降压型稳压器
Analog Devices 制造了一系列兼具同步和异步开关的高性能降压型开关稳压器 IC 和降压型开关控制器 IC 产品。这些开关稳压器可提供从小于 2 V 至高达 100 V 以上的典型输入电压能力、高达 4 MHz 的开关频率及高达 96% 的运作效率。利用突发模式 (Burst Mode®) 操作，可获得几十微安级的静态电流。这些特点的组合造就了外形非常小巧和扁平的降压型开关稳压器电路实现方案，所需的外部组件极少。
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最新优势资源
设计笔记
- Triple Bucks Plus a Boost Controller to Meet Tough Requirements of Wide Range VIN Automotive Applications
- 42 V, 2 A/3 A Peak Synchronous Step-Down Regulators with 2.5 µA Quiescent Current and Ultralow EMI Emission
- High Voltage LTC3892 Family of Controllers Reduces DC-to-DC Converter Cost and Size
- Monolithic 65V , 8A Step-Down Regulators with Fast Transient Response and Ultralow EMI Emissions
技术文章
- Self-Driving Cars—Are Power Systems up to the Task?
- AN168 - Implementing Fast Telemetry with Power System Management Controllers
- AN170 - Honing the Adjustable Compensation Feature of Power System Management Controllers
- Tiny, High Efficiency Monolithic Regulators Power Advanced SoCs and Microprocessors Feature Silent Switcher 2 Technology for Low EMI
- Three Bucks Plus a Boost Controller Meet the Stringent Requirements of Wide-Range VIN Automotive Applications
- 面向汽车和工业应用的40 V输入、3.5 A Silent Switcher μModule稳压器
- LT8650S Demo Board | Dual Channel 42V, 4A Synchronous Step-Down Silent Switcher 2
- LTC7800EUDC Demo Board With GaNFETS/500kHz | 30V ≤ VIN ≤ 55V; VOUT = 12V @ 20A
LT Journal
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
- AN166 - In Flight Update with Linduino PDF
- AN155 - Fault Log Decoding with Linduino PSM PDF
- AN152 - Power System Management Addressing (Rev. A) 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
- AN119A - Powering Complex FPGA-Based Systems Using Highly Integrated DC/DC uModule Regulator Systems PDF
- AN144 - Reduce EMI and Improve Efficiency with Silent Switcher Designs PDF
- AN140 - 线性稳压器和开关模式电源的基本概念 (Rev. C) PDF
- AN126 - 2-Wire Virtual Remote Sensing for Voltage Regulators - Clairvoyance Marries Remote Sensing PDF
- AN137 - Accurate Temperature Sensing with an External P-N Junction PDF
- AN136 - PCB Layout Considerations for Non-Isolated Switching Power Supplies PDF
- AN135 - Implementing Robust PMBus System Software for the LTC3880 PDF
- AN133 - A Closed-Loop, Wideband, 100A Active Load PDF
- AN110 - LTM4601 DC/DC uModule Thermal Performance PDF
- AN103 - LTM4600 DC/DC uModule Thermal Performance PDF
- AN119B - Powering Complex FPGA-Based Systems Using Highly Integrated DC/DC uModule Regulator Systems PDF
- AN117 - DC/DC uModule Regulator Printed Circuit Board Design Guidelines PDF
- AN98 - Signal Sources, Conditioners and Power Circuitry Circuits of the Fall, 2004 PDF
