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MAX4766BETA+
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Product Detailed Parameters
- Description：PROG CURRENT-LIMIT 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：N-Channel
- Interface：On/Off
- Voltage - Load：2.25V ~ 4.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1.5A
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Adjustable), Over Temperature, Reverse Current, Short Circuit, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-TDFN-EP (3x3)
- Package / Case：8-WDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The MAX4766BETA+ is a latch-off programmable current-limit switch designed for power-path protection in portable systems operating between 2.25V and 4.5V. It features an adjustable soft-start function to control output-voltage rise time, reducing stress on the power supply. The current limit is resistor-settable from 0.075A to 1.5A. The device includes comprehensive fault protection mechanisms such as over-temperature, reverse current, short circuit, and under-voltage lockout (UVLO). It operates within a temperature range of -40°C to 85°C.
Feature Summary
- Resistor-programmable current limiting with adjustable soft-start functionality
- Integrated protection against over-temperature, reverse current, and short circuits
- Status flag output indicating operational state or fault conditions
Applications
- Power-path protection in portable electronic devices
- Industrial networking applications requiring stable power delivery
- Embedded communication systems
Procurement Notes
Verify that the specific suffix 'BETA+' corresponds to the required package type and temperature rating. Confirm that the latch-off behavior aligns with system reset requirements. Ensure the external programming resistor values fall within the specified range to achieve the desired current limit. Check for any specific handling instructions related to the exposed pad package.
Selection Notes
Select this component when a latch-off response is preferred over auto-retry for fault conditions. Consider the resistor-settable current range and soft-start timing requirements. Evaluate the need for status flag monitoring in the system design. Ensure the input voltage range matches the application's power source specifications.
Part Context
This part belongs to the MAX4766 family of programmable current-limit switches. Variants such as MAX4766AETA and MAX4766CETA share similar core functionalities but may differ in package options or specific electrical characteristics. The MAX4766 series is designed for robust power management in low-voltage applications.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
