LDO 线性稳压器
ADI 公司制造各种各样的高性能低压降 (LDO) 线性稳压器。这些 LDO 线性稳压器提供极低压差、快速瞬态响应和出色的线路和负载调整，并具有在有线/无线和音频系统、FPGA/DSP/µC 电源以及 RF 和仪器仪表领域的最终应用中增加性能价值的功能。我们各式俱全的 LDO 线性稳压器具有各种各样的杰出特性，可满足您在任何设计中的需求，无论是需要低噪声、高 PSRR 还是紧凑封装。
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最新优势资源
设计笔记
- 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
- 用于数字IC电源的双通道线性稳压器可实现即时输出调整和动态裕量优化
- 负线性稳压器具有0.8 µV RMS噪声和74 dB电源抑制比（1 MHz时）
- DN228 - Isolated RS485 Transceiver Breaks Ground Loops
- DN157 - UltraFast Linear Regulator Eliminates All Bulk Tantalum and Electrolytic Output Capacitors
- DN529 - 通过任意长度的铜线控制远端负载的电压
- DN96 - 12-Bit Rail-to-Rail Micropower DACs in an SO-8
- DN170 - Battery Backup Regulator is Glitch-Free and Low Dropout
- DN172 - High Efficiency Linear and Switching Solutions for Splitting a Digital Supply
- DN121 - New Micropower, Low Dropout Regulators Ease Battery Supply Designs
- DN179 - Micropower 600kHz Step-Up DC/DC Converter Delivers 5V at 1A from a Li-Ion Cell
- DN220 - Lowest Noise SOT-23 LDOs Have 20µA Quiescent Current, 20µVrms Noise
- DN314 - 80V Linear Regulator is Micropower
- DN292 - Very Low Dropout (VLDO) Linear Regulators Supply Low Voltage Outputs
- DN119 - LT1580 Fast Response Low Dropout Regulator Achieves 0.4 Dropout at 4 Amps
- DN115 - Create a Virtual Ground with the LT1118-2.5 Sink/Source Voltage Regulator
- DN82 - 5V to 3.3V Regulator with Fail-Safe Switchover
- DN210 - 2-Phase, Dual Switching Regulator Fits in Tight Places
- DN367 - Tiny Versatile Buck Regulators Operate from 3.6V to 36V Input
- DN316 - Ultralow Noise Switching Power Supplies Simplify EMI Compliance
- DN74 - Techniques for Deriving 3.3V from 5V Supplies
- DN122 - Dual Regulators Power Pentium® Processor or Upgrade CPU
- DN91 - 5V to 3.3V Circuit Collection
- DN90 - High Efficiency Power Sources for Pentium TM Processors
- DN87 - Fast Regulator Paces High Performance Processors
技术文章
- 旁路电容和耦合电容：以正确的方式稳定电压
- 无需专用隔离反馈回路的简洁反激式控制器设计
- 用于精密测试和测量系统的双极性电源解决方案
- 如何产生低噪声电压
- ADIsimPower Provides Robust, Customizable DC-DC Converter Designs
- The Fundamentals of LDO Design and Applications
- 为工业4.0启用可靠的基于状态的有线监控第一部分
- 防止由电源线引起的电压波动
- 无需光耦合器的反激式转换器： 现有选项
- 使用超低噪声LDO提供“干净”的电源
- Low Noise Power Supplies Come in Many Flavors: Part 1 - Linear Regulators
- 采用 LT8614 和 LT3083 / LT6015 的混合宽调光比线性 LED 电流控制器
- 数字控制实现带有源缓冲的 高可靠性DC-DC功率转换
- Common Questions About the LTC2668 Family of 16bit VOUT DACs
- AN159: Measuring 2nV/√Hz Noise and 120dB Supply Rejection on Linear Regulators - The Quest for Quiet
- A New Era in Space Products - Radiation Tolerant
- Shutdown with the LT3080x Current Source Reference Linear Regulators
- Increasing Output Current of the Ultralow Noise, Ultrahigh PSRR LT3042 200mA Linear Regulator
- Paralleling Linear Regulators Made Easy
- Loop Gain and its Effect on Analog Control Systems
- Output Voltage Noise Measurements for Linear Regulators
