数字可编程稳压器
Analog Devices 制造了门类宽泛的高性能 DC-DC 开关稳压器，可通过一个数字接口提供输出电压调节。我们提供的产品从通过串行接口进行输出电压简单调节的器件、到受控于 VID 或 VRM 的 CPU 内核电源应用、再到全功能数字电源管理解决方案均在其列。
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最新优势资源
设计笔记
- DN554 - 具数字电源系统管理功能的 6A 单片式同步 DC/DC 降压型转换器 PDF
- DN547 - 具相位扩展器的 VID 控制器可为最新一代的 FPGA、ASIC 和处理器提供 120A 电源 PDF
- DN542 - 具数字电源系统管理功能的双通道 9A、降压型 μModule 稳压器 PDF
- DN199 - LTC1735 Provides Low Cost, Efficient Mobile CPU Power PDF
- DN326 - 3-Phase LTC3733 Provides High Performance Power Solutions for AMD Opteron and Athlon 64 Processors PDF
技术文章
- AN168 - Implementing Fast Telemetry with Power System Management Controllers
- 具数字电源系统管理功能的 6A 单片式同步 DC/DC 降压型转换器
- 具相位扩展器的 VID 控制器可为最新一代的 FPGA、ASIC 和处理器提供 120A 电源
- 具数字电源系统管理功能的双通道 9A、降压型 μModule 稳压器
- Linduino PSM
应用笔记
- AN170 - Honing the Adjustable Compensation Feature of Power System Management Controllers PDF
- AN168 - Implementing Fast Telemetry with Power System Management Controllers PDF
- AN-166: In Flight Update with Linduino PDF
- AN-155: Fault Log Decoding with Linduino PSM PDF
- AN-152: Power System Management Addressing (Rev. A) PDF
数字可编程稳压器
| SortOrder | Part# | Number of Outputs | Max Phases | Vin (min) (V) | Vin (max) (V) | Buck Output Current (typ) (A) | Voltage Control | Features | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC3888-1 | 2 | 16 | 4.5 | 26.5 | 800 | - | 100% Duty Cycle, 10-bit ADC, Adjustable Switching Frequency, Buck, Burst Mode, DCR Current Sense, Digital Telemetry, Digitally Programmable, EEPROM, Fault Logging, I2C Interface, Output Current Limit, Output Current Monitor, Overcurrent limiting, Overtemperature Protection, Overvoltage Protection, Pass-Thru, PMBus, PolyPhase, Power Good, Programmable Output Current Limit, Programmable Output Voltage, Shutdown, Soft Start, Voltage Monitor | $5.69 (LTC3888EUHG-1#PBF) |
| 2 | LT3380 | 7 | - | 2.7 | 5.5 | 1.5, 1.5, 2.5, 2.5 | I2C | Adjustable Slew Rate, Anti-Phase Switching, I2C Interface, LDO, LDO Post Regulator, Power Good, Sequencing | $4.50 (LT3380EUJM#PBF) |
| 3 | ADP5360 | 3 | - | 4.1 | 6.8 | 500m | I2C | ADC, I2C Interface, Integrated Coulomb Counter, Push Button Controller, Watchdog Timer | $1.71 (ADP5360ACBZ-1-R7) |
| 4 | LTC3889 | 2 | 6 | 5 | 60 | 20, 20 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $7.63 (LTC3889EUKG#PBF) |
| 5 | LTM4686-1 (single output) | 1 | 4 | 2.375 | 17 | 20 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $23.23 (LTM4686EV-1#PBF) |
| 6 | LTM4686-1 (dual output) | 2 | 4 | 2.375 | 17 | 10, 10 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $23.23 (LTM4686EV-1#PBF) |
| 7 | LTM4686 (single output) | 1 | 4 | 4.5 | 17 | 20 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $23.23 (LTM4686EV#PBF) |
| 8 | LTM4686 (dual output) | 2 | 4 | 4.5 | 17 | 10, 10 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $23.23 (LTM4686EV#PBF) |
