MAX1921

PRODUCTION

Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23

Data Sheet (Rev. 3)

Part Models: 10
1ku List Price: Starting From $1.78

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Part Details

400mA Guaranteed Output Current

Internal Synchronous Rectifier for >90% Efficiency

Tiny 6-Pin SOT23 Package

Available in 6-Pin TDFN Package (MAX1920)

Up to 1.2MHz Switching Frequency for Small External Components

50µA Quiescent Supply Current

0.1µA Logic-Controlled Shutdown

2V to 5.5V Input Range

Fixed 1.5V, 1.8V, 2.5V, 3V, and 3.3V Output Voltages (MAX1921)

Adjustable Output Voltage (MAX1920)

±1.5% Initial Accuracy

Soft-Start Limits Startup Current

Part Models: 10
1ku List Price: Starting From $1.78

Documentation

Data Sheet 1

MAX1920-MAX1921: Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23 Data Sheet (Rev.3) 09/20/2005

Reliability Data 1

MAX1921 Reliability Data 01/12/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX1921EUT15+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT15+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT18+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT18+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT25+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT25+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT30+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT30+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT33+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX1921EUT33+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys