MAX38909

RECOMMENDED FOR NEW DESIGNS

2A High-Performance nMOS LDO Linear Regulator

Fast Transient Response, High PSRR NMOS Linear Regulators that Deliver up to 2A Load Current

Data Sheet (Rev. 1)

Product Selection Table

Part Models: 4
1ku List Price: Starting From $1.29

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Part Details

Delivers Flexible Operating Range
- 0.9V to 5.5V Input Voltage Range
- 2.7V to 20V BIAS Voltage Range
- 0.6V to 5.0V Programmable Output Voltage
- 2A Maximum Output Current
- 27mV Dropout at 2A Load Current
- 1.6mA Operating BIAS Supply Current
Reduces Noise and Improves Accuracy
- ±1% DC Accuracy Over Load, Line, and Temperature
- 15mV 2A Load Transient Excursion
- 52dB IN PSRR at 10kHz at 300mV Input-to-Output Headroom
Enables Ease-of-Use and Robust Protection
- Stable with 10µF (Minimum) Output Capacitance
- Programmable Soft-Start Rate
- Overcurrent and Overtemperature Protection
- Output-to-Input Reverse Current Protection
- Power-OK Status Pin
Reduces Size, Improves Reliability
- 14-Pin (3mm x 3mm) TDFN and 5 x 3 Bump, 0.4mm Pitch WLP Packages
- -40°C to +125°C Operating Temperature

Part Models: 4
1ku List Price: Starting From $1.29

Documentation

Data Sheet 1

MAX38909: 2A High-Performance nMOS LDO Linear Regulator Data Sheet (Rev.1) 01/05/2021
- Open Interactive Page

Design Note 1

LDO Linear Regulators Paralleling with MAX38908 for High Current Applications 05/05/2022

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
MAX38909ANL+	15-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX38909ANL+T	15-WLCSP-N/A	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX38909ATD+	Thin Dual Flatpack No Leads	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX38909ATD+T	Thin Dual Flatpack No Leads	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jan 20, 2021 - 2102 DESIGN
		pcn_2102
MAX38909ANL+	PRODUCTION
MAX38909ATD+	PRODUCTION
Apr 27, 2024 - 2400 ASSEMBLY
		pcn_2400
MAX38909ATD+	PRODUCTION
MAX38909ATD+T	PRODUCTION
Apr 23, 2024 - 2419N ASSEMBLY
		pcn_2419n
MAX38909ATD+	PRODUCTION
MAX38909ATD+T	PRODUCTION

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

Evaluation Kits

Evaluation Kit for the MAX38909

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Features and Benefits

Evaluates the MAX38909 IC in a 14-pin (3mm x 3mm) TDFN
0.9V to 5.5V Input Range
2.7V to 20V Bias Voltage to Provide Wider Supply Options
0.6V to 5.0V Resistor Configurable Output Voltage (Default Output Set to 1V)
Up to 2A Output Current
Proven 4-Layer 1-oz Copper PCB Layout
Demonstrates Compact Solution Size
Fully Assembled and Tested

Product Details

The MAX38909 TDFN evaluation kit (EV kit) evaluates the MAX38909 in a TDFN package. The MAX38909 is a low input voltage, high output current linear regulator. The EV kit operates over an input range of 0.9V to 5.5V and a bias voltage range from 2.7V to 20V. The EV kit provides a resistor configurable output voltage range from 0.6V to 5.0V. The EV kit can deliver up to 2A of current.

Applications

Base Stations
FPGAs and DSPs
Medical, Audio, and Instrumentation
PLCs
Portable Cameras
Server μPs

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