin
(max)
(V)
Buck Output Current
(typ)
(A)
Voltage ControlFeaturesPrice (1000+)
($ US)
1LTM4686-1 (single output) 1 4 2.375 17 20 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $23.23 (LTM4686EV-1#PBF)
2LTM4686-1 (dual output) 2 4 2.375 17 10, 10 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $23.23 (LTM4686EV-1#PBF)
3LTM4686 (single output) 1 4 4.5 17 20 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $23.23 (LTM4686EV#PBF)
4LTM4686 (dual output) 2 4 4.5 17 10, 10 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $23.23 (LTM4686EV#PBF)
5LTM4678 (single output) 1 2, 3, 4, 6 4.5 16 50 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $47.48 (LTM4678EY#PBF)
6LTM4678 (dual output) 2 2, 3, 4, 6 4.5 16 25, 25 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $47.48 (LTM4678EY#PBF)
7LTC3882-1 (single output) 1 2, 3, 4, 6, 8 3 13.2 80 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3882EUJ-1#PBF)
8LTC3882-1 (dual output) 2 2, 3, 4, 6, 8 3 13.2 40, 40 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3882EUJ-1#PBF)
9LTC3884 (single output) 1 2, 4, 6 4.5 38 60 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $6.35 (LTC3884EUK#PBF)
10LTC3884 (dual output) 2 2, 4, 6 4.5 38 30, 30 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $6.35 (LTC3884EUK#PBF)
11LTM4676A (single output) 1 2, 3, 4, 6 4.5 26.5 26 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $33.95 (LTM4676AEY#PBF)
12LTM4676A (dual output) 2 2, 3, 4, 6 4.5 26.5 13, 13 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $33.95 (LTM4676AEY#PBF-ES)
13LTM4675 (single output) 1 4 4.5 17 18 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $24.00 (LTM4675EY#PBF)
14LTM4675 (dual output) 2 4 4.5 17 9, 9 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $24.00 (LTM4675EY#PBF)
15LTC3886 (single output) 1 2, 4, 6 4.5 60 30 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $6.35 (LTC3886EUKG#PBF)
16LTC3886 (dual output) 2 2, 4, 6 4.5 60 15, 15 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $6.35 (LTC3886EUKG#PBF)
17LTC3877 (single output) 1 12, 2, 3, 4, 6, 8 4.5 38 60 VID Differential Remote Sense, External Synchronization, PolyPhase, Power Good, Resistor Set Frequency, VID Voltage Programming $3.94 (LTC3877EUK#PBF)
18LTC3877 (dual output) 2 12, 2, 3, 4, 6, 8 4.5 38 30, 30 VID Differential Remote Sense, External Synchronization, PolyPhase, Power Good, Resistor Set Frequency, VID Voltage Programming $3.94 (LTC3877EUK#PBF)
19LTC3887 (single output) 1 2, 4, 6 4.5 24 60 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $5.47 (LTC3887EUJ#PBF)
20LTC3887 (dual output) 2 2, 4, 6 4.5 24 30, 30 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $5.47 (LTC3887EUJ-1#PBF)
21LTM4677 (single output) 1 2, 3, 4, 6 4.5 16 36 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $39.60 (LTM4677EY#PBF)
22LTM4677 (dual output) 2 2, 3, 4, 6 4.5 16 18, 18 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer $39.60 (LTM4677EY#PBF)
23LTC3815 1 1 2.25 5.5 6 PMBus Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor $4.71 (LTC3815EUFE#PBF)
24LTC3882 (single output) 1 2, 3, 4, 6, 8 3 13.2 80 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3882EUJ#PBF)
25LTC3882 (dual output) 2 2, 3, 4, 6, 8 3 13.2 40, 40 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3882EUJ#PBF)
26ADP5080 8- 4 15 800m, 1.15, 1.5, 2, 3 I2C I2C Interface $3.99 (ADP5080ACBZ-1-RL)
27LTM4676--------
28LTC3676 7 1 2.7 5.5 1.5, 1.5, 2.5, 2.5 I2C Adjustable Slew Rate, Burst Mode, DDR Mode, LDO, Power Good, Pushbutton Reset $5.50 (LTC3676EUJ#PBF)
29LTC3375 8 1 2.25 5.5 1, 1, 1, 1, 1, 1, 1, 1 I2C Burst Mode, External Synchronization, I2C Control, Resistor Set Frequency, Temperature Monitor, Tracking, Watchdog Timer $5.45 (LTC3375EUK#PBF)
30ADP5050 5- 4.5 15 1.2, 1.2, 4, 4 I2C I2C Interface $4.39 (ADP5050ACPZ-R7)
31LTC3883 1 2, 3, 4, 6 4.5 24 30 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $4.82 (LTC3883EUH#PBF)
32LTC3880 (single output) 1 2, 3, 4, 6 4.5 24 60 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3880EUJ#PBF)