| 9 | LTM4678 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $47.48 (LTM4678EY#PBF) |
| 10 | LTM4678 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $47.48 (LTM4678EY#PBF) |
| 11 | LTC3883 | 1 | 2, 3, 4, 6 | 4.5 | 24 | 30 | PMBus | ADC, Burst Mode, DCR Current Sense, Differential Remote Sense, EEPROM, External Synchronization, I2C Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $4.82 (LTC3883EUH#PBF) |
| 12 | LTC3884 (single output) | 1 | 2, 4, 6 | 4.5 | 38 | 60 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $6.35 (LTC3884EUK#PBF) |
| 13 | LTC3884 (dual output) | 2 | 2, 4, 6 | 4.5 | 38 | 30, 30 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $6.35 (LTC3884EUK#PBF) |
| 14 | LTC3882-1 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3882EUJ-1#PBF) |
| 15 | LTC3882-1 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3882EUJ-1#PBF) |
| 16 | LTM4676A (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $33.95 (LTM4676AEY#PBF) |
| 17 | LTM4676A (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $33.95 (LTM4676AEY#PBF) |
| 18 | LTM4675 (single output) | 1 | 4 | 4.5 | 17 | 18 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $24.00 (LTM4675EY#PBF) |
| 19 | LTM4675 (dual output) | 2 | 4 | 4.5 | 17 | 9, 9 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $24.00 (LTM4675EY#PBF) |
| 20 | LTC3886 (single output) | 1 | 2, 4, 6 | 4.5 | 60 | 30 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $6.35 (LTC3886EUKG#PBF) |
| 21 | LTC3886 (dual output) | 2 | 2, 4, 6 | 4.5 | 60 | 15, 15 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $6.35 (LTC3886EUKG#PBF) |
| 22 | LTC3877 (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 | $3.94 (LTC3877EUK#PBF) |
| 23 | LTC3877 (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 | $3.94 (LTC3877EUK#PBF) |
| 24 | LTC3887 (single output) | 1 | 2, 4, 6 | 4.5 | 24 | 60 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $5.47 (LTC3887EUJ#PBF) |
| 25 | LTC3887 (dual output) | 2 | 2, 4, 6 | 4.5 | 24 | 30, 30 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $5.47 (LTC3887EUJ-1#PBF) |
| 26 | LTM4677 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $39.60 (LTM4677EY#PBF) |
| 27 | LTM4677 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking, Watchdog Timer | $39.60 (LTM4677EY#PBF) |
| 28 | LTC3815 | 1 | 1 | 2.25 | 5.5 | 6 | PMBus | EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $4.71 (LTC3815EUFE#PBF) |
| 29 | ADP1052 | 1 | - | 3 | 3.6 | - | PMBus | EEPROM, PMBus | $4.20 (ADP1052ACPZ-R7) |
| 30 | LTC3882 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3882EUJ#PBF) |
| 31 | LTC3882 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3882EUJ#PBF) |
| 32 | ADP1055 | 1 | - | 3 | 3.6 | - | PMBus | EEPROM, PMBus | $4.60 (ADP1055ACPZ-R7) |
