Controller IC Chip - MAXIM 8717E TI MAX8717E 8717ETI QFN-28
SMPS Controller IC Power Chip - MAXIM 8717E TI MAX8717E 8717ETI QFN-28
Part number: | 8717ETI | Pin: | QFN-28 | ||
Part type: | SMPS Controller IC Chip | Κατάσταση: | Καινούργιο | ||
Revision: | _ | Εγγύηση: | Χωρίς Εγγύηση |
Συμβατά P/N & μοντέλα:
MAX8717E, MAX8717E TI, MAX8717ETI, 8717E, 8717ETI, MAX8717E QFN-28
The MAX8716/MAX8717/MAX8756/MAX8757 are dual, step-down, interleaved, fixed-frequency, switch-mode power-supply (SMPS) controllers with synchronous rectification. The MAX8716/MAX8717/MAX8756/MAX8757 are intended for main (5V/3.3V) power generation, while the MAX8756 is optimized for I/O power rails in battery powered systems.
Fixed-frequency operation with optimal interleaving minimizes input ripple current from the lowest input voltages up to the 26V maximum input. Optimal 40/60 interleaving allows the input voltage to go down to 8.3V before duty-cycle overlap occurs in 5V/3.3V applications, compared to 180° out-of-phase regulators where the dutycycle overlap occurs when the input drops below 10V.
Accurate output current limit is achieved using a sense resistor. Alternatively, power dissipation can be reduced using lossless inductor current sensing.
Independent ON/OFF controls and power-good signals allow flexible power sequencing. Soft-start reduces inrush current, while soft-stop gradually ramps the output voltage down preventing negative voltage dips.
A low-noise mode maintains high light-load efficiency while keeping the switching frequency out of the audible range.
The MAX8716 is available in a 24-pin thin QFN package, and the MAX8717/MAX8756/MAX8757 are available in a 28-pin thin QFN package.