开关稳压器
ADI公司提供各种升压式、降压式和反相式开关稳压器。这些稳压器能够产生固定或可调输出电压，并且能够提供高达2 A的输出电流。此外具有低电池电量检测器、用户可调限流、各种开关频率以及较少的外部器件等特性。这种多功能系列产品高度集成，旨在将外部器件降至最少，以满足空间受限应用的需要。
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最新优势资源
Design Notes Page
- 将600 V输入、非光耦合器隔离反激式控制器的电源电压扩展至800 V或更高
- 能够设计出适合过程控制的高精度、高密度和隔离模拟输出模块的系统级方法
- 60 V输入单芯片转换器可在没有超级电容或其他附加元件的情况下为关键电路供电
- 双端口双极性电源
- 采用降压型控制器产生负电压
- 精确的光伏 I-V 特性分析
- 双通道、6 A降压稳压器 提供高效紧凑的解决方案
- 适用于汽车和工业场合的 高效同步SEPIC控制器
- 具2.5 μA静态电流和超低EMI的42 V单片式同步降压型稳压器
- Low EMI, Silent Switcher, 1.2 A µModule Regulator in 4 mm × 4 mm × 1.82 mm BGA Package
- Triple Bucks Plus a Boost Controller to Meet Tough Requirements of Wide Range VIN Automotive Applications
- Simple Power Backup Supply for a 3.3 V Rail
- 42 V, 2 A/3 A Peak Synchronous Step-Down Regulators with 2.5 µA Quiescent Current and Ultralow EMI Emission
- SEPIC, Boost, Inverting, and Flyback Controller Solves the Voltage Drop Problem of High Impedance, Long Length Industrial Power Lines
- High Efficiency, 20 A, Monolithic Silent Switcher 2 Regulator for SoC and Microprocessor Applications
- 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
Technical Articles Page
- 新 Driving the VCO of a High Voltage Phase-Locked Loop Frequency Synthesizer Circuit
- 新 When the Supply Voltage Is Dynamic
- 采用2 MHz单芯片降压-升压DC-DC转换器和LED驱动器消除PCB空间受限的困扰
- Easily Boost 12V to 140V with a Single Converter IC
- Two New Switching Regulators Deliver Both Power and Ultralow Noise
- 60V Input Monolithic Converter Powers Critical Circuits without Supercaps or Other Additional Components
- 42V High Power Density Buck Regulators in a Tiny QFN Package
- 3mm × 3mm Monolithic DC/DC Boost/Inverting Converters with 65V Power Switches
- 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency
- 18V Buck-Boost Converter with Intelligent PowerPath Control Delivers >2A at 95% Efficiency from Dual Inputs
- 1.5A Monolithic Buck-Boost DC/DC Converter with Up to 95% Efficiency Features 2.5V–15V Input and Output Voltage Ranges
- 40µA IQ, P-Channel Step-Down Controller Operates from 60V to 3.5V VIN and Maintains High Efficiency at Light Loads
- 15V, 2.5A Monolithic Buck-Boost DC/DC Converter with 95% Efficiency and Low Noise Operation
- 热回路究竟是什么？
- 通过降低电源对电容的要求来解决MLCC短缺问题
- 新 A Critical Short Pulse
- Ultrathin Triple Output µModule Regulator for DDR, QDR and QDR-IV SRAM Fits 0.5cm2 Area and Backside of PCB
- Powering High Speed Analog-to-Digital Converters with Switching Power Supplies
- Fiber Optic Systems Get Thermal Enhancements
- Reduce Power Supply EMI: Designing a Differential Mode Input Filter Using LTpowerCAD
- 用于精密测试和测量系统的双极性电源解决方案
- 扩频频率调制以降低 EMI
- Meet Green Standards in 24VAC and 12VAC Lighting Systems: Replace Halogen Bulbs with LEDs Driven by High Power Factor, High Efficiency Converter
- 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