| 33 | ADP5080 | 8 | 1 | 4 | 15 | 800m, 1.15, 1.5, 2, 3 | I2C | Adjustable Switching Frequency, I2C Interface, Integrated Charge Pump | $3.99 (ADP5080ACBZ-1-RL) |
| 34 | ADP1050 | 1 | - | 3 | 3.6 | - | PMBus | EEPROM, PMBus | $3.40 (ADP1050ACPZ-R7) |
| 35 | LTC3676 | 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, Push Button Controller | $5.50 (LTC3676EUJ#PBF) |
| 36 | ADP1051 | 1 | - | 3 | 3.6 | - | PMBus | EEPROM, PMBus | $3.90 (ADP1051ACPZ-R7) |
| 37 | LTC3375 | 8 | 1 | 2.25 | 5.5 | 1, 1, 1, 1, 1, 1, 1, 1 | I2C | Burst Mode, External Synchronization, I2C Interface, Resistor Set Frequency, Temperature Monitor, Tracking, Watchdog Timer | $5.45 (LTC3375EUK#PBF) |
| 38 | ADP5050 | 5 | 1 | 4.5 | 15 | 1.2, 1.2, 4, 4 | I2C | Adjustable Switching Frequency, I2C Interface, Integrated Charge Pump | $4.39 (ADP5050ACPZ-R7) |
| 39 | ADP1046A | 1 | - | 3 | 3.6 | - | I2C | EEPROM, I2C Interface | $4.50 (ADP1046AACPZ-R7) |
| 40 | ADP1053 | 1 | - | 3 | 3.6 | - | PMBus | EEPROM, PMBus | $5.30 (ADP1053ACPZ-R7) |
| 41 | LTC3880 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3880EUJ#PBF) |
| 42 | LTC3880 (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 Interface, Margining, PMBus, PolyPhase, Sequencing, Tracking | $5.35 (LTC3880EUJ-1#PBF) |
| 43 | LTC3816 | 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) |
| 44 | LTC3675 | 7 | 1 | 2.7 | 5.5 | 500m, 500m, 1, 1 | I2C | Adjustable Slew Rate, Burst Mode, I2C Interface | $5.05 (LTC3675EUFF#PBF) |
| 45 | LTC3589-2 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, Adjustable Switching Frequency, I2C Interface, Power Good, Push Button Controller | $4.65 (LTC3589EUJ-2#PBF) |
| 46 | LTC3589-1 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, Adjustable Switching Frequency, I2C Interface, Power Good, Push Button Controller | $4.65 (LTC3589EUJ-1#PBF) |
| 47 | LTC3589 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, Adjustable Switching Frequency, I2C Interface, Power Good, Push Button Controller | $4.65 (LTC3589EUJ#PBF) |
| 48 | LTC3562 | 4 | 1 | 2.85 | 5.5 | 400m, 400m, 600m, 600m | I2C | 100% Duty Cycle, Adjustable Slew Rate, Burst Mode, I2C Interface | $3.25 (LTC3562EUD#PBF) |
| 49 | LTC3819 | 1 | 2 | 4 | 36 | 45 | SUN CPU VRM | Burst Mode, Differential Remote Sense, PolyPhase, Power Good, VID | $4.35 (LTC3819EG#PBF) |
| 50 | LTC3447 | 1 | 1 | 2.5 | 5.5 | 600m | SMBus/I2C | Burst Mode, I2C Interface | $1.95 (LTC3447EDD#PBF) |
| 51 | LTC3445 | 3 | 1 | 2.5 | 5.5 | 600m | SMBus/I2C | Adjustable Slew Rate, I2C Interface, LDO, PowerPath, Spread Spectrum | $2.45 (LTC3445EUF#PBF) |
| 52 | LTC3738 | 1 | 3 | 3.8 | 36 | 60 | VRM 9.0, VRM10 | Active Voltage Positioning, Adjustable Switching Frequency, External Synchronization, PolyPhase, Power Good, VID | $4.65 (LTC3738CUHF#PBF) |
| 53 | LTC3733-1 | 1 | 3 | 4 | 36 | 60 | AMD Hammer VRM | Active Voltage Positioning, Adjustable Switching Frequency, Burst Mode, External Synchronization, PolyPhase, Power Good, VID | $4.65 (LTC3733CUHF-1#PBF) |
