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MAX1817EUB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1817EUB+

Manufacturer: MAXIM

Compact, High-Efficiency, Dual-Output, Step-Up DC-DC Converter
Partnumber Manufacturer Quantity Availability
MAX1817EUB+,MAX1817EUB MAXIM 410 In Stock

Description and Introduction

Compact, High-Efficiency, Dual-Output, Step-Up DC-DC Converter The MAX1817EUB+ is a USB-compatible, step-down DC-DC converter manufactured by Maxim Integrated.  

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage:** Adjustable from 1.25V to 5.5V (fixed 3.3V or 5V versions available)  
- **Output Current:** Up to 500mA  
- **Efficiency:** Up to 96%  
- **Switching Frequency:** 500kHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (3mm x 5mm)  

### **Descriptions:**  
The MAX1817EUB+ is a high-efficiency, step-down DC-DC converter optimized for USB-powered applications. It integrates a low-resistance, high-side P-channel MOSFET switch and supports both fixed and adjustable output voltages.  

### **Features:**  
- **USB Compatible:** Works with USB power sources  
- **Low Dropout Operation:** Maintains regulation with inputs as low as 4V  
- **Soft-Start:** Reduces inrush current  
- **Thermal Shutdown:** Protects against overheating  
- **Undervoltage Lockout (UVLO):** Ensures proper operation  
- **Low Quiescent Current:** 80µA (typical)  

This device is commonly used in portable electronics, USB peripherals, and battery-powered applications.

Application Scenarios & Design Considerations

Compact, High-Efficiency, Dual-Output, Step-Up DC-DC Converter

Alternative Part Number

  • TPS61020DRCR --: Boost converter in the same class with integrated switch, similar input voltage range and output current, available in small DFN package; a common drop-in style replacement for MAX1817 boost applications.
  • LT1935ES5#PBF --: High-efficiency step-up DC-DC converter with comparable switching frequency and current capability, well-established alternative when a MAX1817 boost regulator is unavailable.
  • AP3012KTR-G1 --: Low-cost boost converter with similar boost topology and voltage range, suitable for space-constrained designs as a functional substitute for the MAX1817.

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