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MAX77540AAWV+T is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC REG BUCK PROG 3A/3A DL 30WLP. Review the specifications below when checking this part for your BOM.
The MAX77540AAWV+T is a high-efficiency buck converter featuring two 3A switch phases, designed for single-cell lithium-ion and 5V DC systems. It utilizes an adaptive constant on-time (COT) current mode control architecture. The dual phases can be configured as one 6A output or two independent 3A outputs. Input voltage ranges from 2.2V to 5.5V, with adjustable output voltages between 300mV and 5.2V. The device supports programmable switching frequencies of 500kHz, 1MHz, and 1.6MHz. It operates within a junction temperature range of -40°C to +125°C and features a static current of 215µA.
Verify the specific suffix 'T' indicates tape and reel packaging when sourcing. Confirm the AA variant specifications against official Analog Devices documentation to ensure compatibility with required input voltage ranges and thermal performance targets. Cross-reference the WLP-30 package dimensions for PCB layout requirements.
Select this component for applications requiring flexible phase configuration between high-current single-output or dual-output topologies. The wide input voltage range accommodates direct connection to single-cell lithium batteries without additional boost stages. Consider the I2C adjustability for systems requiring dynamic voltage scaling during operation.
This part belongs to the MAX77540 family of high-efficiency synchronous buck converters. It shares architectural similarities with other Maxim Integrated PMICs but is distinct in its specific 2.2V to 5.5V input range and WLP-30 footprint. It serves as a compact power solution for space-constrained portable electronics.
MAX77540AAWV+ is the non-tape-and-reel equivalent. MAX77540AAWE+ is a different package variant; verify pinout and thermal characteristics before substitution.
Yes, the two 3A switch phases can be configured as two independent 1-phase 3A outputs.
The output voltage can be further adjusted via an I2C-compatible interface after being preset by external resistors.
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