开关控制器

开关控制器使用外部功率MOSFET，设计工程师可以灵活地设置输出电流水平和限值；针对同步设计，每通道的输出电流范围通常是5 A至25 A。ADI公司的同步开关控制器系列提供高转换效率，电压轨最低可达0.6 V，电流输出最高可达50 A。这些产品是高度可编程的，能够提供适合应用要求的性能。

产品特性包括：单通道和双通道、精密使能输入、可编程软启动、欠压闭锁(UVLO)、可编程电流限值、电压余量微调、跟踪、时序控制、频率同步、3V-24V输入电压范围、电源良好指示以及25°C时0.5%的输出精度。

ADI公司提供支持资源和设计工具以帮助客户缩短设计时间。欲查看应用笔记、技术文章、数据手册和用户指南，请访问开关控制器资源页面欢迎使用ADIsimPower这款综合性在线电源设计工具，只需简单的四步就能获得优化的电源电路设计和BOM。设计工程师可以访问中文技术论坛(EngineerZone)，获得在线设计帮助并与同行和ADI电源专家交流。本网页提供有关开关控制器的全方位资源，欢迎收藏。

Circuit from the lab 已完成设计、测试，可供立即集成

Switching Controllers

Part Number Description Vin (min) V Vin (max) V Power Input Voltage (V) Power Input Voltage (max) Vout Adjustable (min)(V) Vout Adjustable (max)(V) Multiple output Shutdown (max) (µA) Iout (A) Switching Feequency Synchronous Package Pricing ($@1k)
ADP1621 Constant-Frequency, Current-Mode Step-Up DC/DC Controller 2.9 5.5 1 100 1.215 100 - 10 10 100kHz to 1.5MHz - MSOP-10 1.32
ADP1821 Step-Down DC-to-DC Controller 3.7 5.5 1 24 0.6 Vin*0.85 - 10 20 300kHz to 600kHz Sync up to 1MHz Yes QSOP-16 1.41
ADP1822 PWM, Step-Down DC-to-DC Controller with Margining and Tracking 3.7 5.5 1 24 0.6 Vin*0.85 - 10 20 300kHz to 600kHz Sync up to 1MHz Yes QSOP-24 1.46
ADP1823 Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking 3.7 18 1 24 0.6 Vin*0.85 Yes 10 30 300kHz to 600kHz Sync up to 1MHz Yes LFCSP-32 2.19
ADP1828 Synchronous Buck PWM, Step-Down, DC-to-DC Controller 3 20 1 24 0.6 Vin*0.85 - 15 30 300kHz to 600kHz Yes QSOP-20, LFCSP-20 1.52
ADP1829 Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking 3 18 1 24 0.6 Vin*0.85 Yes 10 30 300kHz to 600kHz Sync up to 1MHz Yes LFCSP-32 2.13
ADP1850 Dual Output Synchronous Buck PWM Controller 2.75 20 2.75 20 0.6 Vin*0.90 Yes 100 30 200kHz to 1.5MHz Yes LFCSP-32 1.85
ADP1851 Wide Range Input, Synchronous, step-Down DC-to-DC Controller 2.75 20 2.75 20 0.6 Vin*0.90 - 100 25 200kHz to 1.5MHz Yes LFCSP-16 1.05
ADP1853 Synchronous, Step-Down DC-to-DC Controller with Voltage Tracking and Synchronization 2.75 20 2.75 20 0.6 Vin*0.90 - 100 25 200kHz to 1.5MHz Yes LFCSP-20 1.2
ADP1864 Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT 3.15 14 3.15 14 0.8 Vin - - 8 580kHz - TSOT-6 1.06
ADP1870 Synchronous Current-Mode with Constant On-Time, Buck Controller 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes MSOP-10, LFCSP 10 1.08
ADP1871 Synchronous Current-Mode with Constant On-Time, Buck Controller, Power Saving Mode 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes MSOP-10, LFCSP 10 1.08
ADP1872 Synchronous Current-Mode Buck Controller with Constant On-time and 0.6V Reference 2.75 5.5 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz - MSOP-10 1.03
ADP1873 Synchronous Current-Mode Buck Controller with Constant On-time, 0.6V Reference, and Power Saving Mode 2.75 5.5 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz - MSOP-10 1.03
ADP1874 Synchronous Buck Controller with Constant On-Time and Valley Current Mode 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes QSOP-16 1.32
ADP1875 Synchronous Buck Controller with Constant On-Time, Valley Current Mode, and Power Saving Mode 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes QSOP-16 1.32
ADP1876 Dual OUtput Synchronous Buck PWM Controller plus Linear Regulator 2.75 20 1 20 0.6 Vin*0.90 Yes 200 25 600kHz Yes LFCSP-32 1.89
ADP1877 Dual Output Synchronous Buck PWM Controller 2.75 14.5 2.75 14.5 0.6 Vin*0.90 Yes 200 30 200kHz to 1.5MHz Yes LFCSP-32 1.69
ADP1878 Synchronous Buck Controller with Constant On-Time and Valley Current Mode 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes LFCSP-14 1.28
ADP1879 Synchronous Buck Controller with Constant On-Time, Valley Current Mode, and Power Saving Mode 2.95 20 2.9 20 0.6 Vin*0.85 - 140 25 300KHz; 600KHz; 1.0MHz Yes LFCSP-14 1.28
ADP1882 Synchronous Current-Mode Buck Controller with Constant On-time and 0.8V Reference 2.75 5.5 2.9 20 0.8 Vin*0.85 - 140 25 300KHz; 600KHz; 1.2MHz - MSOP-10 1.03
ADP1883 Synchronous Current-Mode Buck Controller with Constant On-time, 0.8V Reference, and Power Saving Mode 2.75 5.5 2.9 20 0.8 Vin*0.85 - 140 25 300KHz; 600KHz; 1.2MHz - MSOP-10 1.03
Enter values and click on ADIsimPower to find power management solutions. Launch of ADIsimPower Voltage Regulator Design Tool
Available System Voltage Operating Voltage Rail Load Current
Vin (min) V Vin (max) V Vout V Iout A

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