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MAX756CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX756CSA

Manufacturer: MAXIM, MAXIN, MAX

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

Partnumber Manufacturer Quantity Availability
MAX756CSA MAXIM, MAXIN, MAX 4054 In Stock

Description and Introduction

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters The MAX756CSA is a step-up DC-DC switching regulator manufactured by Maxim Integrated (now part of Analog Devices). Below are its factual specifications, descriptions, and features:

### **Manufacturer:**  
- Maxim Integrated (Analog Devices)

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Options:** 3.3V or 5V (adjustable via external resistors)  
- **Maximum Output Current:** 200mA (for 5V output), 300mA (for 3.3V output)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 87%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Low Battery Detection:** Yes (adjustable threshold)  
- **Quiescent Current:** 110µA (typical)  

### **Descriptions:**  
- The MAX756CSA is a low-power, step-up DC-DC converter designed for battery-powered applications.  
- It can boost very low input voltages (as low as 0.7V) to regulated 3.3V or 5V outputs.  
- It includes an internal N-channel MOSFET switch for high efficiency.  
- Suitable for portable devices, handheld instruments, and low-voltage power supplies.  

### **Features:**  
- **Wide Input Voltage Range:** Operates from 0.7V to 5.5V.  
- **Adjustable Output Voltage:** Can be set to 3.3V, 5V, or other values via external resistors.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Internal MOSFET Switch:** Eliminates the need for an external switch.  
- **Low Battery Detection:** Helps monitor battery status.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Small Footprint:** 8-pin SOIC package for space-constrained designs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LT1073CS8 --: Pin-compatible step-up DC-DC converter in SO-8 with similar boost topology and input range, widely used as a MAX756 substitute.
  • MC34063ACD --: Versatile general-purpose DC-DC switching regulator in SO-8 that can be configured as a boost converter covering the MAX756 application range.
  • TPS61020DRB --: Modern boost converter with integrated switch and comparable input/output capability, suitable as a functional replacement with minor layout changes.
  • LTC3525ESC6-3.3 --: Pin-compatible boost converter family with similar input range and fixed 3.3V output; widely available and a common drop-in for MAX756 designs.
  • TPS61070DDCR --: High-efficiency synchronous boost converter in SOT-23 with comparable input voltage and current capability, suitable replacement for low-power step-up applications.
  • NCP1402SN33T1G --: Low-cost 3.3V boost converter in SOT-23 with similar switching frequency and load range, offering a cost-effective alternative for MAX756 circuits.

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