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MAX1673ESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1673ESA+T

Manufacturer: MAXIM, MAIM

Regulated, 125mA Output, Charge Pump DC-DC Inverter

Partnumber Manufacturer Quantity Availability
MAX1673ESA+T,MAX1673ESAT MAXIM, MAIM 7285 In Stock

Description and Introduction

Regulated, 125mA Output, Charge Pump DC-DC Inverter The MAX1673ESA+T is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1673ESA+T  
- **Package:** 8-SOIC (150mil)  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (2V to 5.5V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1673ESA+T is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal 0.2Ω N-channel MOSFET switch and requires minimal external components. The device is optimized for low-input-voltage operation, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage (2V to 5.5V)**  
- **Internal 0.2Ω N-Channel MOSFET Switch**  
- **High Efficiency (Up to 94%)**  
- **Low Shutdown Current (<1µA)**  
- **500kHz Switching Frequency**  
- **Small 8-SOIC Package**  
- **No Schottky Diode Required for Most Applications**  

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

Application Scenarios & Design Considerations

Regulated, 125mA Output, Charge Pump DC-DC Inverter

Alternative Part Number

  • LT1054CS8#PBF --: Pin-compatible switched-capacitor voltage converter in SO-8 with similar inverting/regulating function; widely available and a common drop-in substitute for MAX1673 designs.
  • ICL7660ACPA --: Classic charge-pump voltage inverter with comparable input range and current capability; through-hole DIP package suits prototyping and legacy replacements.
  • TC7660EOA --: Low-cost CMOS charge-pump inverter in SO-8 offering similar negative-voltage conversion; good second-source option when exact MAX1673 features are not critical.
  • LTC1515CS8-3.3#PBF --: Pin-compatible boost converter in an 8-pin SOIC package with similar input voltage range and output current, widely available and a common drop-in substitute.
  • TPS61020DRCR --: Boost converter with comparable switching frequency and current capability, offered in a small package and well supported for new designs.
  • NCP1402SN33T1G --: Low-power boost converter with similar topology and voltage range, suitable as a cost-effective alternative when exact pinout matching is not required.

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