33LTC3880 (dual output) 2 2, 3, 4, 6 4.5 24 30, 30 PMBus ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Control, Margining, PMBus, PolyPhase, Sequencing, Tracking $5.35 (LTC3880EUJ-1#PBF)
34LTC3816 1 1 4.5 36 25 IMVP-6, IMVP-6.5, IMVP-6+ Active Voltage Positioning, Adjustable Slew Rate, DCR Current Sense, Differential Remote Sense, External Synchronization, Power Good, VID $3.25 (LTC3816EUHF#PBF)
35LTC3675 7 1 2.7 5.5 500m, 500m, 1, 1 I2C Adjustable Slew Rate, Burst Mode, I2C Control $5.05 (LTC3675EUFF#PBF)
36LTC3589-2 8 1 2.7 5.5 1, 1, 1.6 I2C Adjustable Slew Rate, I2C Control, Power Good, Pushbutton Reset, Selectable Switching Frequency $4.65 (LTC3589EUJ-2#PBF)
37LTC3589-1 8 1 2.7 5.5 1, 1, 1.6 I2C Adjustable Slew Rate, I2C Control, Power Good, Pushbutton Reset, Selectable Switching Frequency $4.65 (LTC3589EUJ-1#PBF)
38LTC3589 8 1 2.7 5.5 1, 1, 1.6 I2C Adjustable Slew Rate, I2C Control, Power Good, Pushbutton Reset, Selectable Switching Frequency $4.65 (LTC3589EUJ#PBF)
39LTC3562 4 1 2.85 5.5 400m, 400m, 600m, 600m I2C 100% Duty Cycle, Adjustable Slew Rate, Burst Mode, I2C Control $3.25 (LTC3562EUD#PBF)
40LTC3819 1 2 4 36 45 SUN CPU VRM Burst Mode, Differential Remote Sense, PolyPhase, Power Good, VID $4.35 (LTC3819EG#PBF)
41LTC3447 1 1 2.5 5.5 600m SMBus/I2C Burst Mode, I2C Control $1.95 (LTC3447EDD#PBF)
42LTC3445 3 1 2.5 5.5 600m SMBus/I2C Adjustable Slew Rate, I2C Control, LDO, PowerPath, Spread Spectrum $2.45 (LTC3445EUF#PBF)
43LTC3738 1 3 3.8 36 60 VRM 9.0, VRM10 Active Voltage Positioning, External Synchronization, PolyPhase, Power Good, Selectable Switching Frequency, VID $4.65 (LTC3738CUHF#PBF)
44LTC3733-1 1 3 4 36 60 AMD Hammer VRM Active Voltage Positioning, Burst Mode, External Synchronization, PolyPhase, Power Good, Selectable Switching Frequency, VID $4.65 (LTC3733CUHF-1#PBF)
45LTC3733 1 3 4 36 60 AMD Hammer VRM Active Voltage Positioning, Burst Mode, PolyPhase, Power Good, Selectable Switching Frequency, VID $4.35 (LTC3733CG#PBF)
46LTC3735 1- 4 36 40 Banias, Centrino PolyPhase, Power Good, Resistor Set Frequency, Soft Start, VID $4.45 (LTC3735EG#PBF)
47LTC3734 1 1 4 30 25 Banias VRM, Centrino VRM Power Good, Resistor Set Frequency, VID $3.05 (LTC3734EUH#PBF)
48LTC3732 1 3 4 36 60 VRM 9.0, VRM 9.1 Burst Mode, External Synchronization, PLL, PolyPhase, Power Good, VID $4.35 (LTC3732CG#PBF)
49LTC3720 1 1 4 36 20 VRM8.5 Active Voltage Positioning, Power Good, Resistor Set Frequency, VID $3.05 (LTC3720EGN#PBF)
50LTC3730 1 3 4 36 60 VRM9.X Burst Mode, External Synchronization, PLL, PolyPhase, Power Good, VID $4.35 (LTC3730CG#PBF)
51LTC3719 1 2 4 36 40 AMD Hammer VRM Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID $4.35 (LTC3719EG#PBF)
52LTC3716 1 2 4 36 20 Mobile VRM Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID $4.35 (LTC3716EG#PBF)
53LTC1909-8 1 2 4 36 25 SMBus/I2C Active Voltage Positioning, Power Good, Resistor Set Frequency, VID $5.05 (LTC1909-8EG#PBF)
54LTC1709-85 1 2 4 36 40 VRM8.5 PolyPhase, VID $4.75 (LTC1709EG-85#PBF)
55LTC3714 1 2 4 36 20 Mobile VRM, Transmeta VRM Active Voltage Positioning, Power Good, Resistor Set Frequency, VID $3.05 (LTC3714EG#PBF)
56LTC3711 1 2 4 36 20 Mobile VRM Power Good, Resistor Set Frequency, VID $3.50 (LTC3711EGN#PBF)
57LTC1705 3 2 3.15 5.5 20, 20 Mobile VRM PolyPhase, VID $5.35 (LTC1705EGN#PBF)
58LTC1709-7 1 2 4 36 40 Mobile VRM PolyPhase, VID $4.75 (LTC1709EG-7#PBF)
59LTC1709-9 1 2 4 36 40 VRM9.0 PolyPhase, VID $4.75 (LTC1709EG-9#PBF)
60LTC1709-8 1 2 4 36 40 VRM8.4 PolyPhase, VID $4.75 (LTC1709EG-8#PBF)
61LTC1708-PG 2 2 4 36 25, 25 Mobile VRM Active Voltage Positioning, Burst Mode, PolyPhase, VID $4.60 (LTC1708EG-PG#PBF)
62LTC1873 2 2 2.7 7 25, 25 VRM8.4 PolyPhase, VID $5.20 (LTC1873EG#PBF)
63LTC1703 1 2 3 7 25 Mobile VRM PolyPhase, VID $5.20 (LTC1703CG#PBF)
64LTC1736 1 2 4 36 20 Mobile VRM, Transmeta VRM Active Voltage Positioning, External Synchronization, Power Good, Resistor Set Frequency, VID $3.50 (LTC1736CG#PBF)
65LTC1709 1 2 4 36 40 VRM 8.4 PolyPhase, VID $4.75 (LTC1709EG#PBF)
66LTC1753 1 2 4.7 12 20 VRM8.4 VID $2.80 (LTC1753CSW#PBF)