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MAX77711EEWB A 4-Phase, 3A/Phase, Configurable, High Efficiency Buck Converter

MAX77711EEWB A 4-Phase, 3A/Phase, Configurable, High Efficiency Buck Converter

Source:our siteTime:2024-12-13Views:

Description:The MAX77711EEWB is a four-phase, 3A/ phase, configurable, single-to-quad output, step-down Buck regulator that supports 1/2 Li+ battery input. The output voltage can be set via the I2C interface and ranges from 0.25V to 5.2V. The Buck fea…

Description:

The MAX77711EEWB is a four-phase, 3A/ phase, configurable, single-to-quad output, step-down Buck regulator that supports 1/2 Li+ battery input. The output voltage can be set via the I2C interface and ranges from 0.25V to 5.2V. The Buck features four combinable 3A switching phases (Φ), supporting up to four regulated outputs.


The 6-way GPIO can be used for I/O expansion or buck status and control. Pseudorandom spread spectrum modulation can effectively suppress EMI. The soft start, soft stop, and DVS conversion time can be set using I2C. The MAX77711 offers a 300mA linear regulator.


Block diagram:

功能框图.png

Features:

3A/ phase equipped with Buck regulator

3A, 6A, 9A or 12A output current capability

2.3V to 10V input voltage range

Output voltage range 0.25V to 5.2V

0.25V to 1.3V (5mV steps) @ Low range

1V to 5.2V (20mV steps) @ High range

Pin to set output/phase (Φ) configuration

4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, (1+1+1+1)Φ

Use 2520 small inductance high efficiency, low heat

94% peak (3.3VOUT, 7.4VIN)

85% peak (1.1VOUT, 7.4VIN)

1MHz nominal switching frequency per phase

Pseudo random spread spectrum option

6-channel multi-function GPIO is used for hardware Buck control

Enable, DVS, FPWM, and power supply are ready

300mA pMOS LDO (MAX77711 only)

Built-in flexible power ordering with soft start/stop

Protection function

Hard and soft short circuit protection, UVLO and thermal protection


Applications:

DSLR, mirrorless camera, HD video and action camera

2 sections of Li+/ Li-ion equipment

Laptops and robots

Embedded microprocessor, FPGA or ASIC


[Supply, Recycle] MLX90382LLW-ABA-100-RE (Melexis) 14-Bit Triaxis® High-Speed Encoder IC Return to
column MAX77801HEWP (20-WLP) 5.5V Input, 2A High Efficiency Step-Down Regulator

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