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Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking
Analog Devices Inc.
Description
The ADP1823 is a versatile, dual, interleaved, synchronous, PWM buck controller that generates two independent output rails from an input of 3.7 V to 20 V, with a power input voltage that ranges...
Features
Fixed-frequency operation: 300 kHz, 600 kHz, or synchronized operation up to 1 MHz Supply input range: 3.7 V to 20 V Wide power stage input range: 1 V to 24 V Interleaved operation results in smaller, low cost input capacitor All-N-channel MOSFET design for low cost ±0.85% accuracy at 0°C to 70°C Soft start, thermal overload, current-limit protection 10 ?A shutdown supply current Internal linear regulator Lossless RDSON current-limit sensing Reverse current protection during soft start for handling precharged outputs Independent Power OK (POK) outputs
Related Datasheets
| Part Number | Description | Category |
| • ADP1621 | Constant-Frequency, Current-Mode Step-Up DC/DC Controller | ICs, Interface |
| • ADP1821 | Step-Down DC-to-DC Controller | ICs, Interface |
| • ADP1822 | PWM, Step-Down DC-to-DC Controller with Margining and Tracking | ICs, Interface |
| • ADP1823 | Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking | ICs, Interface |
| • ADP1828 | Synchronous Buck PWM, Step-Down, DC-to-DC Controller | ICs, Interface |
| • ADP1829 | Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking | ICs, Interface |
| • ADP1864 | Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT | ICs, Interface |
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