- Linear Regulators with Active Output Discharge Target Systems Needing Fast Power Down
- High Performance Portable DC Bench Power Supply: Save Money and Free Up Bench Real Estate by Building Your Own
- Dual 500mA µPower LDO Features Independent 1.8V–20V Inputs and Easy Sequencing in a 4mm × 3mm DFN
- Part 2: Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards
- Diode Turn-On Time Induced Failures in Switching Regulators
- 3µA Quiescent Current LDO Improves Efficiency for Low Power Circuits in Industrial, Automotive and Battery-Powered Systems
- LDO Linear Regulators Rival Switchers for Efficiency
- Power Supply Tracking for Linear Regulators
- Dual Regulators Offer Flexibility with Independent Shutdown Control and Adjustable Start-Up Timing
- Hot Swap Controller with Power-Up Timeout Function Simplifies Hot Swapping Boards with Multiple Power Supplies
- Very Low Dropout (VLDO) Linear Regulator Outperforms Switching Regulators in Low VOUT Applications
- Micropower Negative LDO Provides a Quiet Output in SOT-23
- Micropower LDO Has the Lowest Noise and Quiescent Current in SOT-23
在线研讨会
应用笔记
- AN-1421：并联ADP1763 LDO稳压器以支持高输出电流应用 (Rev. 0) PDF
- AN159 - Measuring 2nV/√Hz Noise and 120dB Supply Rejection on Linear Regulators PDF
- AN52 - Linear Technology Magazine Circuit Collection, Volume 1 PDF
- AN65 - A Fourth Generation of LCD Backlight Technology PDF
- AN126 - 2-Wire Virtual Remote Sensing for Voltage Regulators - Clairvoyance Marries Remote Sensing PDF
- AN-1120: 低压差(LDO)调节器的噪声源 (Rev. 0) PDF
- AN-1099: ADI公司LDO电容选型指南 (Rev. 0) PDF
- AN-1072: 在系统中成功运用低压差稳压器 (Rev. 0) PDF
- AN63 - Power for Pentium Processors; Meeting VRE Requirements PDF
- AN98 - Signal Sources, Conditioners and Power Circuitry Circuits of the Fall, 2004 PDF
- AN101 - Minimizing Switching Regulator Residue in Linear Regulator Outputs PDF
- AN84 - Linear Technology Magazine Circuit Collection, Volume IV PDF
- AN83 - Performance Verification of Low Noise, Low Dropout Regulators PDF
- AN70 - A Monolithic Switching Regulator with 100µV Output Noise PDF
- AN69 - LT1575 UltraFast Linear Controller Makes Fast Transient Response Power Supplies PDF
- AN67 - Linear Technology Magazine Circuit Collection, Volume III PDF
- AN66 - Linear Technology Magazine Circuit Collection, Volume II PDF
- AN64 - Using the LTC1325 Battery Management IC: PDF
- AN60 - PCMCIA Card and Card Socket Power Management: PDF
- AN58 - 5V to 3.3V Converters for Microprocessor Systems PDF
- AN54 - Power Conversion from Milliamps to Amps at Ultra-High Efficiency (Up to 95%) PDF
- AN53 - Micropower High Side MOSFET Drivers PDF
- AN51 - Power Conditioning for Notebook and Palmtop Systems PDF
解决方案通报和手册
视频
- 直接采样的S频段16通道接收/发送相控阵平台
- ADI公司：LIDAR FPGA开发平台
- ADI公司的3D飞行时间开发平台
- ADI公司和ARROW推出的3D飞行时间开发套件
- 完成您的电子设计
- LT3094 — 在 1MHz 具 0.8µVRMS 噪声的负 LDO
- 用于状态监控的新一代传感器
- 低电压电源
- 具可编程电流限值的低噪声轨至轨负稳压器
产品选型手册
LDO 线性稳压器