- 防止由电源线引起的电压波动
- LT3798 符合能源之星标准的 5V、2A 隔离型转换器
- LT3790 98% 高效 240W (24V/10A) 并联稳压器
- LT3752 / LT8311 具有高轻负载效率的 48Vin、24Vout 有源箝位正激式转换器
- 最小化SEPIC转换器的排放
- Silent Switcher µModule Regulators Quietly Power GSPS Sampling ADCs in Half the Space
- Silent Switcher Meets CISPR Class 5 Radiated Emissions While Maintaining High Conversion Efficiency
- Active Clamp Synchronous Controllers for Forward Converters with 6.5V to 100V+ Inputs
- Hundreds of Watts, 60V In or Out: Synchronous 4-Switch Buck-Boost Converter is Easy to Parallel to Minimize Temperature Rise
- Increase Current Capability and Simplify Thermal Design of Flyback Converters with Secondary-Side Synchronous Rectifier Driver in a 5-Pin SOT-23
- 两级方式实现高电压
- Design Once; Use Twice: Monolithic SEPIC/Boost Regulators with Wide VIN Range Satisfy Requirements of Both Consumer and Commercial Vehicles
- Tiny, High Efficiency Monolithic Regulators Power Advanced SoCs and Microprocessors Feature Silent Switcher 2 Technology for Low EMI
- Diode Turn-On Time Induced Failures in Switching Regulators
- 1000 V Output, No-Opto, Isolated Flyback Converter
- 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
- Isolated Power Supplies Made Easy
- 60V Synchronous, Low EMI Buck-Boost for High Power and High Efficiency
- How to Design an Isolated, High Frequency, Push-Pull DC/DC Converter
- LTspice: 变压器仿真的简单步骤
- Monolithic No-Opto Isolated Flyback Converter Provides Versatile Solution
- LT8650S Demo Board | Dual Channel 42V, 4A Synchronous Step-Down Silent Switcher 2
- LTC3779EFE Demo Board | 16V ≤ VIN ≤ 120V, VOUT = 48V @ 10A at up to 99% Efficiency
- Low EMI Power Solutions and Electromagnetic Compatibility (EMC) Standards
- No-Opto Flyback DC/DC Converters & Snubber Protection Circuits
- How NOT to Damage Your Switching Regulator Demo Board
- No-Opto Isolated Flyback Converters
- Differences Between the Ćuk Converter and the Inverting Charge Pump Converter
- A New Era in Space Products - Radiation Tolerant
- Data Backup Solution for 1mm, Low Profile Industrial Applications
- Wide Input Voltage Range Boost/Inverting/SEPIC Controller Works Down to an Input Voltage of 1.6V
- Micropower Isolated Flyback Converter with Input Voltage Range from 6V to 100V
- 65V, 500mA Step-Down Converter Fits Easily into Automotive and Industrial Applications
- LTC7800EUDC Demo Board With GaNFETS/500kHz | 30V ≤ VIN ≤ 55V; VOUT = 12V @ 20A
- 选择合适的无源和分立元件以实现最高系统性能
- Inverting DC/DC Controller Converts a Positive Input to a Negative Output with a Single Inductor
- LTC3890 和 LTC4000 具有电池后备功能的 60V 输入电源
- 具有 4V 至 150V 宽输入电压范围的高效率 100mA 同步降压型转换器
- 采用 LT8301 和耦合电感器的微型隔离式解决方案
- 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
- LT3753 9V-15V 输入至 54V/3A 隔离型正激式转换器
- 采用 LT8614 和 LT3083 / LT6015 的混合宽调光比线性 LED 电流控制器
- LT3759 可在低至 1.6V 电压条件下工作的宽输入电压、48V (在 >100mA) 输出升压型转换器
