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MAX1676EUB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1676EUB+

Manufacturer: MAXIM, MAIXM

High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX1676EUB+,MAX1676EUB MAXIM, MAIXM 4980 In Stock

Description and Introduction

High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters The MAX1676EUB+ is a step-up DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Part Number:** MAX1676EUB+  
- **Package:** 10-uMAX/uSOP  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2V to 5.5V (fixed 3.3V or 5V versions also available)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1676EUB+ is a high-efficiency, low-noise, step-up DC-DC converter designed for battery-powered applications. It integrates a power switch and can operate from very low input voltages (as low as 0.7V), making it suitable for single-cell or dual-cell battery systems. The device provides a regulated output voltage with minimal external components.  

### **Features:**  
- **Low-Voltage Operation:** Starts up with input voltages as low as 0.7V.  
- **Adjustable/Fixed Output:** Supports adjustable output (via external resistors) or preset 3.3V/5V versions.  
- **High Efficiency:** Up to 94% efficiency due to synchronous rectification.  
- **Low Quiescent Current:** 16µA (typical) in shutdown mode, extending battery life.  
- **Internal Power MOSFET:** Eliminates the need for an external switch.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Built-in to safeguard the device under fault conditions.  
- **Compact Package:** 10-pin uMAX/uSOP for space-constrained applications.  

This information is strictly based on manufacturer datasheets and technical documentation.

Application Scenarios & Design Considerations

High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters

Alternative Part Number

  • TPS61020DRCR --: Boost converter with integrated switch in a small package, similar input voltage range and output current capability, suitable as a functional replacement for the MAX1676 boost regulator.
  • LT1302CS8 --: Micropower boost DC-DC converter with comparable topology and voltage range, widely used as a cross for small Maxim boost regulators.
  • NCP1402SN50T1G --: Compact boost converter IC with fixed 5V output, low quiescent current, and similar application profile for battery-powered step-up designs.
  • LTC3525ESC6-3.3 --: Compact synchronous boost converter with fixed 3.3V output, comparable efficiency and package size for portable designs.
  • NCP1402SN33T1G --: Low-power boost converter with 3.3V output in a small package, a cost-effective alternative for light-load step-up regulation.

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