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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技术文章
- Versatile Industrial Power Supply Takes High Voltage Input and Yields from Eight 1A to Two 4A Outputs
- Linduino PSM
- LTC Power System Management Tips for Success
- High Performance Single Phase DC/DC Controller with Power System Management
- AN168 - Implementing Fast Telemetry with Power System Management Controllers
- 具数字接口的双输出 13A μModule 稳压器适用于电源的远程监测和控制
- 给 Altera Arria 10 FPGA 和 Arria 10 SoC 供电：经过测试和验证的电源管理解决方案
- 具数字电源系统管理功能的双通道 9A、降压型 μModule 稳压器
- 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
应用笔记
- AN168 - Implementing Fast Telemetry with Power System Management Controllers PDF
- AN166 - In Flight Update with Linduino PDF
- AN155 - Fault Log Decoding with Linduino PSM PDF
- AN152 - Power System Management Addressing PDF
- AN153 - 用于电源系统管理的 Linduino PDF
- AN145 - Overview of the EEPROM in LTC PSM Devices PDF
- AN149 - 开关模式电源的建模和环路补偿设计 PDF
- AN137 - Accurate Temperature Sensing with an External P-N Junction PDF
- AN135 - Implementing Robust PMBus System Software for the LTC3880 PDF
- AN84 - Linear Technology Magazine Circuit Collection, Volume IV PDF
- AN76 - OPTI-LOOP Architecture Reduces Output Capacitance and Improves Transient Response 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 | LTC3889 | 2 | 6 | 5 | 60 | 20, 20 | PMBus | Current Monitor, EEPROM, External Synchronization, Fault Logging, Internal Temp Monitor, Margining, PMBus, PolyPhase, Sequencing, Supervisor, Voltage Monitor | $7.63 (LTC3889EUKG#PBF) |
| 2 | LTM4686-1 (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) |
| 3 | LTM4686-1 (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) |
| 4 | LTM4686 (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) |
| 5 | LTM4686 (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) |
| 6 | 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) |
| 7 | 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) |
| 8 | LTC3884 (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) |
| 9 | LTC3884 (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) |
| 10 | 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) |
| 11 | 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) |
| 12 | 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) |
| 13 | 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 | - |
| 14 | LTM4675 (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) |
| 15 | LTM4675 (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) |
| 16 | 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) |
| 17 | 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) |
| 18 | LTC3887 (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) |
| 19 | LTC3887 (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) |
| 20 | 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) |
| 21 | 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) |
| 22 | LTC3815 | 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) |
| 23 | ADP1052 | 1 | - | 3 | 3.6 | - | - | - | $4.20 (ADP1052ACPZ-R7) |
| 24 | 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) |
| 25 | 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) |
| 26 | ADP1055 | 1 | - | 3 | 3.6 | - | - | - | $4.60 (ADP1055ACPZ-R7) |
| 27 | ADP5080 | 8 | 1 | 4 | 15 | 800m, 1.15, 1.5, 2, 3 | I2C | I2C Interface | $3.99 (ADP5080ACBZ-1-RL) |
| 28 | ADP1050 | 1 | - | 3 | 3.6 | - | - | - | $3.40 (ADP1050ACPZ-R7) |
| 29 | 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) |
| 30 | ADP1051 | 1 | - | 3 | 3.6 | - | - | - | $3.90 (ADP1051ACPZ-R7) |
| 31 | 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) |
| 32 | ADP5050 | 5 | 1 | 4.5 | 15 | 1.2, 1.2, 4, 4 | I2C | I2C Interface | $4.39 (ADP5050ACPZ-R7) |
| 33 | ADP1046A | 1 | - | 3 | 3.6 | - | - | - | $4.50 (ADP1046AACPZ-R7) |
| 34 | 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) |
| 35 | ADP1053 | 1 | - | 3 | 3.6 | - | - | - | $5.30 (ADP1053ACPZ-R7) |
| 36 | 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) |
| 37 | 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) |
| 38 | 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) |