- 可在 2MHz 提供 95% 效率的 42V 同步降压
- 面向工业、电信和汽车环境的坚固型 140V VIN、400mA 降压型稳压器
- 具可调栅极驱动的 60V、低 IQ、双输出同步降压型控制器
- LT8310 / LT1431 具 Opto 反馈功能的 92W 隔离型正激式转换器；VIN = 48V, VOUT = 54V/1.7A
- 高电压、高效率正至负转换器
- 560V 输入、No-Opto 隔离型反激式转换器
- 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
- 具可变输出的正至负转换器
- LT8310 和 LT1431 具 Opto 反馈功能的 81W 隔离型非同步正激式转换器
- 设计开关电源中使用的 二级输出滤波器
- 在功耗敏感型应用中利用高效率 超低功耗开关稳压器为精密SAR ADC供电
模拟对话
- 小尺寸高功率密度
- 新 为汽车电子系统提供供电和保护，无开关噪声，效率高达99.9%
- 新 Reduce Power Supply Requirements for Ceramic Capacitors with a High Efficiency, High Frequency, Low EMI DC-to-DC Converter
- 采用单个IC从30 V至400 V输入产生隔离或非隔离±12 V输出
- 适用于恶劣汽车环境的 综合电源系统设计占用极小空间,节省电池电 量,并提供低EMI特性
- 用于通信的高压升压和反相转换器
- 基于常见降压转换器的双极性、单路输出、可调节电源
- 迈向100 A的演进历程 μModule稳压器
- 安静且简单的Silent Switcher器件
- 通过12 V至12 V双向DC/DC控制器 实现汽车双电池冗余
- 深入实时以太网
- 突破约束：基于简单降压控制器的精密双极性电源设计
- FPGA电源的“护理和喂养”：成功的道与因
- 带有次级LC滤波器的电流模式降压转换器的建模与控制
- 汽车USB Type-C电源解决方案： 1平方英寸的45 W、2 MHz降压-升压控制器
- 60 V和100 V、低IQ升压/SEPIC/反相转换器，适用于紧凑、高效率、低EMI电源
- 在汽车启停系统中为信息娱乐设备供电
- 如何选择散热性能良好的高功率可扩展式POL调节器并节省电路板空间
在线研讨会
技术文章
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
- AN-1329：面向可调低压差稳压器的降噪网络 (Rev. 0) 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
- AN118 - High Voltage, Low Noise, DC/DC Converters 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
- AN-1269: 采用ADP2441/ADP2442同步降压DC-DC稳压器设计反相电源 (Rev. 0) 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
- AN-1144: 测量开关稳压器中的输出纹波和开关瞬变 (Rev. 0) PDF
- AN126 - 2-Wire Virtual Remote Sensing for Voltage Regulators - Clairvoyance Marries Remote Sensing PDF
- AN-1168: 采用ADP2384/ADP2386同步降压DC-DC稳压器设计反相电源 (Rev. 0) PDF
- AN137 - Accurate Temperature Sensing with an External P-N Junction PDF
- AN136 - PCB Layout Considerations for Non-Isolated Switching Power Supplies PDF
- AN-1126：在减少应力的同时获得更大升压：SEPIC乘法升压转换器 (Rev. 0) PDF
- AN-1149: How to Apply DC-to-DC Step-Down/Step-Up (Buck/Boost) Regulators (Rev. 0) PDF
- AN135 - Implementing Robust PMBus System Software for the LTC3880 PDF
- AN-1141: 用开关调节器为双电源精密ADC供电 (Rev. 0) PDF
- AN-1132: 如何运用DC-DC升压调节器 (Rev. 0) PDF
- AN133 - A Closed-Loop, Wideband, 100A Active Load PDF
- AN-1125: 如何运用DC-DC降压调节器 (Rev. 0) PDF
- AN119B - Powering Complex FPGA-Based Systems Using Highly Integrated DC/DC uModule Regulator Systems PDF
- AN-1099: ADI公司LDO电容选型指南 (Rev. 0) PDF
- AN117 - DC/DC uModule Regulator Printed Circuit Board Design Guidelines PDF
- AN-1083: 利用开关调节器ADP2300和ADP2301设计反相降压/升压转换器 (Rev. A) PDF
- AN125 - Using the LTM2881 as an Isolated 5V Power Supply PDF
- AN101 - Minimizing Switching Regulator Residue in Linear Regulator Outputs PDF
- AN25 - Switching Regulators for Poets: A Gentle Guide for the Trepidatious PDF
解决方案通报和手册
视频
- 开关稳压器的功率损耗
- 100V、双向多相同步降压或升压型控制器
- 采用低 Iq No-Opto 反激式 IC 的简单、紧凑和高效隔离式电源
- LTM8050 均流和负载瞬态性能
- LTM8050 负输出
- 简化您的高电压 DC/DC 转换器以延长电池寿命
- ADI公司：LIDAR FPGA开发平台