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Output Current 2 (typ) (A) | Output Voltage | Isupply (typ) (A) | RMS Noise (typ) (V) | Dropout Voltage (typ) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LT3072 | 2 | 900m | 3.45 | 2.5 | 2.5 | Adj | 7m | 12µ | 80m | $4.20 (LT3072EUFF#PBF) |
| 2 | LT3093 | 1 | -20 | -1.8 | 200m | - | Adj | 2.35m | 800n | 190m | $2.25 (LT3093EDD#PBF) |
| 3 | LT3040 | 1 | 1.8 | 20 | 200m | - | Adj | 1.9m | 1.2µ | 350m | $2.25 (LT3040EDD#PBF) |
| 4 | LT3094 | 1 | -20 | -1.8 | 500m | - | Adj | 2.35m | 800n | 235m | $2.80 (LT3094EDD#PBF) |
| 5 | LT3033 | 1 | 950m | 10 | 3 | - | Adj | 1.9m | 60µ | 95m | $3.05 (LT3033EUDC#PBF) |
| 6 | LT3070-1 | 1 | 950m | 3 | 5 | - | Adj | 1m | 25µ | 85m | $4.20 (LT3070EUFD-1#PBF) |
| 7 | LT3045-1 | 1 | 1.8 | 20 | 500m | - | Adj | 2.2m | 800n | 260m | $2.80 (LT3045EDD-1#PBF) |
| 8 | ADP7185 | 1 | -5.5 | -2 | 500m | - | -0.5, -1, -1.2, -1.5, -1.8, -2.5, -3, -3.3, Adj | 600µ | 5µ | 190m | $1.65 (ADP7185ACPZN0.5-R7) |
| 9 | ADP1765 | 1 | 1.1 | 1.98 | 5 | - | 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.25, 1.3, 1.5 | 5m | 2µ | 59m | $6.79 (ADP1765ACPZ0.85-R7) |
| 10 | ADP1764 | 1 | 1.1 | 1.98 | 4 | - | 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.25, 1.3, 1.6 | 5m | 2µ | 47m | $5.29 (ADP1764ACPZ0.85-R7) |
| 11 | LT3045 | 1 | 1.8 | 20 | 500m | - | Adj | 2.4m | 800n | 260m | $2.80 (LT3045EDD#PBF) |
| 12 | ADP7183 | 1 | -5.5 | -2 | 300m | - | -0.5, -1, -1.2, -1.5, -1.8, -2.5, -3, -3.3, Adj | 600µ | 4µ | 130m | $1.45 (ADP7183ACPZN0.5-R7) |
| 13 | LT3089 | 1 | 1.2 | 36 | 800m | - | Adj | 1.1m | 27µ | 1.47 | $2.13 (LT3089EDF#PBF) |
| 14 | ADP7159 | 1 | 2.3 | 5.5 | 2 | - | Adj | 4m | 1.6µ | 200m | $3.05 (ADP7159ACPZ-01-R7) |
| 15 | ADP7158 | 1 | 2.3 | 5.5 | 2 | - | 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 | 4m | 1.6µ | 200m | $3.05 (ADP7158ACPZ-1.2-R7) |
| 16 | ADP7157 | 1 | 2.3 | 5.5 | 1.2 | - | Adj | 4m | 1.6µ | 120m | $2.69 (ADP7157ACPZ-01-R7) |
| 17 | ADP7156 | 1 | 2.3 | 5.5 | 1.2 | - | 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 | 4m | 1.6µ | 120m | $2.69 (ADP7156ACPZ-1.2-R7) |
| 18 | ADP1763 | 1 | 1.1 | 1.98 | 3 | - | 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 | 4.5m | 2µ | 95m | $3.99 (ADP1763ACPZ0.95-R7) |
| 19 | ADP1762 | 1 | 1.1 | 1.98 | 2 | - | 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 | 4.5m | 2µ | 62m | $3.49 (ADP1762ACPZ0.95-R7) |
| 20 | ADP1761 | 1 | 1.1 | 1.98 | 1 | - | 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 | 4.5m | 2µ | 30m | $3.09 (ADP1761ACPZ0.95-R7) |
| 21 | LT3066 | 1 | 1.8 | 45 | 500m | - | Adj | 64µ | 25µ | 300m | $2.00 (LT3066EDE#PBF) |
| 22 | LT3091 | 1 | -36 | -1.5 | 1.5 | - | -Adj | 1.2m | 18µ | 300m | $2.87 (LT3091EDE#PBF) |
| 23 | LT3088 | 1 | 1.2 | 36 | 800m | - | Adj | 400µ | 27µ | 1.35 | $1.95 (LT3088EST#PBF) |
| 24 | RH1965 | 1 | 1.8 | 20 | 900m | - | Adj | 500µ | 40µ | 310m | - |
| 25 | LT3042 | 1 | 1.8 | 20 | 200m | - | Adj | 2m | 800n | 350m | $2.25 (LT3042EDD#PBF) |
