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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设计笔记
- 新 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
- 精确的光伏 I-V 特性分析
- Two Terminal Bipolar Power Supply
- 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
技术文章
- 新 Bipolar Power Solutions for Precision Test and Measurement Systems
- AN170 - Honing the Adjustable Compensation Feature of Power System Management Controllers
- AN168 - Implementing Fast Telemetry with 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
- 两级方式实现高电压
- 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
- Spread Spectrum Frequency Modulation Reduces EMI
- 1000 V Output, No-Opto, Isolated Flyback Converter
- Meet Green Standards in 24VAC and 12VAC Lighting Systems: Replace Halogen Bulbs with LEDs Driven by High Power Factor, High Efficiency Converter
- Three Bucks Plus a Boost Controller Meet the Stringent Requirements of Wide-Range VIN Automotive Applications
- Self-Driving Cars—Are Power Systems up to the Task?
- 面向汽车和工业应用的40 V输入、3.5 A Silent Switcher μModule稳压器
- 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
- Powering High Speed Analog-to-Digital Converters with Switching Power Supplies
- 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
- 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
- ADIsimPower Provides Robust, Customizable DC-DC Converter Designs
- MS-2437: 降压调节器变身为智能LED驱动器 PDF
- Optimizing Power Systems for Portable Electronic Devices
- 利用开关电源为高速模数转换器供电 PDF
LT Journal
- 18V Buck-Boost Converter with Intelligent PowerPath Control Delivers >2A at 95% Efficiency from Dual Inputs
- 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
- Design Once; Use Twice: Monolithic SEPIC/Boost Regulators with Wide VIN Range Satisfy Requirements of Both Consumer and Commercial Vehicles
- 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
模拟对话
- 新 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
在线研讨会
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
设计工具
视频
- 105V、2.3A、低 EMI 同步降压型稳压器
- 介绍 Analog Devices 的第 4 代µModule 稳压器
- 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
- 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
- LTM8002：高效率、超低 EMI 降压型电源 µModule
- Silent Switcher 2代演示
- Silent Switcher µModule 稳压器为 GSPS 采样 ADC 供电
- Silent Switcher技术
- 双向同步4开关降压-升压转换器
- ADI公司的Silent Switcher™技术
- 新 完成您的电子设计
- 新 Slient Switcher和μModule稳压器产品
- LTC7821：混合式同步降压型控制器
- 为高端FPGA和μProcessor供电时面临的三大设计挑战
- 具电源系统管理功能的超薄型 µModule 稳压器
- LTC7821：混合式同步降压型控制器
- LTM8002: High Efficiency, Ultra Low EMI Step-Down Power µModule
- ADI在工业4.0应用方面的领先技术
- 新 ADI公司创新的Silent Switcher技术
新闻
用户手册
- UG-407: ADP2441 Evaluation Board PDF
- UG-439: Evaluation Board for the ADP5034 TSSOP Micro Power Management Unit (PMU) (Rev. A) PDF
- UG-466: Evaluation Board for the ADP2384/ADP2386, 20 V, 4 A/6 A Synchronous Step-Down DC-to-DC Regulators PDF
- UG-706: ADIsimPE Quick Start Guide (Rev. A) PDF
- UG-654：用于ADP5133微型PMU的评估板 PDF
- UG-492：评估集成反馈的iCoupler ADuM4470、ADuM4471、ADuM4472、ADuM4473和ADuM4474隔离式开关调节器 PDF
- UG-525: Inverting Buck-Boost Evaluation Board for the ADP2386, 20 V, 6 A Synchronous Step-Down DC-to-DC Regulator PDF
