Switching Controllers
The ADP1864 Buck Design portion of ADIsimPower can be downloaded as a stand-alone Excel-based tool.
Switching controllers offer flexibility to set output current level and limits ranging from zero to > 5 A for asynchronous designs and > 20 A channel for synchronous designs. Controller based switching regulators provide highest efficiency and performance that can be tailored to the application's requirements. Available features include single and dual channels, enable, softstart, UVLO, current limit, margining, tracking, frequency synchronization, 3 V to 24 V input voltage range, power good flag, and output accuracy to 0.5% accuracy 25°C.
ADIsimPower Voltage Regulator Design Tool produces ready-to-go designs optimized for efficiency, space, cost, or part count.
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Part#
Results: 7
| Vin Range | Pwr Stage Vin | Vout Adj Options | Multi-Output | Shutdown Current | Supply Current | Switching Frequency | Iout (max) | Synchronous | Step Down | Step Up | Pkg | Price* (1000-4999) |
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| ADP1621 | 2.9V-5.5V | As Low As 1V | Lossless ISens@<30V Vout, Resistor ISens@>30V | No | 10µA | 3mA | 100 KHz - 1.5 MHz | - | No | No | Yes | MSOP-10 |
$ |
| ADP1821 | 3.7V-5.5V | 1V-24V | 0.6V to 85% PwrStgVin | No | 10µA | 2mA | 300 kHz -600 kHz, Sync up to 1 MHz | 20A | Yes | Yes | No | QSOP-16 |
$ |
| ADP1822 | 3.7V-5.5V | 1V-24V | 0.6V to 85% PwrStgVin | No | 10µA | 2mA | 300 kHz-600 kHz; Sync up to 1 MHz | 20A | Yes | Yes | No | QSOP-24 |
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| ADP1823 | 3.7V-20V | 1V-24V | 0.6V to 85% PwrStgVin | Yes | 20µA | 3mA | 300 kHz-600 kHz, Sync up to 1 MHz | 20A | Yes | Yes | No | LFCSP-32 |
$ |
| ADP1828 | 3.0V-18V | 1V-24V | 0.6V to 85% PwrStgVin | No | 15µA | 3mA | 300 kHz to 600 kHz | - | Yes | Yes | No | QSOP-20 |
$ |
| ADP1829 | 3.0V-18V | 1V-24V | 0.6V to 85% PwrStgVin | Yes | 20µA | 3mA | 300 kHz-600 kHz, Sync up to 1 MHz | 20A | Yes | Yes | - | LFCSP-32 |
$ |
| ADP1864 | 3.15V-14V | 3.15V-14V | 0.8V to Vin | No | 15µA | 350µA | 580 kHz | 5A | No | Yes | No | TSOT-6 |
$ |