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The MAX20003EATPB/VY are small synchronous buck converters with integrated high-side and low-side MOSFETs. each device is designed to deliver up to 2A/3A output at input voltages from 3.5V to 36V, while using only 15µA quiescent current. Voltage quality can be monitored by observing the PGOOD signal. The devices operate at 98% duty cycle, making them ideal for automotive applications. The devices offer a fixed output voltage of 5V/3.3V and an output voltage programmable from 1V to 10V. Frequency is programmable through a ground resistor on the FOSC pin, and the frequency is programmable from 220kHz to 2.2MHz through a ground resistor on the FOSC pin. These devices offer strong frequency setting and frequency hopping modes with ultra-low quiescent voltage. They are also available in frequency-hopping mode with an ultra-low quiescent current of 15µA. They have pins that can be programmed to turn the spread spectrum mode on/off.

Product Attributes

Function: Buck

Output Configuration: Positive

Topology: Buck

Output Type: Programmable (Fixed)

Number of Outputs: 1

Voltage - Input (Min): 3.5V

Voltage - Input (Max): 36V

Voltage - Output (Min/Fixed): 1V (3.3V)

Voltage - Output (Max): 10V

Current - Output: 3A

Frequency - Switch: 220kHz ~ 2.2MHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 125°C (TJ)

Mounting Type: Surface Mount

Package/Shell: 20-WQFN Exposed Pad

Supplier Device Package: 20-TQFN (5x5)

Applications

● Automotive point-of-load applications

● Distributed DC power systems

● Navigation and radio hosts

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