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MAX1044CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX1044CSA

Manufacturer: MAXIM

Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX1044CSA MAXIM 2432 In Stock

Description and Introduction

Switched-Capacitor Voltage Converters The MAX1044CSA is a charge-pump voltage converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX1044CSA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Input Voltage Range:** 1.5V to 10V  
- **Output Voltage:** Positive or negative voltage conversion (e.g., +5V to -5V)  
- **Output Current:** Up to 10mA (typical)  
- **Switching Frequency:** ~10kHz (internal oscillator)  
- **Efficiency:** Up to 99% (depending on load and configuration)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial grade)  
- **Pin Count:** 8  
- **Function:** Voltage inverter, doubler, or splitter  

### **Description:**  
The MAX1044CSA is a charge-pump DC-DC converter that generates a negative voltage from a positive input or doubles the input voltage. It does not require an inductor, making it suitable for compact designs. It is commonly used in applications requiring a small negative supply rail or voltage doubling.  

### **Features:**  
- **No Inductor Required** – Uses only external capacitors for operation.  
- **Low Power Consumption** – Ideal for battery-powered applications.  
- **Voltage Inversion or Doubling** – Configurable for different output needs.  
- **Internal Oscillator** – Eliminates the need for an external clock.  
- **Wide Input Voltage Range** – Supports 1.5V to 10V inputs.  
- **Low External Component Count** – Requires only two or three capacitors.  
- **Space-Saving SOIC Package** – Suitable for PCB-constrained designs.  

This information is based on the manufacturer's datasheet and technical documentation. For exact performance characteristics, refer to the official MAX1044CSA datasheet.

Application Scenarios & Design Considerations

Switched-Capacitor Voltage Converters

Alternative Part Number

  • ICL7660CSA --: Industry-standard pin-compatible charge-pump voltage inverter in the same 8-pin SOIC package with equivalent inverting and voltage-doubling function.
  • LTC1044CS8 --: Direct functional equivalent charge-pump inverter with similar switching frequency and 8-pin SOIC footprint, widely used as a MAX1044 substitute.
  • TC7660COA --: Low-cost CMOS charge-pump voltage converter offering the same inversion/doubling capability in an 8-pin SOIC package.
  • ICL7660CPA --: Industry-standard pin-compatible charge-pump voltage converter in the same 8-pin DIP/SOIC family, widely available and functionally equivalent to the MAX1044.
  • LTC1044CN8 --: Direct functional equivalent charge-pump inverter with similar input range and pinout, from a different series and manufacturer for easy distinction.
  • TC7660CPA --: Low-cost pin-compatible CMOS charge-pump voltage converter offering comparable performance and a clearly different naming prefix.

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