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The MAX20414ATGA/V are high-efficiency, dual-output, low-voltage DC-DC converters. the OUT1 output boosts the input voltage to as high as 8.5 V with a current of up to 750 mA, while the synchronous buck-type converter (OUT2) operates over a 3.0 V to 5.5 V input voltage range, providing a 0.8 V to 3.8 V output voltage with a load current of up to 3 A. Over the entire load, supply and temperature ranges, the buck converter can achieve ±2% accuracy and the buck converter can achieve ±1.5% accuracy.

The ICs can operate in 2.2MHz fixed-frequency pulse-width modulation (PWM) mode for better noise immunity and load transient response, or in pulse frequency modulation (SKIP) mode to ensure efficient operation at light loads. 2.2MHz operation allows the use of all-ceramic capacitors, which minimizes the footprint of external components. Programmable spread spectrum modulation minimizes electromagnetic emissions. The integrated low RDS(ON) switch greatly improves efficiency at heavy loads and simplifies circuit layout compared to discrete solutions.

The IC's buck converter uses a factory preset or resistor-adjustable output voltage, and the buck converter output voltage is factory preset. Other features include soft-start, over-current and over-temperature protection. The high-efficiency, dual-output, low-voltage DC-DC converters are available in a lead-free, 24-pin, TQFN package.

Features

Versatile, small form factor

Synchronous 750mA boost converter

3.8V to 8.5V fixed output voltage in 100mV steps

Up to 3A synchronous buck converter

Factory configurable output voltage: 0.8V to 3.8V in 25mV steps

Resistor adjustable

3.0V to 5.5V operating voltage

2.2MHz operation

93% ±3% undervoltage threshold

107% ±3% overvoltage threshold

Separate EN_ input and active-low RESET_ outputs

High Accuracy

±2% output voltage accuracy (OUT1) and ±1.5% output voltage accuracy (OUT2)

Good load transient response

Supports reliability in automotive environments

Current mode, forced PWM, or skip pulse operation modes

Thermal and short-circuit protection

4mm × 4mm, 24-pin, TQFN package

-40°C to +125°C automotive-grade temperature range

Applications

ADAS

Entertainment

SOC power supplies

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