Switching Controllers

Switching controllers utilize external power MOSFETs to offer design engineers the flexibility to set output current levels and limits, that typically range from 5 A to 25 A per channel for synchronous designs. Analog Devices’ family of synchronous switching controllers provides high conversion efficiency with voltage rails down to 0.6 V with up to 50 A output. These products are highly programmable and deliver performance that is tailored to the application's requirements.

Available features include single and dual channels, precision enable input, programmable soft-start, Under Voltage Lock Out (UVLO), programmable current limit, voltage margining capability, tracking, sequencing, frequency synchronization, from 3 V to 24 V input voltage range, power good flag, and output accuracy to 0.5% at 25°C.

Analog Devices offers support resources and design tools to shorten your design time. View our switching controllers resource page for application notes, technical articles, data sheets, and user guides. Try “ADIsimPower”, a comprehensive online power design tool that delivers an optimized power circuit design and BOM in just four easy steps. Design Engineers can get online design help and exchange information with colleagues and ADI power experts on the Power Management Support Community on EngineerZone. Bookmark this page for your complete switching controllers resource.

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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
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