- UG-311: Reliability Handbook PDF
- UG-504：集成低端驱动器的20 V、4 A/6 A同步降压稳压器ADP2380和ADP2381评估板 PDF
- UG-488: Evaluating the ADP1606/ADP1607 2 MHz, Synchronous Boost, DC-to-DC Converters PDF
- UG-456: Evaluation Board for the ADP2442 36 V, 1 A, Synchronous, Step-Down DC-to-DC Regulator with External Clock Synchronization PDF
- UG-400: ezLINX™ iCoupler® 隔离接口开发环境 PDF
- UG-437: Evaluating the ADP1614 650 kHz/1.3 MHz, 4 A, Step-Up, PWM, DC-to-DC Switching Converter PDF
- UG-402: iCoupler ADuM3070 Isolated Switch Regulator With Integrated Feedback Evaluation Board PDF
- UG-220: RedyKit™ for the ADP2370 Buck Regulator PDF
- UG-219: Evaluating the ADP2370/ADP2371 Buck Regulators PDF
- UG-374: Evaluation Board for the ADP2325, Dual 5 A, 20 V, Synchronous Step-Down Regulator with Integrated High-Side MOSFET PDF
- UG-329: Evaluation Board for the ADP2164 Step-Down Regulator PDF
- UG-310: Evaluation Board for the ADP2323, Dual 3 A, 20 V, Synchronous Step-Down Regulator with Integrated High-Side MOSFET PDF
- • UG-270：800 mA、3 MHz降压调节器评估板 PDF
- • UG-249：800 mA、3 MHz降压调节器评估板 PDF
- UG-122：评估降压和LDO组合调节器ADP2140 PDF
- UG-198: Evaluating the ADP2125 Low Profile, 6 MHz, Step-Down Converter PDF
- UG-199: 评估ADP2121 6 MHz、降压转换器 PDF
- • UG-188：降压调节器ADP2119/ADP2120评估板用户指南 PDF
- • UG-179：ADP2300/ADP2301评估板用户指南 PDF
- • UG-189：ADP2302/ADP2303评估板用户指南 PDF
- UG-089: RedyKit for the ADP2140 PDF
- • UG-039：用于降压转换器ADP2108的RedyKit用户指南 PDF
- UG-038：用于ADP2504的RedyKit用户指南 PDF
- UG-060: Evaluation Board for the ADP2503/ADP2504, 600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converters PDF
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 | LTC3309A | 1 | 2.25 | 5.5 | 6 | 7.8 | Yes | 1.2m | Buck | $1.90 (LTC3309AEV#TRMPBF) |
| 2 | LT8210 | 1 | 2.8 | 100 | 25 | - | No | 18µ | Buck-Boost | $5.95 (LT8210EFE#PBF) |
| 3 | LT3002 | 1 | 4 | 36 | - | 4.5 | Yes | 380µ | Flyback, No-Opto Flyback | $2.80 (LT3002ES8E#PBF) |
| 4 | LT8636 | 1 | 3.4 | 42 | 5 | 10 | Yes | 1.7µ | Buck | $3.70 (LT8636EV#PBF) |
| 5 | LT3001 | 1 | 4 | 36 | - | 1.2 | Yes | 350µ | Flyback, No-Opto Flyback | $1.95 (LT3001ES5#TRMPBF) |
| 6 | LTM8024 (single output) | 1 | 3 | 40 | 7 | - | Yes | 90µ | Buck | $11.65 (LTM8024EY#PBF) |
| 7 | LTM8024 (dual output) | 2 | 3 | 40 | 3.5 | - | Yes | 90µ | Buck | $11.65 (LTM8024EY#PBF) |
| 8 | LTM4671 | 4 | 3.1 | 20 | 12 | - | Yes | 75m | Buck | $27.48 (LTM4671EY#PBF) |
| 9 | LTM4668A | 4 | 2.7 | 17 | 1.2 | - | Yes | 500µ | Buck | $6.55 (LTM4668AEY#PBF) |
| 10 | LTM4668 | 4 | 2.7 | 17 | 1.2 | - | Yes | 500µ | Buck | $6.55 (LTM4668EY#PBF) |
| 11 | LTM4664 (single output) | 1 | 30 | 58 | 50 | - | Yes | 2.3 | Buck | $57.48 (LTM4664EY#PBF) |
| 12 | LTM4664 (dual output) | 2 | 30 | 58 | 25 | - | Yes | 2.3 | Buck | $57.48 (LTM4664EY#PBF) |
| 13 | LTC7852 | 2 | - | - | 200 | 200 | No | 15m | Buck | $2.59 (LTC7852EUFD-1#PBF) |
| 14 | LT8551 | 1 | 3.6 | 80 | - | 100 | No | 5m | Boost | $2.95 (LT8551EUKG#PBF) |
| 15 | LT7101 | 1 | 4.4 | 105 | 1 | 1.2 | Yes | 200µ | Buck | $3.95 (LT7101EUHE#PBF) |
| 16 | LTC3376 | 4 | 3 | 20 | 3 | 5.25 | Yes | 42µ | Buck | $4.95 (LTC3376EY#PBF) |
