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MAX1694EUB from MAX,MAXIM - Dallas Semiconductor

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MAX1694EUB

Manufacturer: MAX, MAXIM, MAXIM

USB Current-Limited Switches with Fault Blanking

Partnumber Manufacturer Quantity Availability
MAX1694EUB MAX, MAXIM, MAXIM 863 In Stock

Description and Introduction

USB Current-Limited Switches with Fault Blanking The MAX1694EUB is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V (fixed or via external resistors)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 40µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (UMAX)  

### **Descriptions:**
- The MAX1694EUB is a synchronous step-down DC-DC converter optimized for high efficiency and low power consumption.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- Suitable for battery-powered and industrial applications requiring stable, low-noise power conversion.  

### **Features:**
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable performance under varying loads.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage approaches the output voltage.  
- **Soft-Start Function:** Limits inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device and load.  
- **Adjustable or Fixed Output Voltage:** Provides design flexibility.  

For detailed application notes and schematics, refer to Maxim Integrated's official datasheet.

Application Scenarios & Design Considerations

USB Current-Limited Switches with Fault Blanking

Alternative Part Number

  • TPS2041BDBVR --: 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 current-limited power distribution switch with comparable voltage range and thermal shutdown, suitable replacement for USB power control.
  • AP2191D --: Single-channel current-limited power switch in SOT-25 with similar load-switch behavior and overcurrent protection.
  • AP2191SG-13 --: Single-channel current-limited power switch with enable and fault flag, suitable as a functional replacement for USB power switching applications.

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