MAX891LEUA

$1.74

Description：HIGH-SIDE P-CH SWITCH
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Bulk

SKU:7d31efab14ea Category: Power Distribution Switches, Load Drivers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：HIGH-SIDE P-CH SWITCH
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Bulk
Switch Type：General Purpose
Number of Outputs：1
Ratio - Input:Output：1:01
Output Configuration：High Side
Output Type：P-Channel
Interface：On/Off
Voltage - Load：2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd)：Not Required
Current - Output (Max)：500mA
Rds On (Typ)：120mOhm
Input Type：Non-Inverting
Features：Status Flag
Fault Protection：Current Limiting (Adjustable), Over Temperature, Short Circuit, UVLO
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：8-µMAX
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Grade：-
Qualification：-

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MAX891LEUA

Overview

The MAX891LEUA+ is a smart, low-voltage P-channel MOSFET power switch designed for high-side load-switching applications. It operates with a load voltage range of 2.7V to 5.5V and supports a maximum output current of 500mA. The device features an adjustable current limit and overtemperature protection. It utilizes a non-inverting On/Off interface and does not require a separate supply voltage. The component is housed in an 8-UMAX (USOP) surface-mount package.

Feature Summary

Integrated adjustable current limiting for circuit protection
Built-in overtemperature shutdown capability
Non-inverting logic interface for simple control
No external supply voltage required for operation

Applications

High-side load switching in portable electronics
Power distribution in battery-powered devices
Load management in mobile communication equipment

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure the component matches the required operating temperature range of -40°C to +85°C. Confirm that the non-inverting interface aligns with the system control logic. Check for any obsolete status or lifecycle changes before finalizing procurement plans.

Selection Notes

Select this component when a high-side P-channel switch with integrated protection is required for loads up to 500mA. It is suitable for systems operating between 2.7V and 5.5V where space is constrained due to its small 8-UMAX footprint. Consider the adjustable current limit if precise fault protection thresholds are needed without external sensing components.

Part Context

The MAX891L/MAX892L series represents smart power switches from Maxim Integrated, now part of Analog Devices. These devices integrate a P-channel MOSFET with control logic and protection circuits. The MAX891LEUA+ specifically denotes the lead-free version in the USOP package, intended for compact consumer and industrial applications requiring reliable power management.