| 26 | LT3062 | 1 | 1.6 | 45 | 200m | - | Adj | 45µ | 30µ | 300m | $1.60 (LT3062EDCB#TRPBF) |
| 27 | LT3061 | 1 | 1.6 | 45 | 100m | - | Adj | 45µ | 30µ | 250m | $1.55 (LT3061EDCB#TRPBF) |
| 28 | ADP7142 | 1 | 2.7 | 40 | 200m | - | 1.8, 2.5, 3.3, 5, Adj | 50µ | 11µ | 200m | $1.10 (ADP7142ACPZN1.8-R7) |
| 29 | ADP7118 | 1 | 2.7 | 20 | 200m | - | 1.8, 2.5, 3.3, 5 | 50µ | 11µ | 200m | $0.77 (ADP7118ACPZN1.8-R7) |
| 30 | ADP7112 | 1 | 2.7 | 20 | 200m | - | 1.8, 2.5, 3.3, 5 | 50µ | 11µ | 200m | $0.53 (ADP7112ACBZ-1.2-R7) |
| 31 | ADP166 | 1 | 2.2 | 5.5 | 150m | - | 1.2, 1.8, 2.2, 2.3, 2.85, 3, 3.3 | 590n | 105µ | 120m | $0.35 (ADP166ACBZ-1.2-R7) |
| 32 | ADP165 | 1 | 2.2 | 5.5 | 150m | - | 1.2, 1.8, 2.2, 2.3, 2.85, 3, 3.3 | 590n | 105µ | 120m | $0.35 (ADP165ACBZ-1.2-R7) |
| 33 | ADM7155 | 1 | 2.3 | 5.5 | 600m | - | Adj | 6.5m | 1.6µ | 120m | $2.14 (ADM7155ACPZ-01-R7) |
| 34 | ADM7154 | 1 | 2.3 | 5.5 | 600m | - | 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 | 4m | 1.6µ | 120m | $2.14 (ADM7154ACPZ-1.2-R7) |
| 35 | RH3083MK | 1 | 1.2 | 23 | 2.8 | - | Adj | 350µ | 40µ | 310m | - |
| 36 | LT3063 | 1 | 1.6 | 45 | 200m | - | Adj | 45µ | 30µ | 300m | $1.67 (LT3063EDCB#TRPBF) |
| 37 | ADM7172 | 1 | 2.3 | 6.5 | 2 | - | 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 | 700µ | 5µ | 172m | $1.79 (ADM7172ACPZ-1.3-R7) |
| 38 | ADM7171 | 1 | 2.3 | 6.5 | 1 | - | 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 | 700µ | 5µ | 84m | $1.19 (ADM7171ACPZ-1.3-R7) |
| 39 | ADM7170 | 1 | 2.3 | 6.5 | 500m | - | 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 | 700µ | 5µ | 42m | $0.88 (ADM7170ACPZ-1.3-R7) |
| 40 | LT3065 | 1 | 1.8 | 45 | 500m | - | 1.2, 1.5, 1.8, 2.5, 3.3, 5, Adj | 55µ | 25µ | 300m | $1.85 (LT3065EDD#PBF) |
| 41 | LT3090 | 1 | -36 | -1.5 | 600m | - | -Adj | 1m | 18µ | 300m | $2.15 (LT3090EDD#PBF) |
| 42 | ADM7151 | 1 | 4.5 | 16 | 800m | - | Adj | 4.3m | 1.6µ | 600m | $3.64 (ADM7151ACPZ-02-R7) |
| 43 | ADM7150 | 1 | 4.5 | 16 | 800m | - | 1.8, 2.8, 3.0, 3.3, 4.5, 4.8, 5.0 | 4.3m | 1.6µ | 600m | $3.64 (ADM7150ACPZ-1.8-R7) |
| 44 | LT3081 | 1 | 1.2 | 36 | 1.5 | - | Adj | 1.1m | 27µ | 1.21 | $2.60 (LT3081EDF#PBF) |
| 45 | LT3055 | 1 | 2 | 45 | 500m | - | Adj | 65µ | 25µ | 350m | $2.20 (LT3055EDE#PBF) |
| 46 | ADP7105 | 1 | 3.3 | 20 | 500m | - | 1.8, 3.3, 5.0, Adj | 400µ | 15µ | 350m | $1.43 (ADP7105ACPZ-1.8-R7) |
| 47 | LT3030 | 2 | 1.8 | 20 | 750m | 250m | Adj | 120µ | 20µ | 300m | $3.27 (LT3030EFE#PBF) |
| 48 | LT3007 | 1 | 2 | 45 | 20m | - | 1.2, 1.5, 1.8, 2.5, 3.3, 5, Adj | 3µ | 92µ | 300m | $1.20 (LT3007ETS8#TRPBF) |
| 49 | ADP7182 | 1 | -28 | -2.7 | 200m | - | -1.2, -1.5, -1.8, -2.5, -3, 5, -5 | 33µ | 18µ | 185m | $1.29 (ADP7182ACPZN-1.2R7) |
| 50 | ADM7160 | 1 | 2.2 | 5.5 | 200m | - | 1.8, 2.5, 3.3 | 10µ | 9µ | 150m | $0.44 (ADM7160ACPZN1.8-R7) |
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