Manufacturer Part Number
MAX891LEUA+
Manufacturer
Analog Devices
Introduction
The MAX891LEUA+ is a power management integrated circuit designed for power distribution and load driving applications.
Product Features and Performance
General-purpose power distribution switch
Single output high-side P-channel MOSFET
On/Off interface control
Status flag feature for monitoring
Integrated current limiting and over-temperature fault protection
Efficient operation with 120mOhm typical Rds On resistance
Non-inverting input
Operates over a wide input voltage range from 2.7V to 5.5V
Product Advantages
High integration reduces external component count
Low quiescent current enhances power efficiency
Compact 8-uMAX/uSOP package saves board space
Built-in fault protection improves system reliability
The high-side switch design allows for easy power routing
Key Technical Parameters
Number of Outputs: 1
Input:Output Ratio: 1:1
Voltage Load: 2.7V ~ 5.5V
Current Output (Max): 500mA
Rds On (Typ): 120mOhm
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
Adjustable current limiting protection
Over-temperature protection
Compatibility
Compatible with various microcontroller interfaces due to its On/Off control
Can be used with single-supply voltages in the specified range
Application Areas
Portable electronics
Battery-powered devices
Smartphones and tablets
Industrial controls
Consumer electronics
Product Lifecycle
Currently in active production
Not reported as nearing discontinuation
Possible future availability of replacements or upgrades
Several Key Reasons to Choose This Product
Highly reliable due to integrated protective features
Supports a wide range of supply voltages, making it versatile for various applications
Low Rds On ensures minimal voltage drop and power loss
Compact package suitable for space-constrained applications
Backed by the reputation and support of Analog Devices