| 17 | LTC3315A | 2 | 2.25 | 5.5 | 2 | 3.2 | Yes | 70µ | Buck | $1.80 (LTC3315AEV#TRMPBF) |
| 18 | LT8550 | 4 | 3.6 | 80 | 25 | - | No | 800µ | Boost, Buck | $2.95 (LT8550EUKG#PBF) |
| 19 | LT8316 | 1 | 16 | 600 | - | - | No | 470µ | Buck, Flyback, No-Opto Flyback | $2.18 (LT8316EFE#PBF) |
| 20 | ADP5076 | 2 | 2.85 | 5.5 | - | 2 | Yes | 3.5m | Boost, Inverting | $2.19 (ADP5076ACBZ-R7) |
| 21 | ADP5072 | 2 | 2.85 | 5.5 | - | 1 | Yes | 3.5m | Boost, Inverting | $2.19 (ADP5072ACBZ-R7) |
| 22 | LTC7151S | 1 | 3.1 | 20 | 15 | 18 | Yes | 2m | Buck | $4.10 (LTC7151SIV#PBF) |
| 23 | LTC3889 | 2 | 5 | 60 | 20 | 20 | No | 26m | Buck | $7.63 (LTC3889EUKG#PBF) |
| 24 | ADP1031 | 3 | 4.5 | 60 | - | 300m | Yes | 1.77m | Buck, Flyback, Inverting | $5.18 (ADP1031ACPZ-4-R7) |
| 25 | ADP1071-2 | 1 | 4.5 | 60 | - | - | Yes | 3.8m | Flyback | $3.50 (ADP1071-2ARWZ) |
| 26 | ADP1071-1 | 1 | 450m | 6 | - | - | Yes | 3.8m | Flyback | $3.50 (ADP1071-1ARWZ) |
| 27 | LTM8071 | 1 | 3.6 | 60 | 5 | - | Yes | 3µ | Buck | $14.53 (LTM8071EY#PBF) |
| 28 | LTM4700 (single output) | 1 | 4.5 | 16 | 100 | - | Yes | 50m | Buck | $97.26 (LTM4700EY#PBF) |
| 29 | LTM4700 (dual output) | 2 | 4.5 | 16 | 50 | - | Yes | 50m | Buck | $97.26 (LTM4700EY#PBF) |
| 30 | LTC3310S | 1 | 2.25 | 5.5 | 10 | 16 | Yes | 1.3m | Buck | $2.60 (LTC3310SEV#PBF) |
| 31 | LTM4638 | 1 | 3.1 | 20 | 15 | - | Yes | 18m | Buck | $13.80 (LTM4638EY#PBF) |
| 32 | LTM4626 | 1 | 3.1 | 20 | 12 | - | Yes | 18m | Buck | $10.50 (LTM4626EY#PBF) |
| 33 | ADP2450 | 2 | 4.5 | 36 | - | - | Yes | 1.35m | Boost, Buck | $1.50 (ADP2450ACPZ-1-R7) |
| 34 | LT8650S-1 | 2 | 3 | 42 | 4 | 8.5 | Yes | 3.7µ | Buck | $6.58 (LT8650SHV-1#PBF) |
| 35 | LT8645S-2 | 1 | 3.4 | 65 | 8 | 14 | Yes | 1.7µ | Buck | $4.75 (LT8645SEV-2#PBF) |
| 36 | LTC3897-2 | 1 | 4.5 | 65 | - | 30 | No | 55µ | Boost | $5.50 (LTC3897EUHG-2#PBF) |
| 37 | LT8643S-2 | 1 | 3.4 | 42 | 6 | 10 | Yes | 1.7µ | Buck | $4.65 (LT8643SEV-2#PBF) |
| 38 | LT8640S-2 | 1 | 3.4 | 42 | 6 | 10 | Yes | 1.7µ | Buck | $4.65 (LT8640SEV-2#PBF) |
| 39 | LT8609B | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.40 (LT8609BEMSE#PBF) |
| 40 | LT8609A | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.50 (LT8609AEMSE#PBF) |
| 41 | LT8609 | 1 | 3 | 42 | 2 | 3.5 | Yes | 2.5µ | Buck | $2.50 (LT8609EMSE#PBF) |
| 42 | LTC7840 | 2 | 5.5 | 60 | - | 60 | No | 3m | Boost, Flyback, Sepic | $3.20 (LTC7840EFE#PBF) |
| 43 | LTC3372 | 5 | 4.5 | 60 | 20 | 20 | No | 33µ | Buck | $5.75 (LTC3372EUK#PBF) |
| 44 | LT8708-1 | 1 | 2.8 | 80 | 15 | - | No | 4.7m | Buck-Boost | $6.60 (LT8708EUHG-1#PBF) |
| 45 | LT8708 | 1 | 2.8 | 80 | 15 | - | No | 3.9m | Buck-Boost | $6.60 (LT8708EUHG#PBF) |
| 46 | LTM8074 | 1 | 3.2 | 40 | 1.2 | - | Yes | 8µ | Buck | $3.83 (LTM8074EY#PBF) |
| 47 | LTM8002 | 1 | 3.4 | 40 | 2.5 | - | Yes | 25µ | Buck | $9.12 (LTM8002IY#PBF) |
| 48 | LTM4680 | 2 | 4.5 | 16 | 30 | - | Yes | 37m | Buck | $58.00 (LTM4680EY#PBF) |
| 49 | LTC3894 | 1 | 4.5 | 150 | 10 | - | No | 21µ | Buck | $2.55 (LTC3894EFE#PBF) |
| 50 | LT8361 | 1 | 2.8 | 60 | - | 2 | Yes | 22µ | Boost, Inverting, Sepic | $2.06 (LT8361EMSE#PBF) |
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