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The MAX20002ATPB/V are small synchronous buck converters with integrated high-side and low-side MOSFETs, each designed for input voltages from 3.5V to 36V, output currents up to 2A/3A, and no-load quiescent currents of only 15µA. Voltage quality can be monitored by observing the PGOOD signal. These devices operate at 98% duty cycle, making them ideal for automotive applications.

The devices have a fixed output voltage of 5V/3.3V and the output voltage can be programmed from 1V to 10V. Frequency is programmable through a ground resistor on the FOSC pin from 220kHz to 2.2MHz, and the devices offer strong frequency setting and frequency hopping modes with an ultra-low quiescent current of 15µA. The pins can be programmed to turn spread spectrum on/off, further helping system designers achieve better EMC management.

The MAX20002ATPB/V are available in a small 5mm x 5mm 20-pin TQFN package with exposed pads and use very few external components.

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: 2A  

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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