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MAX771ESA from MAX,MAXIM - Dallas Semiconductor

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MAX771ESA

Manufacturer: MAX, MAXIM

5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers

Partnumber Manufacturer Quantity Availability
MAX771ESA MAX, MAXIM 316 In Stock

Description and Introduction

5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers The MAX771ESA is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

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

### **Descriptions:**  
The MAX771ESA is a low-power, high-efficiency DC-DC converter designed for battery-powered applications. It features an internal 0.5A N-channel MOSFET switch and operates with input voltages as low as 0.7V, making it suitable for single-cell or two-cell battery systems. The output voltage is adjustable using external resistors.  

### **Features:**  
- **Low-Voltage Operation:** Starts with inputs as low as 0.7V.  
- **High Efficiency:** Up to 94% conversion efficiency.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** 110µA typical.  
- **Internal MOSFET Switch:** Simplifies design and reduces external components.  
- **Shutdown Mode:** Reduces current consumption to <1µA.  
- **Thermal Overload Protection:** Prevents damage from excessive heat.  

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

Application Scenarios & Design Considerations

5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers

Alternative Part Number

  • LT1170CT --: High-efficiency switching regulator in the same class, widely used as a drop-in functional substitute for MAX771 boost applications.
  • MC34063A --: Versatile DC-DC switching regulator controller covering boost, buck, and inverting topologies, a common low-cost alternative for MAX771 designs.
  • LM2577T-ADJ --: Adjustable step-up switching regulator with comparable current capability and pin-compatible style, suitable as a functional replacement.
  • LT1107CS8 --: Pin-compatible boost/inverting switching regulator in SO-8 with similar input voltage range and current capability, widely used as a MAX771 substitute.
  • LM2577S-ADJ --: Adjustable step-up switching regulator in a similar package with comparable switching frequency and output capability.

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