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The MAX77511MEWB is a high-performance power management IC that is a quad-phase, 3A/phase, configurable step-down Buck regulator that supports 1/2 Li+ battery input. With high efficiency, low power consumption and flexible output configurations, the ICs are suitable for a wide range of battery-powered devices.

MAX77511MEWB Features

High efficiency: Up to 94% peak efficiency (3.3VOUT, 7.4VIN).

Wide input voltage range: Supports input voltages from 2.3V to 10V.

Configurable Outputs: Supports single to four outputs, each phase can be flexibly configured as a high current multiphase output.

High output current: each phase supports 3A output current, total output current up to 12A.

Low EMI: Pseudo-random spread spectrum modulation effectively suppresses electromagnetic interference.

Flexible power sequencing: Built-in soft start/stop function, support dynamic voltage regulation (DVS).

Multiple Protection Functions: Including hard short-circuit protection, soft short-circuit protection, under-voltage lockout (UVLO) and thermal protection.

Multi-function GPIOs: 6 multi-function GPIOs for hardware Buck control.

MAX77511MEWB specifications

Input voltage range: 2.3V to 10V.

Output Voltage Range:

Low range: 0.25V to 1.3V (5mV steps).

High range: 1V to 5.2V (20mV steps).

Output Current: 3A per phase, up to 12A total output current.

Package: 64-pin WLP (3.54mm x 3.54mm).

Operating temperature range: -40°C to +125°C.

Switching frequency: 1MHz nominal switching frequency, supports pseudo-random spread spectrum.

MAX77511MEWB Applications

DSLRs, mirrorless cameras, HD video and sports cameras

2-cell Li+/Li ion devices

Laptop computers and robots

Embedded microprocessors, FPGAs or ASICs

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