外部电源开关升压控制器
ADI公司制造各种几乎适合任何应用的升压控制器。这些控制器具有宽输入电压范围和多输出功能，并且可以针对反激、正向或SEPIC转换器进行配置。此外，它们提供突发工作模式，可在轻负载下实现高效率，并且易于与外部时钟同步，同时拥有全面的保护特性。
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外部开关电源升压
| SortOrder | Part# | Number of Outputs | Max Phases | Vin (min) (V) | Vin (max) (V) | Switch Current (typ) (A) | Synchronous | Comments | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC7871 | 1 | 24 | 1.2 | 100 | - | Yes | Six-Phase, Synchronous Bidirectional Buck or Boost Controller | $3.60 (LTC7871ELWE#PBF) |
| 2 | LTC7841 | 1 | 12 | 4.5 | 60 | 25 | Yes | PolyPhase Synchronous Boost Controller with PMBus Interface | $3.95 (LTC7841EUHE#PBF) |
| 3 | LT8228 | 1 | 12 | 6 | 100 | 25 | Yes | Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection | $6.60 (LT8228EFE#PBF) |
| 4 | LTC7880 | 2 | 6 | 2.5 | 40 | 25 | Yes | 60V Dual Output Step-Up Controller with Digital Power System Management | $7.63 (LTC7880EUKG#PBF) |
| 5 | LT8551 | 1 | 18 | 3.6 | 80 | 100 | Yes | Multiphase Boost Converter Expander with Internal Gate Drivers | $2.95 (LT8551EUKG#PBF) |
| 6 | LTC7818 | 3 | - | 4.5 | 40 | 25 | Yes | 40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Synchronous Controller | $3.95 (LTC7818EUJ#PBF) |
| 7 | LTC7804 | 1 | - | 1 | 40 | 25 | Yes | Low IQ Synchronous Boost Controller with Pass-Thru/100% Duty Cycle Capability | $2.15 (LTC7804EMSE#PBF) |
| 8 | LTC7840 | 2 | 1, 12, 2, 4, 6, 8 | 5.5 | 60 | 60 | No | Configurable for Dual Phase Single/Dual Output Operation with Hiccup Mode | $3.20 (LTC7840EFE#PBF) |
| 9 | LTC7815 | 3 | 1 | 2.5 | 38 | 25 | Yes | Low IQ, 2.25MHz, Triple Output, Buck/Buck/Boost Synchronous Controller | $4.35 (LTC7815EUHF#PBF) |
| 10 | LT8711 | 1 | 1 | 4.5 | 42 | 20 | Yes | Micropower Synchronous Multitopology Controller with 42V Input Capability | $2.30 (LT8711EUDC#PBF) |
| 11 | LTC1871X | 1 | 1 | 2.5 | 36 | 20 | No | Wide Input Range, Boost, Flyback and SEPIC Controller, 175C Max Junction Temp | $125.00 (LTC1871XMS#PBF) |
| 12 | LTC3897-2 | 1 | 4 | 4.5 | 65 | 30 | Yes | PolyPhase Synchronous Boost Controller with Input/ Output Protection | $5.50 (LTC3897EUHG-2#PBF) |
| 13 | LTC3897 | 1 | 4 | 4.5 | 65 | 30 | Yes | PolyPhase Synchronous Boost Controller with Input/ Output Protection | $5.50 (LTC3897EFE#PBF) |
| 14 | LTC3871 | 1 | 12 | 1.2 | 100 | 30 | Yes | Bidirectional PolyPhase Synchronous Buck or Boost Controller | $5.40 (LTC3871ELXE#PBF) |
| 15 | LTC7813 | 2 | 1 | 2.2 | 60 | 25 | Yes | Low IQ, 60V Synchronous Boost+Buck Controller | $4.82 (LTC7813EUH#PBF) |
