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MAX1823EUB+T from MAX,MAXIM - Dallas Semiconductor

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MAX1823EUB+T

Manufacturer: MAX

Dual USB Switch with Fault Blanking and Autoreset

Partnumber Manufacturer Quantity Availability
MAX1823EUB+T MAX 4300 In Stock

Description and Introduction

Dual USB Switch with Fault Blanking and Autoreset The MAX1823EUB+T is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual details about this component:

### **Manufacturer:**  
Maxim Integrated (now part of Analog Devices)  

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (3mm x 3mm)  

### **Descriptions:**  
The MAX1823EUB+T is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs. It integrates both high-side and low-side MOSFETs, reducing external component count. The device is suitable for battery-powered applications, portable electronics, and space-constrained systems.  

### **Features:**  
- **Integrated Synchronous Rectifier:** Improves efficiency and reduces external parts.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable performance under varying loads.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within input voltage limits.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual USB Switch with Fault Blanking and Autoreset

Alternative Part Number

  • TPS2041BDBVR --: Current-limited USB power switch in SOT-23-5 with similar current-limit and enable features, widely available and pin-compatible in function.
  • MIC2026-1YM --: Dual-channel USB power distribution switch with current limiting and thermal shutdown, suitable replacement for USB port power control.
  • AP2191DSG-13 --: Single-channel current-limited power switch with enable and fault flag, comparable to the MAX1823 function in a small package.

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