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AI Processor Chip

Interface-Serial Digital Interface (SDI) IC

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MAX77801HEWP (20-WLP) 5.5V Input, 2A High Efficiency Step-Down Regulator

MAX77801HEWP (20-WLP) 5.5V Input, 2A High Efficiency Step-Down Regulator

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

Description:The MAX77801HEWP is an efficient boost/buck converter for single lithium-ion battery powered applications. The device provides a regulated output from 2.6V to 4.18V with input voltages from 2.3V to 5.5V. The device maintains a stable outpu…

Description:

The MAX77801HEWP is an efficient boost/buck converter for single lithium-ion battery powered applications. The device provides a regulated output from 2.6V to 4.18V with input voltages from 2.3V to 5.5V. The device maintains a stable output voltage of 2.6V to 4.18V over an input voltage range of 2.3V to 5.5V, and supports output currents of up to 2A in boost mode and 3A in buck mode.


The device seamlessly transitions between buck and boost modes. The unique control algorithm achieves high efficiency and excellent load and line transient response. Dedicated enable and power normal pins allow for simple hardware control. The I2C serial interface is optional for dynamic voltage adjustment, system power optimization and fault read back.


Features:

VIN range: 2.30V to 5.5V

VOUT range: 2.60V to 4.18V (I2C programmable, 12.5mV step size)

Output current up to 2A in boost mode (VIN= 3.0V, VOUT= 3.4V)

Output current up to 3A in buck mode

Peak efficiency up to 97%

SKIP mode to optimize light load efficiency

Low static current: 55µA (typical)

3.4MHz high-speed I2C serial interface

Dynamic voltage regulation (DVS) function

Good power output

2.5MHz switching frequency

Protective characteristic

Soft boot

Thermal shutoff

Overvoltage protection

Overcurrent protection

2.13mm x 1.83mm, 20-pin WLP package

应用电路图.png

Applications:

Single lithium-ion battery powered device

Handheld scanners, mobile payment terminals, security cameras

AR/VR headsets


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