MAX38650

RECOMMENDED FOR NEW DESIGNS

Tiny 1.8V to 5.5V Input, 390nA I_Q, 100mA nanoPower Buck Converter with 100% Duty Cycle Operation

Industry’s Only High Efficiency, 100% Duty Cycle Buck with nanoPower

Data Sheet (Rev. 1)

Product Selection Table

Part Models: 2
1ku List Price: Starting From $0.87

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Part Details

Extends Battery Life

390nA Ultra-Low Quiescent Supply Current
5nA Shutdown Current
95% Peak Efficiency and over 85% at 10μA

Easy to Use—Addresses Popular Operation

1.8V to 5.5V Input Range
Single Resistor-Adjustable V_OUT from 1.2V to 3.3V (MAX38650A)
Preprogrammed V_OUT from 1.2V to 5V (MAX38650B) in steps of 50mV
100% Duty Cycle Mode for Low Dropout Operation
±1.5% Output Voltage Accuracy
100mA Load Current

Protects System in Multiple Use Cases

Reverse-Current Blocking in Shutdown
Active Discharge Feature

Reduces Size and Increases Reliability

-40°C to +125°C Operating Temperature Range
1.58mm x 0.89mm, 0.4mm Pitch, 6-Pin (2 x 3) WLP

Part Models: 2
1ku List Price: Starting From $0.87

Documentation

Data Sheet 1

MAX38650: Tiny 1.8V to 5.5V Input, 390nA I_Q, 100mA nanoPower Buck Converter with 100% Duty Cycle Operation Data Sheet (Rev.1) 05/18/2021
- Open Interactive Page

Technical Articles 1

Why a Voltage Converter Can Help Improve Battery Power Efficiency and Life 08/14/2023

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
MAX38650AANT+	6-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX38650AANT+T	6-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

Start EE-Sim Now

Evaluation Kits

Evaluation Kit for the MAX38650

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Features and Benefits

Evaluates the MAX38650A IC in a (1.58mm x 0.89mm, 0.4mm Pitch) 6-Pin WLP Package
1.8V to 5.5V Input Range
1.2V to 3.3V Configurable Output Voltage
Up to 100mA Output Current
Proven 2-Layer 1oz Copper PCB Layout
Demonstrates Compact Solution Size
Fully Assembled and Tested

Product Details

The MAX38650A WLP evaluation kit (EV kit) evaluates the MAX38650A IC in a WLP package. The MAX38650A is an ultra-low quiescent current step-down DC-DC converter. The EV kit operates from an input range of 1.8V to 5.5V and provides resistor-configurable output voltages from 1.2V to 3.3V. The EV kit delivers up to 100mA of current. The EV kit comes with the MAX38650AANT+ installed.

Applications

Low-Voltage Industrial Applications
Portable Space-Constrained Consumer Products
Single Li-ion and Coin Cell Battery Products
Wearable Devices, Ultra-Low-Power IoT, NB IoT, and Bluetooth Low Energy (BLE)
Wired, Wireless, Industrial Products

Resources

MAX38650AEVK-WLP Bill of Materials - Design Files
39.14K

MAX38650AEVK-WLP ODB Files - Design Files
797.64 K

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