| 39 | LTC3675 | 7 | 1 | 2.7 | 5.5 | 500m, 500m, 1, 1 | I2C | Adjustable Slew Rate, Burst Mode, I2C Interface | $5.05 (LTC3675EUFF#PBF) |
| 40 | LTC3589-2 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, I2C Interface, Power Good, Push Button Controller, Selectable Switching Frequency | $4.65 (LTC3589EUJ-2#PBF) |
| 41 | LTC3589-1 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, I2C Interface, Power Good, Push Button Controller, Selectable Switching Frequency | $4.65 (LTC3589EUJ-1#PBF) |
| 42 | LTC3589 | 8 | 1 | 2.7 | 5.5 | 1, 1, 1.6 | I2C | Adjustable Slew Rate, I2C Interface, Power Good, Push Button Controller, Selectable Switching Frequency | $4.65 (LTC3589EUJ#PBF) |
| 43 | ADP1043A | 1 | - | 3.15 | 3.6 | - | - | - | $4.64 (ADP1043AACPZ-R7) |
| 44 | 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) |
| 45 | LTC3886 (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) |
| 46 | LTC3886 (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) |
| 47 | LTC3819 | 1 | 2 | 4 | 36 | 45 | SUN CPU VRM | Burst Mode, Differential Remote Sense, PolyPhase, Power Good, VID | $4.35 (LTC3819EG#PBF) |
| 48 | LTC3447 | 1 | 1 | 2.5 | 5.5 | 600m | SMBus/I2C | Burst Mode, I2C Interface | $1.95 (LTC3447EDD#PBF) |
| 49 | LTC3445 | 3 | 1 | 2.5 | 5.5 | 600m | SMBus/I2C | Adjustable Slew Rate, I2C Interface, LDO, PowerPath, Spread Spectrum | $2.45 (LTC3445EUF#PBF) |
| 50 | LTC3738 | 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) |
| 51 | LTC3733-1 | 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) |
| 52 | LTC3733 | 1 | 3 | 4 | 36 | 60 | AMD Hammer VRM | Active Voltage Positioning, Burst Mode, PolyPhase, Power Good, Selectable Switching Frequency, VID | $4.35 (LTC3733CG#PBF) |
| 53 | LTC3735 | 1 | - | 4 | 36 | 40 | Banias, Centrino | PolyPhase, Power Good, Resistor Set Frequency, Soft Start, VID | $4.45 (LTC3735EG#PBF) |
| 54 | LTC3734 | 1 | 1 | 4 | 30 | 25 | Banias VRM, Centrino VRM | Power Good, Resistor Set Frequency, VID | $3.05 (LTC3734EUH#PBF) |
| 55 | LTC3732 | 1 | 3 | 4 | 36 | 60 | VRM 9.0, VRM 9.1 | Burst Mode, External Synchronization, PLL, PolyPhase, Power Good, VID | $4.35 (LTC3732CG#PBF) |
| 56 | LTC3720 | 1 | 1 | 4 | 36 | 20 | VRM8.5 | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $3.05 (LTC3720EGN#PBF) |
| 57 | LTC3730 | 1 | 3 | 4 | 36 | 60 | VRM9.X | Burst Mode, External Synchronization, PLL, PolyPhase, Power Good, VID | $4.35 (LTC3730CG#PBF) |
| 58 | LTC3719 | 1 | 2 | 4 | 36 | 40 | AMD Hammer VRM | Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID | $4.35 (LTC3719EG#PBF) |
| 59 | LTC3716 | 1 | 2 | 4 | 36 | 20 | Mobile VRM | Active Voltage Positioning, PolyPhase, Power Good, Resistor Set Frequency, VID | $4.35 (LTC3716EG#PBF) |
| 60 | LTC1909-8 | 1 | 2 | 4 | 36 | 25 | SMBus/I2C | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $5.05 (LTC1909-8EG#PBF) |
| 61 | LTC1709-85 | 1 | 2 | 4 | 36 | 40 | VRM8.5 | PolyPhase, VID | $4.75 (LTC1709EG-85#PBF) |
| 62 | LTC3714 | 1 | 2 | 4 | 36 | 20 | Mobile VRM, Transmeta VRM | Active Voltage Positioning, Power Good, Resistor Set Frequency, VID | $3.05 (LTC3714EG#PBF) |
| 63 | LTC3711 | 1 | 2 | 4 | 36 | 20 | Mobile VRM | Power Good, Resistor Set Frequency, VID | $3.50 (LTC3711EGN#PBF) |
| 64 | LTC1705 | 3 | 2 | 3.15 | 5.5 | 20, 20 | Mobile VRM | PolyPhase, VID | $5.35 (LTC1705EGN#PBF) |
| 65 | LTC1709-7 | 1 | 2 | 4 | 36 | 40 | Mobile VRM | PolyPhase, VID | $4.75 (LTC1709EG-7#PBF) |
| 66 | LTC1709-9 | 1 | 2 | 4 | 36 | 40 | VRM9.0 | PolyPhase, VID | $4.75 (LTC1709EG-9#PBF) |
| 67 | LTC1709-8 | 1 | 2 | 4 | 36 | 40 | VRM8.4 | PolyPhase, VID | $4.75 (LTC1709EG-8#PBF) |
| 68 | LTC1708-PG | 2 | 2 | 4 | 36 | 25, 25 | Mobile VRM | Active Voltage Positioning, Burst Mode, PolyPhase, VID | $4.60 (LTC1708EG-PG#PBF) |
| 69 | LTC1873 | 2 | 2 | 2.7 | 7 | 25, 25 | VRM8.4 | PolyPhase, VID | $5.20 (LTC1873EG#PBF) |
| 70 | LTC1703 | 1 | 2 | 3 | 7 | 25 | Mobile VRM | PolyPhase, VID | $5.20 (LTC1703CG#PBF) |
| 71 | 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) |
| 72 | LTC1709 | 1 | 2 | 4 | 36 | 40 | VRM 8.4 | PolyPhase, VID | $4.75 (LTC1709EG#PBF) |
| 73 | LTC1753 | 1 | 2 | 4.7 | 12 | 20 | VRM8.4 | VID | $2.80 (LTC1753CSW#PBF) |
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