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Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking ADP1823
FEATURES
Fixed-frequency operation: 300 kHz, 600 kHz, or synchronized operation up to 1 MHz Supply input range: 2.
9 V to 20 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 μA shutdown supply current Internal linear regulator Lossless RDSON current-limit sensing Reverse current protection during soft start for handling precharged outputs Independent Power OK outputs
Voltage tracking for sequencing or DDR termination Available in 5 mm × 5 mm, 32-lead LFCS...