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MAX1044ESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1044ESA+T

Manufacturer: MAXIM

Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX1044ESA+T,MAX1044ESAT MAXIM 5000 In Stock

Description and Introduction

Switched-Capacitor Voltage Converters The MAX1044ESA+T is a charge pump DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1044ESA+T  
- **Package:** 8-SOIC (150mil)  
- **Type:** Switched Capacitor Voltage Converter  
- **Input Voltage Range:** 1.5V to 10V  
- **Output Voltage Options:**  
  - Positive (+2VIN, +VIN)  
  - Negative (-VIN, -2VIN)  
- **Output Current:** Up to 20mA  
- **Switching Frequency:** 10kHz (typical)  
- **Efficiency:** Up to 99%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1044ESA+T is a charge pump voltage converter that generates a regulated output voltage from an input supply without using inductors. It can invert, double, or halve the input voltage, making it suitable for applications requiring small, efficient power conversion.  

### **Features:**  
- No Inductors Required  
- Low Power Consumption (80µA typical)  
- Converts +5V to ±5V  
- Only Three External Capacitors Needed  
- Space-Saving SOIC Package  
- Pin-Compatible with ICL7660  

This information is sourced from Maxim Integrated's datasheet for the MAX1044ESA+T.

Application Scenarios & Design Considerations

Switched-Capacitor Voltage Converters

Alternative Part Number

  • ICL7660CSA+ --: Pin-compatible charge-pump voltage converter in the same 8-pin SO package with equivalent inverting/doubling function; widely available and a common drop-in for MAX1044 designs.
  • LTC1044CS8#PBF --: Direct functional equivalent charge-pump converter with matching pinout and SO-8 footprint, offering similar switching frequency and output current capability.
  • TC7660EOA --: Low-cost CMOS charge-pump voltage converter in SOIC-8 with comparable inverting and voltage-doubling performance, suitable as a second-source alternative.

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