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MAX756CPA from MAXI,MAXIM - Dallas Semiconductor

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MAX756CPA

Manufacturer: MAXI, MAX, MAXIM,MAXIM, DIP

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX756CPA MAXI, MAX, MAXIM,MAXIM, DIP 25225 In Stock

Description and Introduction

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters The MAX756CPA is a step-up DC-DC switching regulator manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Options:** 3.3V or 5V (selectable)  
- **Output Current:** Up to 200mA (for 3.3V output), 150mA (for 5V output)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 87%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin PDIP (Plastic Dual In-line Package)  
- **Low Battery Detection:** Adjustable threshold  

### **Descriptions:**  
The MAX756CPA is a CMOS, step-up DC-DC converter designed for low-input voltage applications. It is commonly used in battery-powered systems where boosting a low voltage (e.g., from a single-cell battery) to a stable 3.3V or 5V output is required.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V input.  
- **Selectable Output:** 3.3V or 5V (via pin configuration).  
- **Low Quiescent Current:** 60µA (typical).  
- **Internal MOSFET Switch:** Eliminates the need for an external power switch.  
- **Battery Low-Indicator:** Provides an open-drain output for low-battery detection.  
- **Compact Design:** Requires minimal external components.  
- **Over-Temperature Protection:** Safeguards against overheating.  

This information is sourced from the MAXIM datasheet for the MAX756CPA.

Application Scenarios & Design Considerations

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

Alternative Part Number

  • LT1073CN8 --: Step-up DC-DC converter in 8-pin DIP with similar boost regulator function and wide input range, a common cross for MAX756 designs.
  • MC34063AP --: Versatile DC-DC switching regulator in DIP-8 that can be configured as a boost converter, widely available and cost-effective substitute.
  • LM2577N-ADJ --: Adjustable step-up switching regulator in DIP package with higher current capability, suitable when layout allows a slightly different pinout.
  • MC34063ACP --: Versatile DC-DC switching regulator in 8-pin DIP that can be configured as a boost converter, low cost and widely available.
  • LTC3525ESC6-3.3 --: Low-voltage step-up DC-DC converter in a small SC70 package, functionally similar boost regulator suitable for 3.3V output applications.
  • TPS61070DDCR --: High-efficiency synchronous boost converter with adjustable output, commonly used as a drop-in functional replacement for MAX756-class boost regulators.
  • NCP1402SN33T1G --: Fixed 3.3V micropower boost converter in SOT-23, offering comparable input range and output current for portable step-up designs.
  • MC34063AP1 --: Versatile 8-pin DIP switching regulator that can be configured as a boost converter, low cost and broadly available alternative.

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