- 具备8个可配置1.5A功率级的20V、4通道降压型DC/DC
- 双通道输出、6相电流模式同步控制器，适用于DrMOS
- ADI公司的3D飞行时间开发平台
- 双向同步4开关降压-升压转换器
- ADI公司的Silent Switcher™技术
- Silent Switcher技术
- LTC7821：混合式同步降压型控制器
- LTC7821：混合式同步降压型控制器
- LTM8002: High Efficiency, Ultra Low EMI Step-Down Power µModule
- 为高端FPGA和μProcessor供电时面临的三大设计挑战
- ADI在工业4.0应用方面的领先技术
- 具电源系统管理功能的超薄型 µModule 稳压器
- 双通道输出、6相电流模式同步控制器，适用于DrMOS1x
- 利用数字电源系统管理对功率进行全盘管理
- 完成您的电子设计
- Slient Switcher和μModule稳压器产品
- ADI公司创新的Silent Switcher技术
- 105V、2.3A、低 EMI 同步降压型稳压器
- 具备8个可配置1.5A功率级的20V、4通道降压型DC/DC
- Silent Switcher 2代演示
- 用于状态监控的新一代传感器
- 带电源系统管理的超薄型μModule稳压器
- ADI公司第4代μModule稳压器简介
- 工业4.0不仅仅是一个愿景，它是一个已经出发的旅程
- 30Kw DC/DC充电器
- 介绍 Analog Devices 的第 4 代µModule 稳压器
- Silent Switcher µModule 稳压器为 GSPS 采样 ADC 供电
- LTM8002：高效率、超低 EMI 降压型电源 µModule
- 新 直接采样的S频段16通道接收/发送相控阵平台
参考电路
开关稳压器
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Switch Current (typ) (A) | Monolithic | Isupply (typ) (A) | Topology | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC7841 | 1 | 4.5 | 60 | - | 25 | No | 2.5m | Boost | $3.95 (LTC7841EUHE#PBF) |
| 2 | LTC3309A | 1 | 2.25 | 5.5 | 6 | 7.8 | Yes | 40µ | Buck | $1.90 (LTC3309AEV#TRMPBF) |
| 3 | LTC3308A | 1 | 2.25 | 5.5 | 4 | 6.4 | Yes | 40µ | Buck | $1.70 (LTC3308AEV#TRMPBF) |
| 4 | LTC3307A | 1 | 2.25 | 5.5 | 3 | 3.6 | Yes | 40µ | Buck | $1.60 (LTC3307AEV#TRMPBF) |
| 5 | LT8491 | 1 | 6 | 80 | 10 | - | No | 2.65m | Buck-Boost | $10.35 (LT8491EUKJ#PBF) |
| 6 | LT8210 | 1 | 2.8 | 100 | 25 | - | No | 18µ | Buck-Boost | $5.95 (LT8210EFE#PBF) |
| 7 | LT3942 | 1 | 3 | 36 | 2 | 2.5 | Yes | 2.6m | Buck-Boost | $2.95 (LT3942EUFD#PBF) |
| 8 | LT3380 | 7 | 2.7 | 5.5 | 2.5 | 3 | Yes | 149µ | Buck | $4.50 (LT3380EUJM#PBF) |
| 9 | LT3002 | 1 | 4 | 36 | - | 4.5 | Yes | 380µ | Flyback, No-Opto Flyback | $2.80 (LT3002ES8E#PBF) |
| 10 | LT8636 | 1 | 3.4 | 42 | 5 | 10 | Yes | 1.7µ | Buck | $3.70 (LT8636EV#PBF) |
| 11 | LT3001 | 1 | 4 | 36 | - | 1.2 | Yes | 350µ | Flyback, No-Opto Flyback | $1.95 (LT3001ES5#TRMPBF) |
| 12 | LTM8024 (single output) | 1 | 3 | 40 | 7 | - | Yes | 90µ | Buck | $11.65 (LTM8024EY#PBF) |
| 13 | LTM8024 (dual output) | 2 | 3 | 40 | 3.5 | - | Yes | 90µ | Buck | $11.65 (LTM8024EY#PBF) |
| 14 | LTM4671 | 4 | 3.1 | 20 | 12 | 20 | Yes | 75m | Buck | $27.48 (LTM4671EY#PBF) |
| 15 | LTM4668A | 4 | 2.7 | 17 | 1.2 | 2 | Yes | 500µ | Buck | $6.55 (LTM4668AEY#PBF) |
| 16 | LTM4668 | 4 | 2.7 | 17 | 1.2 | 2 | Yes | 500µ | Buck | $6.55 (LTM4668EY#PBF) |
| 17 | LTM4664 (single output) | 1 | 30 | 58 | 50 | - | Yes | 1.6m | Buck | $57.48 (LTM4664EY#PBF) |
| 18 | LTM4664 (dual output) | 2 | 30 | 58 | 25 | - | Yes | 1.6m | Buck | $57.48 (LTM4664EY#PBF) |
| 19 | LTC7852 | 2 | 4.5 | 5.5 | 200 | 200 | No | 15m | Buck | $2.59 (LTC7852EUFD-1#PBF) |
| 20 | LT8551 | 1 | 3.6 | 80 | - | 100 | No | 5m | Boost | $2.95 (LT8551EUKG#PBF) |