- AN90 - Current Sources for Fiber Optic Lasers: A Compendium of Pleasant Current Events PDF
- AN84 - Linear Technology Magazine Circuit Collection, Volume IV PDF
- AN77 - High Efficiency, High Density, PolyPhase Converters for High Current Applications PDF
降压型稳压器
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Output Current 2 (typ) (A) | Monolithic | Vout Min (typ) (V) | Synchronous | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC3309A | 1 | 2.25 | 5.5 | 6 | - | Yes | 500m | Yes | 40µ | $1.90 (LTC3309AEV#TRMPBF) |
| 2 | LTC3308A | 1 | 2.25 | 5.5 | 4 | - | Yes | 500m | Yes | 40µ | $1.70 (LTC3308AEV#TRMPBF) |
| 3 | LT8636 | 1 | 3.4 | 42 | 5 | - | Yes | 970m | Yes | 1.7µ | $3.70 (LT8636EV#PBF) |
| 4 | LTM8024 (single output) | 1 | 3 | 40 | 7 | - | Yes | 800m | Yes | 90µ | $11.65 (LTM8024EY#PBF) |
| 5 | LTM8024 (dual output) | 2 | 3 | 40 | 3.5 | 3.5 | Yes | 800m | Yes | 90µ | $11.65 (LTM8024EY#PBF) |
| 6 | LTM4671 | 4 | 3.1 | 20 | 12 | 12 | Yes | 600m | Yes | 75m | $27.48 (LTM4671EY#PBF) |
| 7 | LTM4668A | 4 | 2.7 | 17 | 1.2 | 1.2 | Yes | 600m | Yes | 500µ | $6.55 (LTM4668AEY#PBF) |
| 8 | LTM4668 | 4 | 2.7 | 17 | 1.2 | 1.2 | Yes | 600m | Yes | 500µ | $6.55 (LTM4668EY#PBF) |
| 9 | LTM4664 (single output) | 1 | 30 | 58 | 50 | - | Yes | 500m | Yes | 2.3 | $57.48 (LTM4664EY#PBF) |
| 10 | LTM4664 (dual output) | 2 | 30 | 58 | 25 | 25 | Yes | 500m | Yes | 2.3 | $57.48 (LTM4664EY#PBF) |
| 11 | LTC7852 | 2 | - | - | 200 | 200 | No | 500m | Yes | 15m | $2.59 (LTC7852EUFD-1#PBF) |
| 12 | LT7101 | 1 | 4.4 | 105 | 1 | - | Yes | 1 | Yes | 200µ | $3.95 (LT7101EUHE#PBF) |
| 13 | LTC3376 | 4 | 3 | 20 | 3 | 3 | Yes | 400m | Yes | 42µ | $4.95 (LTC3376EY#PBF) |
| 14 | LTC3315A | 2 | 2.25 | 5.5 | 2 | 2 | Yes | 500m | Yes | 70µ | $1.80 (LTC3315AEV#TRMPBF) |
| 15 | LT8550 | 4 | 3.6 | 80 | 25 | 25 | No | - | Yes | 800µ | $2.95 (LT8550EUKG#PBF) |
| 16 | LT8653S | 2 | 2.6 | 42 | 2 | 2 | Yes | 800m | Yes | 6.2µ | $4.02 (LT8653SEV#PBF) |
| 17 | LTM8078 (single output) | 1 | 3 | 40 | 2.8 | - | Yes | 800m | Yes | 10m | $6.53 (LTM8078EY#PBF) |
| 18 | LTM8078 (dual output) | 2 | 3 | 40 | 1.4 | 1.4 | Yes | 800m | Yes | 10m | $6.53 (LTM8078EY#PBF) |
| 19 | LTM4638 | 1 | 3.1 | 20 | 15 | - | Yes | 600m | Yes | 18m | $13.80 (LTM4638EY#PBF) |
| 20 | LTM4626 | 1 | 3.1 | 20 | 12 | - | Yes | 600m | Yes | 18m | $10.50 (LTM4626EY#PBF) |
| 21 | LT8650S-1 | 2 | 3 | 42 | 4 | 4 | Yes | 800m | Yes | 3.7µ | $6.58 (LT8650SHV-1#PBF) |
| 22 | LT8645S-2 | 1 | 3.4 | 65 | 8 | - | Yes | 970m | Yes | 1.7µ | $4.75 (LT8645SEV-2#PBF) |
| 23 | LT8228 | 1 | 6 | 100 | 40 | - | No | 0 | Yes | 214µ | $6.60 (LT8228EFE#PBF) |