| 16 | LTC7812 | 2 | 1 | 2.5 | 38 | 25 | Yes | Low IQ, 38V Synchronous Boost+Buck Controller | $4.00 (LTC7812EUH#PBF) |
| 17 | LTC3899 | 3 | 1 | 4.5 | 60 | 15 | Yes | 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller | $4.95 (LTC3899EUHF#PBF) |
| 18 | LT8312 | 1 | 1 | 10 | 38 | 25 | No | Boost Controller with Power Factor Correction | $2.25 (LT8312EMS#PBF) |
| 19 | LT8709 | 1 | 1 | -80 | -4.5 | 25 | Yes | Negative Input Synchronous Multi-Topology DC/DC Controller | $3.65 (LT8709EFE#PBF) |
| 20 | LTC3769 | 1 | 1 | 2.3 | 60 | 25 | Yes | 60V Low IQ Synchronous Boost Controller | $2.75 (LTC3769EUF#PBF) |
| 21 | LTC3872-1 | 1 | 1 | 2.75 | 9.8 | 10 | No | No RSENSE Current Mode Boost, LTC3872-1 No Frequency Foldback | $1.80 (LTC3872EDDB-1#TRPBF) |
| 22 | LTC3784 | 1 | 12, 2, 3, 4, 6 | 2.3 | 60 | 25 | Yes | 60V PolyPhase Synchronous Boost Controller | $3.76 (LTC3784EGN#PBF) |
| 23 | LT8710 | 1 | 1 | 4.5 | 80 | 25 | Yes | Synchronous SEPIC/Inverting/Boost Controller with Output Current Control | $3.41 (LT8710EFE#PBF) |
| 24 | LTC3859AL | 3 | 2 | 4.5 | 38 | 25 | Yes | Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode | $4.35 (LTC3859ALEUHF#PBF) |
| 25 | LTC3862-2 | 1 | 12, 2, 3, 4, 6 | 5.5 | 36 | 60 | No | Single Output Multi-Phase Boost, LTC3862-2 10V IntVcc, 4.4V UV+, 3.9V UV- | $3.29 (LTC3862EGN-2#PBF) |
| 26 | LT3759 | 1 | 1 | 1.6 | 42 | 25 | No | Wide Input Voltage Range Boost/SEPIC/Inverting Controller | $2.35 (LT3759EMSE#PBF) |
| 27 | LTC3787 | 1 | 12, 2, 3, 4, 6 | 4.5 | 38 | 60 | Yes | 2-Phase, Synchronous Boost Controller | $3.53 (LTC3787EGN#PBF) |
| 28 | LTC3786 | 1 | 1 | 2.5 | 38 | 30 | Yes | 60V VIN Sync Boost Controller, Low 55uA Iq | $2.53 (LTC3786EMSE#PBF) |
| 29 | LTC3788 | 2 | 2 | 2.5 | 38 | 30 | Yes | Dual Output, LTC3788 12 Max Phases, CLKOUT, 2 PGOOD, Adjustable Current Limit | $3.53 (LTC3788EUH#PBF) |
| 30 | LT3758A | 1 | 1 | 5.5 | 100 | 25 | No | Multi-Topology Controller - Improved Load Transient Over LT3758 | $2.35 (LT3758AEDD#PBF) |
| 31 | LTC3788-1 | 2 | 2 | 2.5 | 38 | 25 | Yes | LTC3788-1 Offers 2-Phase, 1 PGOOD, Fixed Current Limit | $3.53 (LTC3788EGN-1#PBF) |
| 32 | LT3757A | 1 | 1 | 2.9 | 40 | 25 | No | Multi-Topology Controller - Improved Load Transient Over LT3757 | $2.06 (LT3757AEDD#PBF) |
| 33 | LTC3862-1 | 1 | 12, 2, 3, 4, 6 | 8.5 | 36 | 60 | No | Single Output, Multi-Phase Boost, LTC3862-1 10V IntVcc, 7.5V UV+, 7V UV- | $3.29 (LTC3862EGN-1#PBF) |
| 34 | LT3782A | 1 | - | 6 | 40 | 30 | Yes | 2-Phase Step-Up DC/DC Controller | $4.41 (LT3782AEUFD#PBF) |
| 35 | LTC3862 | 1 | 12, 2, 3, 4, 6 | 4 | 36 | 60 | No | Single Output, Multi-Phase Boost, LTC3862 5V IntVcc, 3.3V UV+, 2.9VUV- | $3.29 (LTC3862EGN#PBF) |