| 54 | LTC3733 | 1 | 3 | 4 | 36 | 60 | AMD Hammer VRM | Active Voltage Positioning, Adjustable Switching Frequency, Burst Mode, PolyPhase, Power Good, VID | $4.35 (LTC3733CG#PBF) |
| 55 | LTC3735 | 1 | - | 4 | 36 | 40 | Banias, Centrino | PolyPhase, Power Good, Resistor Set Frequency, Soft Start, VID | $4.45 (LTC3735EG#PBF) |
| 56 | LTC3734 | 1 | 1 | 4 | 30 | 25 | Banias VRM, Centrino VRM | Power Good, Resistor Set Frequency, VID | $3.05 (LTC3734EUH#PBF) |
| 57 | LTC3732 | 1 | 3 | 4 | 36 | 60 | VRM 9.0, VRM 9.1 | Burst Mode, External Synchronization, PolyPhase, Power Good, VID | $4.35 (LTC3732CG#PBF) |
| 58 | LTC3720 | 1 | 1 | 4 | 36 | 20 | VRM8.5 | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $3.05 (LTC3720EGN#PBF) |
| 59 | LTC3730 | 1 | 3 | 4 | 36 | 60 | VRM9.X | Burst Mode, External Synchronization, PolyPhase, Power Good, VID | $4.35 (LTC3730CG#PBF) |
| 60 | LTC3719 | 1 | 2 | 4 | 36 | 40 | AMD Hammer VRM | Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID | $4.35 (LTC3719EG#PBF) |
| 61 | LTC3716 | 1 | 2 | 4 | 36 | 20 | Mobile VRM | Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID | $4.35 (LTC3716EG#PBF) |
| 62 | LTC1909-8 | 1 | 2 | 4 | 36 | 25 | SMBus/I2C | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $5.05 (LTC1909-8EG#PBF) |
| 63 | LTC1709-85 | 1 | 2 | 4 | 36 | 40 | VRM8.5 | PolyPhase, VID | $4.75 (LTC1709EG-85#PBF) |
| 64 | LTC3714 | 1 | 2 | 4 | 36 | 20 | Mobile VRM, Transmeta VRM | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $3.05 (LTC3714EG#PBF) |
| 65 | LTC3711 | 1 | 2 | 4 | 36 | 20 | Mobile VRM | Power Good, Resistor Set Frequency, VID | $3.50 (LTC3711EGN#PBF) |
| 66 | LTC1705 | 3 | 2 | 3.15 | 5.5 | 20, 20 | Mobile VRM | PolyPhase, VID | $5.35 (LTC1705EGN#PBF) |
| 67 | LTC1709-7 | 1 | 2 | 4 | 36 | 40 | Mobile VRM | PolyPhase, VID | $4.75 (LTC1709EG-7#PBF) |
| 68 | LTC1709-9 | 1 | 2 | 4 | 36 | 40 | VRM9.0 | PolyPhase, VID | $4.75 (LTC1709EG-9#PBF) |
| 69 | LTC1709-8 | 1 | 2 | 4 | 36 | 40 | VRM8.4 | PolyPhase, VID | $4.75 (LTC1709EG-8#PBF) |
| 70 | LTC1708-PG | 2 | 2 | 4 | 36 | 25, 25 | Mobile VRM | Active Voltage Positioning, Burst Mode, PolyPhase, VID | $4.60 (LTC1708EG-PG#PBF) |
| 71 | LTC1873 | 2 | 2 | 2.7 | 7 | 25, 25 | VRM8.4 | PolyPhase, VID | $5.20 (LTC1873EG#PBF) |
| 72 | LTC1703 | 1 | 2 | 3 | 7 | 25 | Mobile VRM | PolyPhase, VID | $5.20 (LTC1703CG#PBF) |
| 73 | LTC1736 | 1 | 2 | 4 | 36 | 20 | Mobile VRM, Transmeta VRM | Active Voltage Positioning, External Synchronization, Power Good, Resistor Set Frequency, VID | $3.50 (LTC1736CG#PBF) |
| 74 | LTC1709 | 1 | 2 | 4 | 36 | 40 | VRM 8.4 | PolyPhase, VID | $4.75 (LTC1709EG#PBF) |
| 75 | LTC1753 | 1 | 2 | 4.7 | 12 | 20 | VRM8.4 | VID | $2.80 (LTC1753CSW#PBF) |
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