| 24 | LT8609B | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.40 (LT8609BEMSE#PBF) |
| 25 | LT8609A | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.50 (LT8609AEMSE#PBF) |
| 26 | LT8609 | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.50 (LT8609EMSE#PBF) |
| 27 | LTC7151S | 1 | 3.1 | 20 | 15 | - | Yes | 500m | Yes | 2m | $3.75 (LTC7151SEV#PBF) |
| 28 | LTC3889 | 2 | 5 | 60 | 20 | 20 | No | 1 | Yes | 26m | $7.63 (LTC3889EUKG#PBF) |
| 29 | LTC3372 | 5 | 4.5 | 60 | 20 | 2 | No | 800m | Yes | 33µ | $5.75 (LTC3372EUK#PBF) |
| 30 | LTM8074 | 1 | 3.2 | 40 | 1.2 | - | Yes | 800m | Yes | 8µ | $3.83 (LTM8074EY#PBF) |
| 31 | LTM8071 | 1 | 3.6 | 60 | 5 | - | Yes | 970m | Yes | 3µ | $14.53 (LTM8071EY#PBF) |
| 32 | LTM8002 | 1 | 3.4 | 40 | 2.5 | - | Yes | 970m | Yes | 25µ | $9.12 (LTM8002IY#PBF) |
| 33 | LTM4700 (single output) | 1 | 4.5 | 16 | 100 | - | Yes | 500m | Yes | 50m | $97.26 (LTM4700EY#PBF) |
| 34 | LTM4700 (dual output) | 2 | 4.5 | 16 | 50 | 50 | Yes | 500m | Yes | 50m | $97.26 (LTM4700EY#PBF) |
| 35 | LTM4680 | 2 | 4.5 | 16 | 30 | 30 | Yes | 500m | Yes | 37m | $58.00 (LTM4680EY#PBF) |
| 36 | LTC3894 | 1 | 4.5 | 150 | 10 | - | No | 800m | No | 21µ | $2.55 (LTC3894EFE#PBF) |
| 37 | LTC3310S | 1 | 2.25 | 5.5 | 10 | - | Yes | 500m | Yes | 1.3m | $2.60 (LTC3310SEV#PBF) |
| 38 | LTM4686-1 (single output) | 1 | 2.375 | 17 | 20 | - | Yes | 500m | Yes | 20m | $23.23 (LTM4686EV-1#PBF) |
| 39 | LTM4686-1 (dual output) | 2 | 2.375 | 17 | 10 | 10 | Yes | 500m | Yes | 20m | $23.23 (LTM4686EV-1#PBF) |
| 40 | LTM4686 (single output) | 1 | 4.5 | 17 | 20 | - | Yes | 500m | Yes | 20m | $23.23 (LTM4686EV#PBF) |
| 41 | LTM4686 (dual output) | 2 | 4.5 | 17 | 10 | 10 | Yes | 500m | Yes | 20m | $23.23 (LTM4686EV#PBF) |
| 42 | LTM4678 (single output) | 1 | 4.5 | 16 | 50 | - | Yes | 500m | Yes | 20m | $47.48 (LTM4678EY#PBF) |
| 43 | LTM4678 (dual output) | 2 | 4.5 | 16 | 25 | 25 | Yes | 500m | Yes | 20m | $47.48 (LTM4678EY#PBF) |
| 44 | LTM4662 | 2 | 4.5 | 20 | 15 | 15 | Yes | 600m | Yes | 20m | $28.75 (LTM4662EY#PBF) |
| 45 | LTM4653 | 1 | 3.1 | 58 | 4 | - | Yes | 500m | Yes | 450µ | $12.55 (LTM4653EY#PBF) |
| 46 | LTM4646 | 2 | 4.5 | 20 | 10 | 10 | Yes | 600m | Yes | 17m | $18.85 (LTM4646EY#PBF) |
| 47 | LTC7815 | 3 | 2.5 | 38 | 25 | 25 | No | 800m | Yes | 38µ | $4.35 (LTC7815EUHF#PBF) |
| 48 | LTC7810 | 2 | 4.5 | 140 | 15 | 15 | No | 1 | Yes | 78µ | $5.20 (LTC7810ELXE#PBF) |
| 49 | LTC3883 | 1 | 4.5 | 24 | 30 | - | No | 500m | Yes | 20m | $4.82 (LTC3883EUH#PBF) |
| 50 | LT8646S | 1 | 3.4 | 65 | 8 | - | Yes | 970m | Yes | 17µ | $5.95 (LT8646SEV#PBF) |
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