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MAX1823AEUB from MAXIM,MAXIM - Dallas Semiconductor

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MAX1823AEUB

Manufacturer: MAXIM, MAX

4 V to 5.5 V, dual USB switch with fault blanking and autoreset

Partnumber Manufacturer Quantity Availability
MAX1823AEUB MAXIM, MAX 5781 In Stock

Description and Introduction

4 V to 5.5 V, dual USB switch with fault blanking and autoreset The MAX1823AEUB is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:** Maxim Integrated  
### **Part Number:** MAX1823AEUB  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX® (3mm x 5mm)  

### **Descriptions:**  
- The MAX1823AEUB is a synchronous step-down DC-DC converter optimized for high efficiency and compact size.  
- It integrates both high-side and low-side MOSFETs to minimize external components.  
- Suitable for battery-powered applications due to its low quiescent current (30µA typical).  
- Features pulse-width modulation (PWM) operation for stable performance across load conditions.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with integrated synchronous rectification.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Low Quiescent Current:** 30µA (typical) for improved battery life.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Small Footprint:** 10-pin µMAX package saves board space.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4 V to 5.5 V, dual USB switch with fault blanking and autoreset

Alternative Part Number

  • TPS2051BDBVR --: Current-limited USB power switch in SOT-23-5 with similar current-limit and enable functionality, widely available and pin-compatible in function.
  • MIC2026-1YM --: Dual-channel USB power distribution switch with current limiting and thermal shutdown, suitable functional replacement for the MAX1823 dual switch.
  • AP2191SG-13 --: Single-channel current-limited power switch with enable and fault flag, low-cost alternative covering the core switching and protection functions.
  • TPS2061D --: Current-limited power distribution switch in a similar small package, functionally comparable to the MAX1823 dual USB switch.
  • AP2191D --: Single-channel current-limited power switch with comparable specifications, usable where channel count is not critical.
  • TPS2041BDBVR --: Current-limited USB power switch in SOT-23-5 with similar current-limit and enable features, widely available and pin-function compatible for many MAX1823 designs.

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