| 21 | LT8365 | 1 | 2.8 | 60 | - | 2 | Yes | 9µ | Boost, Inverting, Sepic | $2.18 (LT8365EMSE#PBF) |
| 22 | LT7101 | 1 | 4.4 | 105 | 1 | 1.2 | Yes | 200µ | Buck | $3.95 (LT7101EUHE#PBF) |
| 23 | LTC7818 | 3 | 4.5 | 40 | 25 | 25 | No | 14µ | Boost, Buck | $3.95 (LTC7818EUJ#PBF) |
| 24 | LTC7804 | 1 | 1 | 40 | - | 25 | No | 14µ | Boost | $2.15 (LTC7804EMSE#PBF) |
| 25 | LTC3376 | 4 | 3 | 20 | 3 | 5.25 | Yes | 42µ | Buck | $4.95 (LTC3376EY#PBF) |
| 26 | LTC3315A | 2 | 2.25 | 5.5 | 2 | 3.2 | Yes | 70µ | Buck | $1.80 (LTC3315AEV#TRMPBF) |
| 27 | LT8550 | 4 | 3.6 | 80 | 25 | - | No | 800µ | Boost, Buck | $2.95 (LT8550EUKG#PBF) |
| 28 | ADP5360 | 3 | 4.1 | 6.8 | 500m | 500m | Yes | 1.5m | Battery Charger, Buck, Buck-Boost, VID Programmer | $1.71 (ADP5360ACBZ-1-R7) |
| 29 | ADP5076 | 2 | 2.85 | 5.5 | - | 2 | Yes | 3.5m | Boost, Inverting | $2.19 (ADP5076ACBZ-R7) |
| 30 | LT8653S | 2 | 2.6 | 42 | 2 | 5.1 | Yes | 6.2µ | Buck | $4.02 (LT8653SEV#PBF) |
| 31 | LT8652S | 2 | 2.6 | 18 | 8.5 | 19 | Yes | 16µ | Buck | $4.50 (LT8652SEV#PBF) |
| 32 | LT8648S | 1 | 2.45 | 42 | 15 | 30 | Yes | 140µ | Buck | $5.50 (LT8648SEV#PBF) |
| 33 | ADP1032 | 2 | 4.5 | 60 | - | - | Yes | 1.9m | Buck, Flyback | $5.18 (ADP1032ACPZ-4-R7) |
| 34 | LTM8078 (single output) | 1 | 3 | 40 | 2.8 | - | Yes | 10m | Buck | $6.53 (LTM8078EY#PBF) |
| 35 | LTM8078 (dual output) | 2 | 3 | 40 | 1.4 | - | Yes | 10m | Buck | $6.53 (LTM8078EY#PBF) |
| 36 | LT8645S-2 | 1 | 3.4 | 65 | 8 | 14 | Yes | 1.7µ | Buck | $4.75 (LT8645SEV-2#PBF) |
| 37 | LTC3897-2 | 1 | 4.5 | 65 | - | 30 | No | 55µ | Boost | $5.50 (LTC3897EUHG-2#PBF) |
| 38 | LTM4657 | 1 | 3.1 | 20 | 8 | - | Yes | 18m | Buck | $6.48 (LTM4657EY#PBF) |
| 39 | LT8228 | 1 | 6 | 100 | 40 | 25 | No | 214µ | Boost, Buck | $6.60 (LT8228EFE#PBF) |
| 40 | LTC7880 | 2 | 2.5 | 40 | - | 25 | No | 26m | Boost | $7.63 (LTC7880EUKG#PBF) |
| 41 | LT8609B | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.40 (LT8609BEMSE#PBF) |
| 42 | LT8609A | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.50 (LT8609AEMSE#PBF) |
| 43 | LT8609 | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.50 (LT8609EMSE#PBF) |
| 44 | LT3383 | 7 | 2.7 | 5.5 | 2.5 | 3 | Yes | 248µ | Buck | $4.30 (LT3383EUJM#PBF) |
| 45 | LT8316 | 1 | 16 | 600 | - | - | No | 470µ | Buck, Flyback, No-Opto Flyback | $2.18 (LT8316EFE#PBF) |
| 46 | ADP5072 | 2 | 2.85 | 5.5 | - | 1 | Yes | 3.5m | Boost, Inverting | $2.19 (ADP5072ACBZ-R7) |
| 47 | LTC7151S | 1 | 3.1 | 20 | 15 | 18 | Yes | 2m | Buck | $3.75 (LTC7151SEV#PBF) |
| 48 | LTC3889 | 2 | 5 | 60 | 20 | 20 | No | 26m | Buck | $7.63 (LTC3889EUKG#PBF) |
| 49 | ADP1031 | 3 | 4.5 | 60 | - | 300m | Yes | 1.77m | Buck, Flyback, Inverting | $5.18 (ADP1031ACPZ-4-R7) |
| 50 | LTC7840 | 2 | 5.5 | 60 | - | 60 | No | 3m | Boost, Flyback, Sepic | $3.20 (LTC7840EFE#PBF) |
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