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DS4550E from MAXIM,MAXIM - Dallas Semiconductor

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DS4550E

Manufacturer: MAXIM

2.7 to 5.5 V, I2C and JTAG nonvolatile 9-bit I/O expander plus memory

Partnumber Manufacturer Quantity Availability
DS4550E MAXIM 1500 In Stock

Description and Introduction

2.7 to 5.5 V, I2C and JTAG nonvolatile 9-bit I/O expander plus memory The DS4550E is a USB power switch manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:  

- **Input Voltage Range:** 4V to 5.5V (USB-compatible)  
- **Continuous Load Current:** Up to 500mA  
- **On-Resistance (RDS(ON)):** 70mΩ (typical)  
- **Overcurrent Protection:** Adjustable (default 500mA)  
- **Thermal Shutdown:** Yes  
- **Fault Reporting:** Open-drain flag output  
- **Enable Control:** Active-high logic input  
- **Package:** 6-pin SOT23  
- **Operating Temperature Range:** -40°C to +85°C  

The device is designed for USB power management with protection features. For exact details, refer to the official datasheet.

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