| 36 | LTC3805-5 | 1 | 1 | 4.5 | 75 | 10 | No | Adjustable Frequency Current Mode Flyback, LTC3805-5 4.5V Turn On Voltage | $1.39 (LTC3805EDD-5#PBF) |
| 37 | LTC3873-5 | 1 | 1 | 4 | 75 | 10 | No | No RSENSE Boost, LTC3873-5 5V to 75V During Start-Up | $1.25 (LTC3873EDDB-5#TRPBF) |
| 38 | LTC3873 | 1 | 1 | 8.8 | 75 | 10 | No | No RSENSE Boost, LTC3873 9V to 75V During Start-Up | $1.25 (LTC3873EDDB#TRPBF) |
| 39 | LTC3814-5 | 1 | 1 | 4.5 | 55 | 25 | Yes | 60V Current Mode Synchronous Step-Up Controller | $3.50 (LTC3814EFE-5#PBF) |
| 40 | LTC1871-1 | 1 | 1 | 2.5 | 36 | 20 | No | No RSENSE Current Mode Boost, LTC1871-1 Lower Burst Mode Threshold | $2.65 (LTC1871EMS-1#PBF) |
| 41 | ADP1621 | 1 | - | 2.9 | 5.5 | 10 | No | Constant-Frequency, Current-Mode Step-Up DC-to-DC Controller | $1.36 (ADP1621ARMZ-R7) |
| 42 | LTC3872 | 1 | 1 | 2.75 | 9.8 | 10 | No | No RSENSE Current Mode Boost, LTC3872 Has Frequency Foldback | $1.80 (LTC3872EDDB#TRPBF) |
| 43 | LT3844 | 1 | 1 | 4 | 60 | 5 | No | Wide Input Voltage Range, Burst Mode | $3.10 (LT3844EFE#PBF) |
| 44 | LTC3805 | 1 | 1 | 8.8 | 75 | 10 | No | Adjustable Frequency Current Mode Flyback, LTC3805 8.4V Turn On Voltage | $1.39 (LTC3805EDD#PBF) |
| 45 | LTC3783 | 1 | 1 | 3 | 36 | 25 | No | PWM LED Driver and Boost, Flyback and SEPIC Converter | $2.85 (LTC3783EDHD#PBF) |
| 46 | LT3724 | 1 | 1 | 4 | 60 | 5 | No | Wide Vin, Burst Mode | $3.10 (LT3724EFE#PBF) |
| 47 | LTC3703-5 | 1 | 1 | 9.3 | 60 | 20 | Yes | LTC3703 60Vin, 4.5V to 15V MOSFET Gate Drive, UV+ 3.7V, UV- 3.1V | $3.10 (LTC3703EGN-5#PBF) |
| 48 | LTC3703 | 1 | 1 | 9.3 | 100 | 20 | Yes | LTC3703 100Vin, 9.3V to 15V MOSFET Gate Drive, UV+ 8.7V, UV- 6.2V | $3.10 (LTC3703EGN#PBF) |
| 49 | LTC1871-7 | 1 | 1 | 2.5 | 36 | 20 | No | LTC1871-7 Drives 6V-gate N-Channel MOSFETs | $2.65 (LTC1871EMS-7#PBF) |
| 50 | LTC1872B | 1 | 1 | 2.5 | 9.8 | 20 | No | Constant Frequency Boost in SOT-23, LTC1872B Disables Burst Mode | $1.85 (LTC1872BES6#TRPBF) |
| 51 | LTC1871 | 1 | 1 | 2.5 | 36 | 20 | No | No RSENSE Current Mode Boost, Flyback and SEPIC Controller | $2.65 (LTC1871EMS#PBF) |
| 52 | LTC1872 | 1 | 1 | 2.5 | 9.8 | 10 | No | Constant Frequency Boost in SOT-23, Burst Mode | $1.85 (LTC1872ES6#TRPBF) |
| 53 | LTC1700 | 1 | 1 | 2.34 | 5 | 6 | Yes | No RSENSE Synchronous Step-Up DC/DC Controller | $2.60 (LTC1700EMS#PBF) |
| 54 | LT1619 | 1 | 1 | 1.9 | 18 | 20 | No | Low Voltage Current Mode PWM Controller | $1.99 (LT1619ES8#PBF) |
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